Yet Another Cycling Forum
General Category => The Knowledge => OT Knowledge => Topic started by: Wowbagger on 27 December, 2010, 03:13:43 pm
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Southend-on-Sea,Essex Weather (http://tickfield.thewalkers.org.uk/)
My weather station is now broadcasting to the world. Clicky above for what the weather's like at my house.
Dez is still in the process of tweaking the software. This is free linux-based stuff and was (apparently) written by weather geeks rather than people who know about writing stuff for linux systems. Therefore Dez is doing stuff to improve it.
At the time of the first post, there is a map being displayed on the first screen which shows weather radar broadcast from Fort Worth, Texas. I don't suppose we can find an equivalent based on Southend. It would be nice to be able to get some images of the Thames estuary though.
If you click on the links to the last 7 / 28 / 365 days the graph shows that the highest outside temperature we have recorded was 18.9°C. This was because we put the unit outside and connected it up straight after it had been at room temperature and it registered some data before it had cooled down to the -2°C or whatever it was outside on 22nd December when it was delivered.
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Humid. Apparently.
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Ho yus, definitely high humidity. That's why the washing doesn't get dry when you hang it on the line, Fatters. Either that or you've spilt your Stella on it.
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Where's yer anemometer mounted?
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Where's yer anemometer mounted?
Don't be personal.
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What make/model of weather station is it? I'm thinking about getting one.
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Oh, that. Not high enough, sadly. Ideally it would be on the eves at the top of the house. It's actually on the granny annexe.
ICBA to pay an aerial installer to put it in the right place. Depends how long we stay here - we have a sort-of plan to move out of Saarfend.
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What make/model of weather station is it? I'm thinking about getting one.
One of these.
http://www.davisnet.com/weather/products/vantagepro.asp
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Luckily we don't have anywhere sensible to mount an anemometer (or at least that would give realistic readings if we did), so I'm able to resist my weather station lust for the most part.
On the other hand, I do have a bag of 1-wire temperature sensors on my desk, and may well get round to mounting one a decent distance from the house and away from direct sunlight[1] at some point. Having done that it would be silly not to make the most of it and add humidity and pressure sensors, and maybe even a rain gauge...
[1] I currently have an analogue thing sticking out on the end of a wire a few inches from an upstairs window sill, which reads a bit high in the cold, and very high if its sunny in the early afternoon. Makes some pretty graphs though.
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On the other hand, I do have a bag of 1-wire temperature sensors on my desk, and may well get round to mounting one a decent distance from the house and away from direct sunlight[1] at some point. Having done that it would be silly not to make the most of it and add humidity and pressure sensors, and maybe even a rain gauge...
All you need to add is seaweed and pine cones. :thumbsup:
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I'm very impressed with the rain gauge in the above beast. The collector has a hole at the bottom and the rain drips through onto what looks like a miniature double scoop which is on a pivot. For each 0.2mm of rain that falls, one side of the scoop fills and topples, emptying itself and putting the opposite side of the scoop under the water source. The toppling movement activates a reed switch and the rain is recorded at the console.
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Why does the gif image, lower left corner, link to Fort Worth, Texas?
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What make/model of weather station is it? I'm thinking about getting one.
One of these.
Wireless & Cabled Professional & Home Weather Stations by Davis (http://www.davisnet.com/weather/products/vantagepro.asp)
Looks good, but about £500? Its a bit more than I'm looking to spend.
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Nice one :thumbsup:
Looks good
How often does it update itself ?
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Why does the gif image, lower left corner, link to Fort Worth, Texas?
Because Dez is still working on finding an alternative. Texas is the default state.
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On the other hand, I do have a bag of 1-wire temperature sensors on my desk, and may well get round to mounting one a decent distance from the house and away from direct sunlight[1] at some point. Having done that it would be silly not to make the most of it and add humidity and pressure sensors, and maybe even a rain gauge...
I do like those 1-wire sensors. Very easy to play with, even for an electronics numpty like me..
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I currently have an analogue thing sticking out on the end of a wire a few inches from an upstairs window sill, which reads a bit high in the cold, and very high if its sunny in the early afternoon. Makes some pretty graphs though.
I don't know what this analogue thing you have is, but I doubt it reads as high as the good old mercury-in-a-tube thermometer I had outside a flat I used to live in. When the sun shone on that, even just a spring sun, it shot up to 40C.
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I don't know what this analogue thing you have is, but I doubt it reads as high as the good old mercury-in-a-tube thermometer I had outside a flat I used to live in. When the sun shone on that, even just a spring sun, it shot up to 40C.
LM335 (or one of the others in the same series, it's been a while) wrapped in a couple of layers of heatshrink, connected to some slightly dubious 8-bit sampling electronics that maxes out in the mid-40s in the interests of resolution in the room temperature range. So bugger all thermal mass and a nice black surface to absorb as much radiant heat as possible. Utterly useless when the sun's shining on it.
It was a bonus extra sensor I added to a system that was designed for controlling the central heating and a couple of fans in the cupboard our servers used to live in, not really for collecting weather data.
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WB why have you suddenly decided to place yourself in front of the intergalactic mega computers that continually get our forecast wrong? What drove you to 'must install a weather station'? Rendelsham forest is far enough away to not be a factor.
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WB why have you suddenly decided to place yourself in front of the intergalactic mega computers that continually get our forecast wrong? What drove you to 'must install a weather station'? Rendelsham forest is far enough away to not be a factor.
I don't think my interest in recording weather is sudden. I started in 1968 with a max/min thermometer, the family's old barometer and a rain gauge made out of a baked bean tin.
I like to know what's going on. It helps assuage my OCD, which is currently frustrated at not seeing a cycle computer measuring the miles ticking past.
I don't care about forecasting. Like Christopher Robin, I don't care what it does as long as I'm out in it.
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I used to submit the reports for the Met office surface station at Inverpolly
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I don't know what this analogue thing you have is, but I doubt it reads as high as the good old mercury-in-a-tube thermometer I had outside a flat I used to live in. When the sun shone on that, even just a spring sun, it shot up to 40C.
LM335 (or one of the others in the same series, it's been a while) wrapped in a couple of layers of heatshrink, connected to some slightly dubious 8-bit sampling electronics that maxes out in the mid-40s in the interests of resolution in the room temperature range. So bugger all thermal mass and a nice black surface to absorb as much radiant heat as possible. Utterly useless when the sun's shining on it.
It was a bonus extra sensor I added to a system that was designed for controlling the central heating and a couple of fans in the cupboard our servers used to live in, not really for collecting weather data.
Thanks for the reply, I've highlighted the parts I understand. ;D
Now, do you think you could help me program my Betamax video recorder?
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It's curious that the weather station software seems to think that 3.7mm rain has fallen since we rigged it up. I don't know how it's managed that, given that it only records 0.2mm at a time.
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The free software is still doing its stuff.
Southend-on-Sea,Essex Weather (http://tickfield.thewalkers.org.uk/)
We've had a lot of rain today (the wettest day since records began, just over a fortnight ago!) and the curious rounding error, which takes place between the console and the knackered old laptop which is driving the website, seems to correct itself every whole mm that has fallen.
Still no SD card for the sheeva plug. That should arrive in a day or two.
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Do let me know how you get on with the sheeva plug. I am very tempted.
..d
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I used to submit the reports for the Met office surface station at Inverpolly
Was that at Drumrunie Corner?
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The console was displaying a rain rate at 37mm per hour and it flashed up the helpful little message "It's raining cats and dogs". It's dropped back to 9mm per hour now.
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The console was displaying a rain rate at 37mm per hour and it flashed up the helpful little message "It's raining cats and dogs". It's dropped back to 9mm per hour now.
"puppies and kittens"?
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Maximum temperature of 10.4°C today. First time over 10° since November.
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Maximum temperature of 10.4°C today. First time over 10° since November.
You lucky Essex bastards.
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Maximum temperature of 10.4°C today. First time over 10° since November.
You lucky Essex bastards.
Not really! I threw a good handful of manure, ripening nicely, over the sensors. ::-)
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Manure? Luxury!
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Maximum temperature of 10.4°C today. First time over 10° since November.
Your nice warm air arrived here in Leicestershire after dark. It was 1-2°C for most of the day then 7-8°C overnight. As the sun came up this morning the temperature started dropping again and is currently 4°C (ish).
At one point last night I was trying to decide how much clothing to wear for the Friday night pub ride. The so-called Wundermap (http://www.wunderground.com/wundermap/?lat=52.74793&lon=-1.26068&zoom=10&type=map) was showing 6°C locally, 10 miles south was 8°C and 10 miles north was 3°C. We had a relatively warm and very pleasant evening but I was surprised at how clear the skies were after the front had gone through - not the usual clag.
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Dez has wasted several days trying to get the sheeva plug to write data to an 8gb SD card. No matter what he tried, it just didn't seem to work. He's now hooked it up to a 60Gb hard disc (formerly of my old Ibook) and it's running off that. He's just putting the finishing touches to the configuration and it will be available to the whole world again.
No doubt he will be along eventually to explain (if he knows) why the SD card was so reluctant to converse with the sheeva plug. It spoke to his laptop OK.
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A positively balmy 11.5°C here today, the warmest this year.
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I hope Jodrell know you are up to this WB. They will get jealous if you move to the next phase.
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Saarfend seems to be heading for its first air frost of 2011. 0.9°C here at the moment. Shoeburyness recorded 0.6°C at 9 p.m.
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Our minimum was 0.4°C! I don't know if Shoebury crept beliow zero but by 2 a.m. it was cloudy and the temperature was on the rise. It certainly hadn't when i went to bed at about 12.30.
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The Wunderground feed from 'Southchurch' (http://www.wunderground.com/weatherstation/WXDailyHistory.asp?ID=ISOUTHEN6&day=22&year=2011&month=1) hit -0.1 °C from 00:50 to 01:20 this morning.
Happy now ?
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We recorded -0.3 at 2.46 this morning. First frost of the year! Mind you, the temperature was only below freezing for about an hour.
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16.2°C here this afternoon - highest temperature of the year so far.
This (http://www.wunderground.com/weatherstation/WXDailyHistory.asp?ID=ISOUTHEN6&month=3&day=21&year=2011) site, less than 2 miles from our place, recorded 18.8°. The nearest oficial site, Shoeburyness latest weather - Met Office (http://www.metoffice.gov.uk/weather/uk/ee/shoeburyness_latest_weather.html), about 4 miles from us, recorded 13.2°. However, the official site is right on the coast and would have been far more affected by the SE breeze.
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I am struck by how different temperature recordings are at different points round my house and outbuildings.
The North face of the house can be 6° warmer than the outhouses by night and 6° cooler by day, even in the shade..
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I notice that the highest temperature recorded by the Met Office in the eastrn Region today was about a degree lower than our station recorded.
I suspect that the proximity to the south-facing wall of our house must have been responsible for this. I'm pretty suspicious of the 18.8° recorded in Southchurch. The afternoon just didn't feel that warm.
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Maximum temperature of 24.1°C according to our weather station. That puts it about 4° above Shoebury. Certainly the warmest day we've recorded this year.
Weather Station History : Weather Underground (http://www.wunderground.com/weatherstation/WXDailyHistory.asp?ID=ISOUTHEN6&day=21&year=2011&month=3&graphspan=day), only a mile or two from us, shows a current temp of 25.5 and a daily max of 27.1. I'm sure that's much too high.
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25°C here today. The average maximum for the month is now 18.8°C, which so far puts this April close to the average for June. The nights have generally been cooler than you'd expect for June, but even then the lowest I've recorded is 5.5°C. I've known Aprils since we lived here with inches of snow and minimum temps of about -6°C. When we did the Solstice Warty last June the temperature dropped to about 3°C where we were, on Salisbury Plain. It was bitter.
The Met Office gave the maximum in East England as 25.4, in Santon Downham, Norfolk. Having said that, twice in 3 days they've had Shoebury as the wettest, with 0.2mm rain. I'm bloody sure there hasn't been any. It's only 4 miles form here and we haven't had a cloud that I've noticed.
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Nice setup wowb - not seen this link before.
I often wondered if it's possible to access real time data from the likes of Benson (our closest metoffice w. stn) - I don't think it is... Benson weather forecast - Met Office (http://www.metoffice.gov.uk/weather/uk/se/benson_forecast_weather.html)
PS any idea what the accuracy diff of your temp sensor, vs one in a full size stevenson screen would be?
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The Met Office will let you have their data, but there's a bit of a cost, that might be better put into a detached house, or a comfortable pension plan.
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The Met Office will let you have their data, but there's a bit of a cost, that might be better put into a detached house, or a comfortable pension plan.
I don't really need 'real time', but the the thing is, and not to appear too churlish, AFAIA the met office is government funded, with uber computing power, high-tech sensing stations. etc etc, and yet we get the likes of a 7 time point/day output or some graphic with cartoon suns/clouds etc...
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You can get hourly Benson data with about a 30 minute delay from the Met Office website (http://www.metoffice.gov.uk/weather/uk/se/benson_latest_weather.html)
I currently quite like the display given on the 'Wundermap' (http://www.wunderground.com/wundermap/?lat=51.74319&lon=-1.22875&zoom=11&type=map&units=metric&rad=0&wxsn=1&wxsn.mode=tw&wxsn.pws=1&svr=0&cams=0&sat=0&riv=0&mm=0&hur=0&fire=0&tor=0&ndfd=0&pix=0&dir=0&ads=0&tfk=0&ski=0) but you have to do a bit of visual filtering of the information.
This source also leads on to: Benson data (http://www.wunderground.com/history/airport/EGUB/2011/4/26/DailyHistory.html).
Another option is to get the METAR for EGUB from somewhere like here (http://secure.metoffice.com/aviation/reports.do?type=METAR&list=01) (free registration required) but that will say something like 'EGUB 261150Z 02012KT 9999 BKN023 13/06 Q1026 WHT BECMG SCT025 BLU' - it just depends what you want to do with it !
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This source also leads on to: Benson data (http://www.wunderground.com/history/airport/EGUB/2011/4/26/DailyHistory.html).
Yes, that's better.
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I just had a ride via the local bridalpath and noticed the farmer ploughing over planted crops :-\
Now just seen on the news wheat crops are not looking good :-\
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According to the Grauniad, that was the hottest April on record. The mean temperature (which I think means half-hourly readings) was 10.2°C. Our weather station recorded a mean of 13.3°C.
TEMPERATURE (C), RAIN (mm), WIND SPEED (kph)
DEP. HEAT COOL
MEAN MEAN FROM DEG DEG MAX MAX MIN MIN
YR MO MAX MIN MEAN NORM DAYS DAYS HI DATE LOW DATE >=32.2 <=0 <=0 <=-17.8
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2011 01 7.6 3.1 5.4 0.0 725.3 0.0 13.2 16 -0.3 30 0 0 2 0
2011 02 9.6 5.2 7.3 0.0 551.2 0.0 15.7 25 -1.3 1 0 0 1 0
2011 03 11.3 3.6 7.4 0.0 605.8 0.0 18.1 31 -1.7 8 0 0 4 0
2011 04 19.1 8.6 13.3 0.0 242.3 0.0 26.1 23 5.5 11 0 0 0 0
2011 05 13.9 6.9 10.9 -0.4 57.0 0.0 15.5 1 3.0 4 0 0 0 0
PRECIPITATION (mm)
DEP. MAX ---DAYS OF RAIN---
FROM OBS. OVER
YR MO TOTAL NORM DAY DATE 0.254 2.54 25.4
---------------------------------------------------------
2011 01 97.7 0.0 19.5 18 13 8 0
2011 02 41.5 0.0 12.0 19 7 4 0
2011 03 10.1 0.0 4.1 18 5 2 0
2011 04 4.1 0.0 2.0 11 2 0 0
2011 05 0.0 0.0 0.0 0 0 0 0
WIND SPEED (kph)
DOM
YR MO AVG HI DATE DIR
----------------------------------
2011 01 5.1 38.6 8 W
2011 02 6.1 49.9 4 SW
2011 03 5.1 43.5 31 NE
2011 04 4.8 37.0 30 NE
2011 05 10.1 41.8 2 ENE
Rain on the way after UK's hottest April on record, says Met Office | Science | The Guardian (http://www.guardian.co.uk/science/2011/may/04/rain-hottest-april-met-office)
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Our weather station has just recorded the 200th mm of rain to fall this year. That's pretty damned dry.
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September's up. Warmer than July in terms of mean max and overall max, the same mean min, but 0.1 degree lower in terms of overall mean. That's only because the sun spends less time in the sky.
ANNUAL CLIMATOLOGICAL SUMMARY for 2011
NAME: Wowbagger's House CITY: Southend-on-Sea STATE: Essex
ELEV: 20.1 m LAT: 51.5 N LONG: 0.7 E
TEMPERATURE (C), RAIN (mm), WIND SPEED (kph)
DEP. HEAT COOL
MEAN MEAN FROM DEG DEG MAX MAX MIN MIN
YR MO MAX MIN MEAN NORM DAYS DAYS HI DATE LOW DATE >=32.2 <=0 <=0 <=-17.8
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2011 01 7.6 3.1 5.4 0.0 725.3 0.0 13.2 16 -0.3 30 0 0 2 0
2011 02 9.6 5.2 7.3 0.0 551.2 0.0 15.7 25 -1.3 1 0 0 1 0
2011 03 11.3 3.6 7.4 0.0 605.8 0.0 18.1 31 -1.7 8 0 0 4 0
2011 04 19.1 8.6 13.3 0.0 242.3 0.0 26.1 23 5.5 11 0 0 0 0
2011 05 19.2 10.4 14.6 0.0 196.3 0.1 24.4 6 3.0 4 0 0 0 0
2011 06 20.9 11.9 16.1 0.0 128.0 25.4 33.3 27 8.2 11 1 0 0 0
2011 07 21.3 12.9 16.8 0.0 76.0 6.6 26.4 5 9.7 30 0 0 0 0
2011 08 21.9 14.0 17.5 0.0 55.5 35.0 29.3 3 10.2 19 0 0 0 0
2011 09 21.6 12.9 16.7 0.1 82.6 26.2 28.5 30 8.6 18 0 0 0 0
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I've noticed an annoying glitch in the software we are using to write the web page.
MONTHLY CLIMATOLOGICAL SUMMARY for OCT 2011
NAME: Wowbagger's House CITY: Southend-on-Sea STATE: Essex
ELEV: 20.1 m LAT: 51.5 N LONG: 0.7 E
TEMPERATURE (C), RAIN (mm), WIND SPEED (kph)
HEAT COOL AVG
MEAN DEG DEG WIND DOM
DAY TEMP HIGH TIME LOW TIME DAYS DAYS RAIN SPEED HIGH TIME DIR
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01 19.4 28.8 13:57 12.1 07:06 0.0 3.8 0.0 0.1 8.0 19:30 S
02 19.9 28.7 14:33 12.8 06:26 0.0 4.4 0.0 2.4 19.3 15:30 SW
03 19.9 26.6 14:05 15.8 07:25 0.0 5.2 0.0 5.9 24.1 12:00 SW
04 17.6 19.2 14:37 16.0 23:58 1.3 0.0 0.0 7.0 33.8 01:30 WSW
05 17.8 21.3 13:49 15.4 02:10 0.0 0.1 0.0 9.3 38.6 23:30 SW
06 14.2 17.7 00:42 10.9 23:45 7.2 0.0 3.0 10.3 38.6 00:30 WSW
07 11.6 16.2 14:23 8.6 01:44 10.7 0.0 1.6 6.2 40.2 01:13 W
08 11.9 14.2 23:02 9.4 02:14 11.8 0.0 0.6 4.7 20.9 06:30 W
09 17.0 21.6 15:35 13.6 02:11 1.3 0.0 2.4 7.6 37.0 14:30 WSW
10 17.9 21.3 15:44 16.1 07:22 0.0 0.7 0.0 13.0 48.3 15:00 WSW
11 17.5 20.2 13:20 15.6 23:22 0.8 0.0 0.0 11.3 43.5 09:30 WSW
12 16.8 20.7 15:38 15.2 01:18 0.7 0.0 0.2 6.0 30.6 01:30 W
13 14.8 16.4 00:00 14.1 07:09 5.6 0.0 0.2 3.2 20.9 09:00 NE
14 13.5 15.6 14:19 11.9 22:48 8.2 0.0 0.0 2.9 22.5 10:30 ENE
15 11.9 15.6 14:42 7.2 08:07 12.5 0.0 0.0 1.3 14.5 13:00 SSE
16 9.7 17.6 14:08 4.6 05:51 13.0 0.0 0.0 1.9 16.1 15:30 SSW
17 15.9 17.7 14:30 9.4 07:00 8.6 0.0 0.0 10.7 35.4 22:00 SW
18 10.6 14.7 00:01 7.9 05:43 12.7 0.0 3.9 9.0 37.0 02:30 WSW
19 10.3 14.2 14:59 5.8 23:58 15.0 0.0 0.0 5.5 24.1 13:19 W
20 7.7 14.3 15:18 3.5 06:59 17.0 0.0 0.0 3.1 17.7 11:00 W
21 10.1 15.9 13:58 5.8 04:11 13.5 0.0 0.0 3.5 24.1 17:00 SW
22 10.7 13.4 13:44 8.6 07:39 13.2 0.0 0.0 3.0 22.5 17:39 S
23 13.8 18.2 15:26 10.8 00:00 6.9 0.0 0.0 2.9 27.4 11:30 S
24 12.8 14.8 14:39 10.9 07:54 9.9 0.0 0.0 3.4 25.7 13:30 E
25 13.6 17.4 14:32 10.8 23:44 7.5 0.0 1.8 1.9 20.9 18:01 S
26 11.2 14.1 14:17 9.5 07:24 11.8 0.0 5.7 2.8 24.1 16:00 SSW
27 12.6 14.1 21:18 11.5 08:29 10.0 0.0 0.8 1.4 17.7 00:00 SE
28 12.6 13.6 00:00 10.9 10:16 10.9 0.0 0.4 1.8 12.9 04:30 NE
29 13.8 15.9 15:22 12.7 03:33 7.2 0.0 0.0 4.2 24.1 14:30 SW
30 15.0 17.3 12:57 13.5 00:00 5.3 0.0 0.2 5.9 30.6 10:30 SW
31 13.6 13.7 23:00 13.6 23:33 8.5 0.0 0.0 3.7 19.3 23:00 S
---------------------------------------------------------------------------------------
14.1 28.8 1 3.5 20 231.1 14.0 20.9 5.0 48.3 10 SW
That claims that 31st October had a temperature range of only 0.1 °C. The daily report for 31st Oct shows otherwise.
--Timestamp--- Temp Chill HIndex Humid Dewpt Wind HiWind WindDir Rain Barom Solar ET UV
-------------- ---- ----- ------ ----- ----- ------ ------ ------- ----- ----- ----- ----- ----
20111031 00:00 14.7 14.7 14.7 95 13.9 5 14 225 0.0 1015.8 -100000 0.000 -100000.0
20111031 00:30 14.7 14.7 14.7 95 13.9 3 14 225 0.0 1015.7 -100000 0.000 -100000.0
20111031 01:00 14.7 14.7 14.7 95 13.9 3 10 225 0.0 1015.5 -100000 0.000 -100000.0
20111031 01:30 14.7 14.7 14.7 95 13.9 2 13 225 0.0 1015.4 -100000 0.000 -100000.0
20111031 02:00 14.7 14.7 14.7 95 13.9 2 8 225 0.0 1015.3 -100000 0.000 -100000.0
20111031 02:30 14.7 14.7 14.7 95 13.9 2 8 225 0.0 1015.0 -100000 0.000 -100000.0
20111031 03:00 14.7 14.7 14.7 95 13.9 2 10 225 0.0 1014.8 -100000 0.000 -100000.0
20111031 03:30 14.7 14.7 14.7 95 13.9 2 10 225 0.0 1014.6 -100000 0.000 -100000.0
20111031 04:00 14.7 14.7 14.7 95 13.9 2 11 202 0.0 1014.7 -100000 0.000 -100000.0
20111031 04:30 14.7 14.7 14.7 95 13.9 2 8 225 0.0 1014.6 -100000 0.000 -100000.0
20111031 05:00 14.6 14.6 14.6 95 13.8 3 11 225 0.0 1014.4 -100000 0.000 -100000.0
20111031 05:30 14.6 14.6 14.6 95 13.8 2 10 225 0.0 1014.5 -100000 0.000 -100000.0
20111031 06:00 14.6 14.6 14.6 95 13.8 2 8 225 0.0 1014.4 -100000 0.000 -100000.0
20111031 06:30 14.6 14.6 14.6 95 13.8 2 11 225 0.0 1014.4 -100000 0.000 -100000.0
20111031 07:00 14.6 14.6 14.6 94 13.6 2 10 225 0.0 1014.5 -100000 0.000 -100000.0
20111031 07:30 14.5 14.5 14.5 94 13.5 2 10 202 0.0 1014.5 -100000 0.000 -100000.0
20111031 08:00 14.6 14.6 14.6 94 13.6 3 11 202 0.0 1014.5 -100000 0.000 -100000.0
20111031 08:30 14.5 14.5 14.5 94 13.5 3 14 225 0.0 1014.7 -100000 0.000 -100000.0
20111031 09:00 14.4 14.4 14.4 94 13.4 3 13 225 0.0 1014.6 -100000 0.000 -100000.0
20111031 09:30 14.6 14.6 14.6 93 13.5 3 13 225 0.0 1014.4 -100000 0.000 -100000.0
20111031 10:00 15.0 15.0 15.0 91 13.5 3 13 225 0.0 1014.3 -100000 0.000 -100000.0
20111031 10:30 15.4 15.4 15.4 88 13.4 5 14 225 0.0 1014.1 -100000 0.000 -100000.0
20111031 11:00 16.0 16.0 16.0 85 13.5 3 14 202 0.0 1013.8 -100000 0.000 -100000.0
20111031 11:30 16.5 16.5 16.5 82 13.4 3 21 225 0.0 1013.2 -100000 0.000 -100000.0
20111031 12:00 16.2 16.2 16.2 82 13.1 3 16 225 0.0 1012.9 -100000 0.000 -100000.0
20111031 12:30 15.8 15.8 15.8 83 12.9 5 14 202 0.0 1012.5 -100000 0.000 -100000.0
20111031 13:00 15.5 15.5 15.5 82 12.4 3 18 202 0.0 1012.1 -100000 0.000 -100000.0
20111031 13:30 15.4 15.4 15.4 81 12.1 2 11 202 0.0 1011.7 -100000 0.000 -100000.0
20111031 14:00 15.2 15.2 15.2 82 12.1 3 18 202 0.0 1011.3 -100000 0.000 -100000.0
20111031 14:30 15.0 15.0 15.0 80 11.6 3 18 225 0.0 1011.2 -100000 0.000 -100000.0
20111031 15:00 14.8 14.8 14.8 82 11.8 3 18 225 0.0 1010.9 -100000 0.000 -100000.0
20111031 15:30 14.7 14.7 14.7 82 11.6 3 18 202 0.0 1010.8 -100000 0.000 -100000.0
20111031 16:00 14.6 14.6 14.6 81 11.3 3 16 225 0.0 1010.5 -100000 0.000 -100000.0
20111031 16:30 14.4 14.4 14.4 82 11.4 3 13 225 0.0 1010.5 -100000 0.000 -100000.0
20111031 17:00 14.1 14.1 14.1 83 11.2 3 14 202 0.0 1010.5 -100000 0.000 -100000.0
20111031 17:30 13.6 13.6 13.6 85 11.1 3 14 202 0.0 1010.4 -100000 0.000 -100000.0
20111031 18:00 13.3 13.3 13.3 86 11.0 2 8 202 0.0 1010.1 -100000 0.000 -100000.0
20111031 18:30 13.0 13.0 13.0 88 11.1 0 5 225 0.0 1010.0 -100000 0.000 -100000.0
20111031 19:00 12.9 12.9 12.9 89 11.2 0 5 202 0.0 1009.8 -100000 0.000 -100000.0
20111031 19:30 12.8 12.8 12.8 90 11.2 0 5 68 0.0 1009.5 -100000 0.000 -100000.0
20111031 20:00 12.9 12.9 12.9 89 11.2 0 6 112 0.0 1009.3 -100000 0.000 -100000.0
20111031 20:30 12.9 12.9 12.9 90 11.3 2 8 202 0.0 1009.0 -100000 0.000 -100000.0
20111031 21:00 13.0 13.0 13.0 89 11.2 2 8 202 0.0 1008.9 -100000 0.000 -100000.0
20111031 21:30 12.9 12.9 12.9 90 11.3 0 6 202 0.0 1008.7 -100000 0.000 -100000.0
20111031 22:00 12.9 12.9 12.9 91 11.5 0 11 202 0.0 1008.4 -100000 0.000 -100000.0
20111031 22:30 13.3 13.3 13.3 90 11.7 2 10 202 0.0 1008.1 -100000 0.000 -100000.0
20111031 23:00 13.7 13.7 13.7 89 11.9 3 16 225 0.0 1007.7 -100000 0.000 -100000.0
20111031 23:30 13.7 13.7 13.7 89 11.9 3 19 202 0.0 1007.6 -100000 0.000 -100000.0
I'm concluding that the 25-hour day on Sunday has somehow buggered up the necessary recording and it's taken the final hour of 31/10/11 to represent the entire day.
-
Looking at the Southend forecast for the rest of November makes it pretty certain that this month will be frost free with plenty to spare. No idea about November records for warm weather, but the mean temperatures for the month is currently at 10.8. It could well end up being higher than this.
At 31mm it's also been a pretty dry month, and 450mm so far for the year is probably close to average for this area. For the past 60 years or so, Gt. Wakering (5 miles away) has been pretty much the driest place in the UK with about 19 in rain. 450mm is 17.7 in. Of course, if December's as wet as January or June were, then we'll be considerably wetter than average.
It's worth bearing in mind that it was this time last year that the snow started. Nothing like that round here yet.
-
I've just had a look at the daily data in which our weather station recorded frosts this year.
So far in 2011, of the 16,272 half-hourly temperature readings recorded, only 46 of them have been at or below 0°C. That breaks down to 2 hours' frost in January (30th/31st), 7.5 in Feb (all on 1st Feb) and 13.5 hours in March, over 4 days (5th, 7th, 8th, 19th). I'm confident that the recordings are accurate: we almost invariably follow within a degree or so the met office reading from Landwick, (Wakering/Shoeburyness) with the exception of hot days. The more exposed, coastal and rural setting of the official site I'm sure keeps its temperatures down. I suspect that very cold winter weather might also give variance, but we haven't had any yet.
Unless what's left of this month throws something dramatic at us, I expect 2011 to be the most frost-free year ever recorded in SE England.
-
Looking at the Southend forecast for the rest of November makes it pretty certain that this month will be frost free with plenty to spare. No idea about November records for warm weather, but the mean temperatures for the month is currently at 10.8. It could well end up being higher than this.
http://www.metoffice.gov.uk/news/releases/archive/2011/autumn-warmth
This November and the autumn have been the second warmest on record in the UK, provisional Met Office figures show.
Statistics for November show that parts of the country have seen monthly temperatures of up to 3.0 °C above the long-term average.
Records that go back to 1910 show this November is ranked second warmest for the UK with an average temperature of 8.7 °C, just 0.1 °C off the record set in 1994.
The mild temperatures this November follow a relatively mild September and October, which were the 6th and 8th warmest on record respectively.
This has added up to a warm autumn, with provisional figures showing the UK average temperature was 11.2 °C - making it the second warmest on record, behind 2006 when the mean temperature was 11.4 °C.
The mean temperature for November was 10.7°C in my garden. For Sept, Oct & Nov the mean temperature was 13.5°C.
http://tickfield.thewalkers.org.uk/weather/NOAA/NOAA-2011-11.txt refers.
-
I was thinking about buying the UV sensor and solar radiation sensor for this weather station: I get a 15% discount if I buy them before 22/12/2011, the first anniversary of me buying the machine.
However, since these additions would set me back another £600 or so, the hours of sunshine will have to remain unrecorded.
-
I've just been looking at a marvellous resource on the Met Office's website:
http://www.metoffice.gov.uk/climate/uk/averages/ukmapavge.html
If you want to know the time of year when you are most likely to have good weather in Western Scotland, look no further! Whenever we've been there, Mrs. Wow and I have been told that the best time of year to go is April and May. This map makes it official.
-
(http://www.metoffice.gov.uk/climate/uk/averages/7100_1km/Sunshine_Average_1971-2000_5.gif)
and
(http://www.metoffice.gov.uk/climate/uk/averages/7100_1km/Sunshine_Average_1971-2000_7.gif)
illustrate perfectly why it is that you should take your holidays on Scotland's west coast in May rather than July.
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Same for Cumbria. Our weather data at work shows the same with regard to rainfall as well
-
Just stumbled upon this rather excellent thread. Mr Bagger - are you aware of Climatological Observers Link? http://www.colweather.org.uk/
I've no personal involvement but I used to supply data to them at one time.
psd (ex amateur and one-time-professional met observer).
-
ANNUAL CLIMATOLOGICAL SUMMARY for 2011
NAME: Tickfield House CITY: Southend-on-Sea STATE: Essex
ELEV: 20.1 m LAT: 51.5 N LONG: 0.7 E
TEMPERATURE (C), RAIN (mm), WIND SPEED (kph)
DEP. HEAT COOL
MEAN MEAN FROM DEG DEG MAX MAX MIN MIN
YR MO MAX MIN MEAN NORM DAYS DAYS HI DATE LOW DATE >=32.2 <=0 <=0 <=-17.8
---------------------------------------------------------------------------------------------
2011 01 7.6 3.1 5.4 0.0 725.3 0.0 13.2 16 -0.3 30 0 0 2 0
2011 02 9.6 5.2 7.3 0.0 551.2 0.0 15.7 25 -1.3 1 0 0 1 0
2011 03 11.3 3.6 7.4 0.0 605.8 0.0 18.1 31 -1.7 8 0 0 4 0
2011 04 19.1 8.6 13.3 0.0 242.3 0.0 26.1 23 5.5 11 0 0 0 0
2011 05 19.2 10.4 14.6 0.0 196.3 0.1 24.4 6 3.0 4 0 0 0 0
2011 06 20.9 11.9 16.1 0.0 128.0 25.4 33.3 27 8.2 11 1 0 0 0
2011 07 21.3 12.9 16.8 0.0 76.0 6.6 26.4 5 9.7 30 0 0 0 0
2011 08 21.9 14.0 17.5 0.0 55.5 35.0 29.3 3 10.2 19 0 0 0 0
2011 09 21.6 12.9 16.7 0.0 82.6 26.2 28.5 30 8.6 18 0 0 0 0
2011 10 17.8 11.1 14.1 0.0 231.1 14.0 28.8 1 3.5 20 0 0 0 0
2011 11 13.3 8.2 10.7 0.0 409.6 0.0 17.4 3 3.0 20 0 0 0 0
2011 12 9.5 4.7 7.2 1.0 626.0 0.0 13.4 22 -0.5 19 0 0 2 0
---------------------------------------------------------------------------------------------
16.1 8.9 12.3 0.1 3929.6 107.4 33.3 JUN -1.7 MAR 1 0 9 0
PRECIPITATION (mm)
DEP. MAX ---DAYS OF RAIN---
FROM OBS. OVER
YR MO TOTAL NORM DAY DATE 0.254 2.54 25.4
---------------------------------------------------------
2011 01 97.7 0.0 19.5 18 13 8 0
2011 02 41.5 0.0 12.0 19 7 4 0
2011 03 10.1 0.0 4.1 18 5 2 0
2011 04 4.1 0.0 2.0 11 2 0 0
2011 05 15.6 0.0 11.8 26 4 1 0
2011 06 99.1 0.0 24.2 6 16 10 0
2011 07 60.9 0.0 20.8 21 11 7 0
2011 08 51.8 0.0 16.9 4 13 5 0
2011 09 17.3 0.0 4.3 6 11 3 0
2011 10 20.9 0.0 5.7 26 9 3 0
2011 11 32.1 0.0 14.0 4 8 2 0
2011 12 52.0 23.6 10.8 1 19 6 0
---------------------------------------------------------
503.1 23.6 24.2 JUN 118 51 0
WIND SPEED (kph)
DOM
YR MO AVG HI DATE DIR
----------------------------------
2011 01 5.1 38.6 8 W
2011 02 6.1 49.9 4 SW
2011 03 5.1 43.5 31 NE
2011 04 4.8 37.0 30 NE
2011 05 5.7 41.8 2 WSW
2011 06 5.2 38.6 22 SW
2011 07 4.0 37.0 6 SW
2011 08 4.1 35.4 10 WSW
2011 09 5.1 45.1 12 SW
2011 10 5.0 48.3 10 SW
2011 11 3.6 43.5 27 SSW
2011 12 7.7 53.1 8 WSW
----------------------------------
5.1 53.1 DEC WSW
Only 9 air frosts in 2011 in my garden. That's remarkably few, fewer than half the annual average for the 30 years 1971 - 2000.
Year records:
Highest temperature of 33.3°C on 27/6/11, the second consecutive year that the highest temperature has fallen on that date. This exceeded the Met Office's official highest, which was 33.1°C in Gravesend on the same day. Minimum temperature was -1.7°C on 8th March, probably the highest annual minimum temperature of my life. The hottest spell was from 29th Sept to 3rd Oct, with all 5 days recording maxima in excess of 26.5°C (80°F). Gravesend (again) recorded the highest ever UK October (http://www.bbc.co.uk/news/uk-15137832) temperature on 1/10/11 - 29.9°C. I recorded 28.8°C.
The wettest day was in June (6th) as was the second wettest - 28th - when more than 22mm fell in under 90 minutes, 15mm of that in 30 minutes. Although the annual rainfall in the above table is given as 503.1mm, the base station actually recorded about 6mm less than this. Rounding errors have been introduced by the free software, which is American and takes the data in metric (which is the default output for the station), converts it to Imperial / US and then, because we choose to display it in metric, then converts it back again. Just under 500mm, or 19.5 inches, is a very typical year for SE Essex, one of the driest areas in the country. NB in 2011, the midlands were quite a bit drier than this.
I don't think the barometric pressure did anything especially spectacular and the recorded wind speed will have been kept low by adjacent buildings and trees.
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Peter, how far back does your weather data go? I was thinking about this the other day - in the winter of 2004/5 I commuted most days and rode pretty much every Saturday and Sunday too. I remember getting wet only 3 times* that winter! It seemed to be perpetually dry (if a little cold) all winter! I'd be interested in stats for Essex in that period if you have them.
*Properly wet as opposed to a bit damp from a passing shower
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Peter, how far back does your weather data go? I was thinking about this the other day - in the winter of 2004/5 I commuted most days and rode pretty much every Saturday and Sunday too. I remember getting wet only 3 times* that winter! It seemed to be perpetually dry (if a little cold) all winter! I'd be interested in stats for Essex in that period if you have them.
*Properly wet as opposed to a bit damp from a passing shower
Sorry, bobb, my records go back to 22/12/2010! I was delving around the Met Office thread and there was a page which I stumbled across with quite a lot of records on it. It'll probably take a bit of finding again but there was some useful stuff there.
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Just confirmed that this December 2011 was on average 2.56 m/s (5.73 mph or 46%) windier than the mean windspeed since 2005 round here. Thought it had been a bit windy
Also 2.57oC (50.7%) warmer than mean temperature for the same period.
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Anyone interested in helping Climate research may be interested in the OldWeather project.
http://www.oldweather.org/ (http://www.oldweather.org/)
Esentially the Royal and other navies have been recording weather observations from ships worldwide for hundreds of years. Oldweather in the first phase has taken declassified logbooks from around WW1 and released them for volunteers to transcribe the observations into digital form to be used for climate modeling. The side benefits include the digitising of the historical information the logbooks also contain, a lot of us will have ancestors who lived and worked in these ships.
Be warned - some of the logbooks are badly written and long periods go with nothing much happening. It can be addictive though.
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TEMPERATURE (C)
DEP. HEAT COOL
MEAN MEAN FROM DEG DEG MAX MAX MIN MIN
YR MO MAX MIN MEAN NORM DAYS DAYS HI DATE LOW DATE >=32.2 <=0 <=0 <=-17.8
---------------------------------------------------------------------------------------------
2011 01 7.6 3.1 5.4 -0.9 725.3 0.0 13.2 16 -0.3 30 0 0 2 0
2012 01 11.0 7.0 8.9 2.6 185.0 0.0 12.4 1 3.9 6 0 0 0 0
There's a comparison of last January and this month, to date. 2012 is currently running at more than 3°C higher than last year, and I thought Jan 2011 was pretty mild.
Could all change pretty quickly of course, and there is colder weather forecast for the next few days.
-
What exactly do "Heat deg days" and "Cool deg days" measure?
-
It's something to do with the amount of fuel you have to use to heat / cool a building to an acceptable temperature for work. http://en.wikipedia.org/wiki/Heating_degree_day refers. I think it's a USAnian thing.
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Thanks. Potentially useful, but only if you have a particular building with known insulation values etc to relate it to. I shall ignore.
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What exactly do "Heat deg days" and "Cool deg days" measure?
Its a chartered institute of building services engineers (CIBSE) thing. Widely used to get a feel for much heat/cooling demand there has been in a given period.
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I use the Traffic Scotland Weather stations for temp and Wind , on line .
I got to fix them too when they are broken?
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Quite a white frost in the park this morning, even though our weather station told us the temperature was 7°C. The park is in a valley and is a bit of a frost pocket. There has been hardly any wind today.
At 11 a.m. our reading was 6.9°C whereas in Shoebury the official one was 6.6°C.
-
At 11 a.m. our reading was 6.9°C whereas in Shoebury the official one was 6.6°C.
There is a east/southeasterly flow of Not Particularly Cold air at the moment - so you'll be picking up a lot of effect of being near the windward coast. The sea temperature is probably the same - around 7C.
As we rode east yesterday, it became noticeably milder toward the coast. Inland and near the north coast later, it got very cold, very quickly after dusk.
-
That's true: Shoebury's station is a lot closer to tidal water than we are. I think it's here (http://www.streetmap.co.uk/map.srf?X=596002&Y=187675&A=Y&Z=120). Being in the middle of the town, a good 1.5 miles from the sea front, we benefit from building-generated heat, as well as the increasingly strong sun. The dip down to the park isn's a lot - about 15 metres perhaps - but the slope starts about 100 metres to the north of our house, so cold air is very likely to start rolling down the hill around sunset.
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Dez has just loaded a software upgrade onto the computer and it now displays "wind roses".
This month's is especially telling.
http://tickfield.thewalkers.org.uk/weather/
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That's a bit annoying! I was hoping that Jan would show a mean max >10°C but yesterday pulled it down to 9.9°C! No chance of getting above 10°C today or tomorrow.
-
Comparing Jan 2011 to Jan 2012:
TEMPERATURE (C), RAIN (mm), WIND SPEED (kph)
DEP. HEAT COOL
MEAN MEAN FROM DEG DEG MAX MAX MIN MIN
YR MO MAX MIN MEAN NORM DAYS DAYS HI DATE LOW DATE >=32.2 <=0 <=0 <=-17.8
---------------------------------------------------------------------------------------------
2011 01 7.6 3.1 5.4 -0.7 725.3 0.0 13.2 16 -0.3 30 0 0 2 0
2012 01 9.5 4.3 6.9 0.7 637.1 0.0 13.9 21 -1.2 14 0 0 4 0
PRECIPITATION (mm)
DEP. MAX ---DAYS OF RAIN---
FROM OBS. OVER
YR MO TOTAL NORM DAY DATE 0.254 2.54 25.4
---------------------------------------------------------
2011 01 97.7 29.7 19.5 18 13 8 0
2012 01 38.4 -29.7 9.9 3 11 6 0
WIND SPEED (kph)
DOM
YR MO AVG HI DATE DIR
----------------------------------
2011 01 5.1 38.6 8 W
2012 01 6.2 61.2 4 WSW
So Jan 2012 was much warmer, windier and drier than Jan 2011. I think it was also much sunnier, but I'm not measuring that.
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The long sequence of dry months continues. Apparently, there's talk of hose-pipe bans, which have become almost unheard of in East Anglia, despite being the driest part of the country.
I must say, it's depressing just how many dried up streams and rivers we cycle past, and all the fords seem to be low or empty.
-
In Southend, we were just about at our normal rainfall for 2011 - we expect 19 to 20 inches a year. However, 8 of those inches fell in January and June, whereas I think August is normally amongst our wettest months.
My brother recorded much less - about 14 inches - in Shropshire.
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I think the siting of my weather station has made the most significant difference yet in today's results.
Maximum temperature in our garden: 4.2°C (allegedly).
Maximum in Shoebury (Met Office, 5 miles away): 1.9°C.
-
The weather station in the garden is claiming -14 c. Which for just south of Ely is damn cold.
-
-10 in Chelmsford. What was it in Southend, Wow?
-
-10 in Chelmsford. What was it in Southend, Wow?
The last two nights have been -6.5°C and -5°C.
http://tickfield.thewalkers.org.uk/weather/ shows exactly what's been happening in our garden. Shoeburyness recorded -9.1°C and -8.1°C respectively.
-
Can anyone please point me to any wind history data for Torosay and Fort William? - would be much obliged.
-
What time period are you talking about ? Yesterday / last week / last month / etc.
-
A quick glance around the Met Office website indicates that Shoeburyness was the highest of their regularly published temperatures today, with 17.7°C. We recorded 18.8°C. I certainly don't remember a February day as warm as this.
-
I've just had a look at the final figures for February and compared them to last year.
TEMPERATURE (C), RAIN (mm), WIND SPEED (kph)
DEP. HEAT COOL
MEAN MEAN FROM DEG DEG MAX MAX MIN MIN
YR MO MAX MIN MEAN NORM DAYS DAYS HI DATE LOW DATE >=32.2 <=0 <=0 <=-17.8
---------------------------------------------------------------------------------------------
2011 02 9.6 5.2 7.3 1.3 551.2 0.0 15.7 25 -1.3 1 0 0 1 0
2012 02 7.9 2.3 4.8 -1.2 689.8 0.0 18.8 23 -6.5 11 0 0 12 0
However, the most worrying difference is in the rainfall:
2011
PRECIPITATION (mm)
DEP. MAX ---DAYS OF RAIN---
FROM OBS. OVER
YR MO TOTAL NORM DAY DATE 0.254 2.54 25.4
---------------------------------------------------------
2011 01 97.7 29.7 19.5 18 13 8 0
2011 02 41.5 13.4 12.0 19 7 4 0
2012
DEP. MAX ---DAYS OF RAIN---
FROM OBS. OVER
YR MO TOTAL NORM DAY DATE 0.254 2.54 25.4
---------------------------------------------------------
2012 01 38.4 -29.7 9.9 3 11 6 0
2012 02 14.6 -13.4 6.7 6 10 1 0
18th Jan 2011 had more rain than the whole of Feb 2012.
Edit: I suspect we may have had rather more precipitation that was measured. We measured 16cm snow and I was under the impression that snow depth: rainfall was roughly 10:1. I reckon that once the rain gauge has collected a certain amount of snow, any more just blows away and doesn't get measured. Even so, I still think February was exceptionally dry.
-
It is the responsibility of the Observer on shift to ensure that snow that collects in the funnel is "encouraged" into the collecting/measuring device and under no circumstances should the funnel be allowed to become clogged or filled with snow.
Now, you did do that all night, during the early Feb snowfall, didn't you Mr Wowbagger Sir? :demon:
-
No, I get someone on JSA to do it for nothing. :demon:
Edit: I'll clearly have to sack them.
-
ISTR there was an approved method of maintaining measuring integrity by putting a known volume of warm water into the funnel to melt the snow; then subtract that known amount from the final collected quantity thereby giving you the rain-equivalent from the snowfall.
This brings to mind images of some poor feckless Technical Assistant, pissing into a rain gauge during a blizzard. It would be a neat trick to perform on some modern AWS setups where the rain collector might be quite a few feet above the ground.
-
Ours is. It's on the gable of a one-storey extension.
-
So - is this the longest period of continuous rain you've measured Wow?
Been raining here in Diss since around 10am yesterday, which makes it 30 hours now (except for the couple of hours or so last night when it was snowing instead ;)).
So. Having rained about twice since Christmas, it can't freekin' stop now it's started...
-
No. It's stopped several times since it started yesterday afternoon. We've not even had a centimetre yet this month.
http://tickfield.thewalkers.org.uk/weather/Archive/ARC-2012-03-04.txt
http://tickfield.thewalkers.org.uk/weather/Archive/ARC-2012-03-05.txt
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No. It's stopped several times since it started yesterday afternoon. We've not even had a centimetre yet this month.
That's a real surprise. I'd be looking for totals of around 20-30mm from this current weather.
-
Mostly it's been very light rain. Today's effort is still short of 1mm. Yesterdays was 5.4mm I think.
-
Hmm... actually, my rain-detection fu must be way off, because this is just up the road from here:
http://www.southlophamweather.co.uk/
and they've only recorded 8.8mm today.
-
I notice that the weather station / software predicts sunrise as 6.06 and sunset as 18,06 today 0 which is 4 days too early in my book!
THe Garmin has 6.06 and 18.04.
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I see from the Met Office that Scotland has produced three new records for March maximum temperatures on each of the past 3 days.
22.8°C on Sunday, 22.9°C yesterday and 23.4°C here.
This is mightily pissing off as we are going to southern Scotland next week.
-
As I observed to fboab at the weekend. It did this last year. Then the summer was shite.
-
It was later in the year though. March was cold pretty well throughout.
April & May were very warm last year. September was warmer than June. I thought June, July & August were pretty well close to average, the max. temp. average being 20.9, 21.3 and 21.6 respectively. (Edit: I suspect the Southend average is higher than these figures. I'm pretty sure that we get warmer summers than most of the country.)
In my garden, on an hour-by-hour basis, this month has been about a degree warmer than last March. Last March was even drier though, and there was only 10mm in April. We haven't had the unusually high temperatures this week that lots of others have enjoyed. Typically about 15 or 16 maximum temperature
http://tickfield.thewalkers.org.uk/weather/NOAA/NOAA-2011.txt refers.
-
I don't know about the rest of the country, but near Slough we had a marvellous summer last summer-to such an extent that we had a drought and lost much of our hay crop (again). Thankfully had good balanced weather through August and September, so the second cutting was better.
-
It was definitely warm in Dumfries & Galloway on the third week in March last year as I managed to get sunburnt arms riding from Dumfries to Glentrool. I didn't think I'd need sun cream in Scotland in March :facepalm:
-
I've just noticed that we haven't had a frost at all this month in Southend. The lowest temperature was 1.8°C on 15th.
-
Comparison time, April 2011 and April 2012.
TEMPERATURE (C), RAIN (mm), WIND SPEED (kph)
DEP. HEAT COOL
MEAN MEAN FROM DEG DEG MAX MAX MIN MIN
YR MO MAX MIN MEAN NORM DAYS DAYS HI DATE LOW DATE >=32.2 <=0 <=0 <=-17.8
---------------------------------------------------------------------------------------------
2011 04 19.1 8.6 13.3 2.1 242.3 0.0 26.1 23 5.5 11 0 0 0 0
2012 04 13.2 4.7 8.5 -2.7 404.0 0.0 17.4 2 -0.7 6 0 0 1 0
PRECIPITATION (mm)
DEP. MAX ---DAYS OF RAIN---
FROM OBS. OVER
YR MO TOTAL NORM DAY DATE 0.254 2.54 25.4
---------------------------------------------------------
2011 04 4.1 -16.8 2.0 11 2 0 0
2012 04 41.5 20.6 6.1 23 15 9 0
The mean temperature this month has been 4.8°C lower than the mean temp last April, and we have had more than 10 times as much rain with 6 days still to go.
What crap!
-
To use a rather excellent phrase that fboab and I pinched from this 'ere forum, and have been using a lot whilst getting hailed/rained/sunned or snowed on:
"it is the weatheriest month of the year".
-
I'm sitting here with the heating on and still my hands and feet are cold. 7.5°C at the moment.
-
....
The mean temperature this month has been 4.8°C lower than the mean temp last April, and we have had more than 10 times as much rain with 6 days still to go.
What crap!
OTOH, almost everything I planted last year, beech hedge, shrubs of various kinds and established fruit bushes such as raspberries were dismal failures. In what was supposed to be spring, the garden looked like a rather hot part of Spain. And the wet weather has incentivised(!) me to plaster the walls of an entire bedroom. Last year we attempted some tiling in 35°C due to deadlines, it was achieved at great cost of great human suffering.
It's an ill wind..
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Indeed. There's no doubt that we needed the rain.
About 5 weeks ago I went to the Hanningfield Reservoir Essex Wildlife Trust visitors' centre for a cup of coffee. There, they keep a whiteboard updated with the current level of the reservoir and it was 77% full. On Saturday we went past and it was as near to 100% as makes no difference.
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we haven't had a summer here for 5 years, it's not unusual for it to start raining in April and stop in September, nobody makes hay around here any more and even silage is a challenge, but thats what you get in the hills,
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We're colder but the rain is pretty much as low as last year. It's hardly rained here for the last couple weeks :)
HEAT COOL
MEAN MEAN DEG DEG
YR MO MAX MIN MEAN DAYS DAYS HI DATE LOW DATE
---------------------------------------------------------------
11 4 14.5 7.7 11.1 220 3 23.8 22 4.9 17
12 4 10.6 4.1 7.3 248 0 12.7 23 -0.3 5
PRECIPITATION (mm)
MAX DAYS OF RAIN
OBS. OVER
YR MO TOTAL DAY DATE .2 2 20
-----------------------------------------
11 4 35.0 10.0 5 10 7 0
12 4 29.8 11.0 17 13 4 0
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Just come across this thread.
In Rochdale we've had two dry days this month, so far. Temperature is 5 deg. We're 600 feet up where I live so the cloud that wings in across the Atlantic, without depositing on mcshroom et al, further west, can contain itself no longer by the time it's been forced up into the colder air. Good March, though.
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This could be the dumbest question ever, but I'll ask anyway, how do you calibrate a container to measure rainfall (in mm) :facepalm:
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There's a few different ways.
The simplest is to have a pot with a flat bottom and straight sides (no curves) and then just measure how high the water level is in the pot in mm using a ruler.
Another way is to have a collecting vessel, pour it into a measuring cyclinder, and divide between the ratio of the cross sectional area of the cyclinder and the cross sectional area of the mouth of the collecting vessel (then you don't need a square sided collecting pot)
A third way is to place the pot on a balance (assuming rain is water with a specific gravity of 1g/cm3) divide the change in mass by the cross sectional area of the collecting vessel.
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If you use the first method wont the size of the pot alter the depth of water ?
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The measure of rainfall is a set height per unit of surface area, so as long as the pot has the same cross-section all the way down to the bottom, the area is the same so it can be ignored.
If you have a pot with a 10 cm2 cross-section, then it will collect ten times as much rain as one with a 1 cm2 cross section, but will need ten times as much water to raise the level in the pot 1mm, so it cancels out.
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oh ok then, better look for a square pot, thanks for that, :thumbsup:
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28th April was the wettest day so far this year with 14.8mm.
If Sunday and Monday yield a further 3mm (we've already had 2mm since midnight) then April will have been wetter than January, February and March combined. I suspect that it's very many years since that last happened. Certainly in recent years April has been especially dry. In April 2007, the Essex & Suffolk Water company had at least one weather station which recorded no rain at all and Mrs. Wow and I, on LEJOG, reached Arran before we needed to disturb our waterproofs.
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April's records.
TEMPERATURE (C)
DEP. HEAT COOL
MEAN MEAN FROM DEG DEG MAX MAX MIN MIN
YR MO MAX MIN MEAN NORM DAYS DAYS HI DATE LOW DATE >=32.2 <=0 <=0 <=-17.8
2011 04 19.1 8.6 13.3 2.2 242.3 0.0 26.1 23 5.5 11 0 0 0 0
2012 04 13.5 5.4 9.0 -2.2 478.1 0.0 17.4 2 -0.7 6 0 0 1 0
PRECIPITATION (mm)
DEP. MAX ---DAYS OF RAIN---
FROM OBS. OVER
YR MO TOTAL NORM DAY DATE 0.254 2.54 25.4
2011 04 4.1 -38.8 2.0 11 2 0 0
2012 04 82.9 40.0 15.0 29 20 12 0
In Southend, we had more than 20 times as much rain in April 2012 as we did in April 2011 and the mean temperature was 4.3°C lower.
In Norway, more weather stations than ever before recorded a warmer March than April. March 2012 was the warmest ever recorded there.
http://www.yr.no/nyheter/1.8103535 refers.
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That's quite a difference. Is the Jet Stream the main culprit..?
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No idea. This last weekend was the wettest by far, accounting for more than ⅓ of the monthly total, and that seemed to come from the south-east.
Edit: April 2011 was, for much of Britain, the warmest on record and March 2012 was also a record-breaker for its high temperatures in Scotland.
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The BBC tells us that the 2012 April to June period is the wettest on record, and already that June is the second wettest June in the UK since 2010. There's always a lot of local variation in these readings, as or Southend, or at least, my bit of it, June 2011 was wetter than this month. June 2011 was boosted by two exceptionally wet days, 6th and 28th. On 6th, 24.2mm fell, whereas on 28th it was 22.5mm. In the latter case, all that rain fell in less than 90 minutes, and 15mm fell in 30 min. This month, the wettest two days were 3rd (13.4mm) and 11th (10.4mm). June 2012 was also quite a bit colder than June 2011.
I read that some poor unfortunate chap died near Ludlow when he was swept away by a swollen stream. I spoke to my brother this morning, who lives further north in Shropshire, and he recorded only 1mm rain yesterday.
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I was talking to someone from Chile but who has lived here since September, they said "The winter was good for us but I'm finding it difficult to understand your summer." I replied that we're all finding it difficult to understand this summer.
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Summer is when it rains every other day at between 14 and 19 degrees. Winter is when it rains every other day at between 3 and 12 degrees. Spring and Autumn were cut by George Osborne.
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Today is likely to see Southend's July rainfall total pass the 1" mark, and 2012's pass 1'. I would imagine that this is positively arid compared to some parts of the country.
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A local weather station in Chesham, Bucks is reporting 431mm annual rainfall so far. It doesn't have a month to date figure.
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Currently we are on 363.9mm here and 35mm have fallen so far this month. This is quite a dry year up North 8)
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Now 463mm, so that's 32mm in 6 days.
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Currently we are on 363.9mm here and 35mm have fallen so far this month. This is quite a dry year up North 8)
So Southend is hardly any drier than Cumbria, and wetter so far in July.
333.6mm in 2012, 59.2mm in July.
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Currently we are on 363.9mm here and 35mm have fallen so far this month. This is quite a dry year up North 8)
So Southend is hardly any drier than Cumbria, and wetter so far in July.
333.6mm in 2012, 59.2mm in July.
Strange - here in Eskdale we have had 630 mm so far, but "only" 56 mm in July.
Whereabouts are you, mcshroom?
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That's from St Bees Primary School's weather station: -
http://www.stbees.org.uk/weather/2007.htm (forget the 2007 bit, it is the current year).
I'm just up the hill in Egremont
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Ah, thanks.
An interesting rain shadow there - on that damp friday last month (22Jun), I recorded 72mm, the Met office station at St Bees Head, 56mm, but only 36mm at the school.
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I don't remember the day as I was on tour in northern Scotland at the time, but that wouldn't surprise me too much.
The headland station is on the lighthouse so the rain clouds are climbing. Even more so for you in Eskdale. The School is in the village so basically at sea level. Also depending on whether it was a Southerly or Westerly wind bringing the rain in, St Bees village may have been sheltered by the hill between it and Nethertown.
I'll check the numbers against the Sellafield weather station tomorrow (up to the end of June - reports are generated monthly)
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Yesterday was the warmest day I've recorded, and the highest minimum: mean temperature 25.9°C (min: 21.1°C, max: 32.6°C).
27/6/2011 was the previous warmest with a mean of 25.5°C (min: 18.3°C, max: 33.3°C).
-
I was just thinking, seeing as how the first 7 days of this month have all had a maximum temperature in excess of 20°C, that there must have been few periods of 7 consecutive days this year in which this has happened.
How wrong I was: every day in August, with the exception of the last two, the maximim temperature exceeded 20°C. Indeed, the last 10 days of July were just as warm.
The only day between 22nd July and 29th August on which the maximum temperature did not equal or exceed 70°F (21.1°C) was 29th July, when the maximum was 20.4°C. Yet we have been complaining about a rotten summer. It's certainly been wet, but, round here at least, not all that cold.
http://tickfield.thewalkers.org.uk/weather/NOAA/NOAA-2012-07.txt and http://tickfield.thewalkers.org.uk/weather/NOAA/NOAA-2012-08.txt refer.
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An idle thought had me comparing 2011 and 2012.
The mean temperature for the whole of 2011 was 12.3°C. The mean for 2012 currently stands at 12.3°C.
The mean minimum temperature for 2011 was 8.9°C. So far for 2012 it is 8.8°C.
http://tickfield.thewalkers.org.uk/weather/NOAA/NOAA-2011.txt and http://tickfield.thewalkers.org.uk/weather/NOAA/NOAA-2012.txt refer.
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How's the rain gauge this morning?
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Very quiet this morning. We've had 0.4mm today. Yesterday was 22.8mm though, the wettest day so far this year (just beating 8th July) and the second wettest day I've recorded, behind the 24.2mm of 6th June 2011.
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Judging by what it's doing here at the mo, today might come pretty close too.
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Interesting. There has been a little light rain so far today but amounting to only 0.8mm. You can't be more than about 15 miles from here as the rain-cloud flies.
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(http://peter.chesspod.com/gallery/d/17169-1/radarpic20120924.png)
A screenshot of today's radar map.
That's a pretty vigorous-looking storm over the South Downs. Still not raining in Southend.
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Here's mine (http://www.wunderground.com/weatherstation/WXDailyHistory.asp?ID=ILONDONL10).
It was running off an always-on windows box, that died. Now it's from a sometimes-on box, for the time being, which kind of defeats the object. Not been updated since noon yesterday.
Hoping to get another always-on solution of some description sometime soon so I may bug you about what/how you do yours.
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I've just collated the annual data for this year (we run September-August for some reason).
Daily Reports
Date Ave Wind Temperature Average Solar Average Air
Speed (m/s) Ave (°C) Max (°C) min (°C) Rain (mm) Radiation (W/m²) Pressure (kPa)
2005-6 4.25 10.39 30.0 -5.3 1005.7 124.27 101.26
2006-7 4.89 10.97 25.8 -3.5 1167.0 113.94 101.28
2007-8 4.39 10.25 27.0 -4.8 1059.6 108.81 101.37
2008-9 4.25 9.86 26.0 -4.7 1296.4 114.25 101.08
2009-10 3.86 9.33 21.6 -5.4 1007.2 119.38 101.05
2010-11 3.86 8.83 23.2 -7.6 1017.0 112.66 101.16
2011-12 4.22 10.78 26.7 -3.7 1361.4 111.45 101.16
As you can see this year (Sep11-Aug12) was the wettest and second dullest in the period we have measured.
Extra to add, this is the total rainfall for each month since August 2005
2005 2006 2007 2008 2009 2010 2011 2012 Averages
Jan 146.7 104.4 178.8 113.6 52.8 71.6 129.4 113.9
Feb 61.6 58.4 37.8 28.4 39.4 138.6 44.8 58.4
Mar 119.3 80.2 92.6 65.8 53.0 50.2 28.8 70.0
Apr 72.1 30.0 55.6 47.0 62.8 52.4 38.8 51.2
May 109.6 57.4 20.6 103.4 37.6 130.4 53.0 73.1
Jun 32.8 95.6 108.4 95.4 52.2 64.2 191.2 91.4
Jul 42.6 113.8 86.0 138.8 145.0 90.8 145.0 108.9
Aug 45.6 136.8 64.8 148.6 181.8 73.4 116.2 173.2 117.6
Sep 36.6 119.4 77.2 93.6 80.0 140.6 140.6 98.3
Oct 179.7 148.8 66.2 220.0 75.0 113.8 124.8 132.6
Nov 142.2 67.6 71.6 236.2 127.6 56.2 116.9
Dec 32.0 171.4 117.6 119.2 120.2 36.0 102.0 99.8 all in mm
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I'm really struggling to make sense of that data since the columns are not aligned with their headings. I can't see any column which looks as though it could possible be rainfall: this is Cumbria we are talking about, isn't it?
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Sorry, I've tidied it up now so it should make more sense. This is for just north of Seascale on the Cumbrian coast
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I'm guessing that the rainfall column should be metres rather than mm though and that the min and max temperatures displayed are averages. I've never seen kPa before and have no idea how it relates to the more commonly used inches of mercury or millibars. :)
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Those are daily average numbers, so mm is correct and the min and max are also avaerage extreme temperatures. I use daily avarage values as it covers for periods of non-recorded data more easily (there's been about 30 days missed in that dataset).
I've now changed our reporting format to total rainfall for the monthly figures which I have also uploaded.
1kPa is basically 10 mbar, so 100kPa is 1000 mbar if that helps :)
I'll interrogate the maximum and minimum temperatures when I get home
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I'll interrogate the maximum and minimum temperatures when I get home
Now done :)
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Yesterday's temperature range was the lowest I can remember for any day: 12.9°C min, 14.3°C max. It was foggy all day, which is quite odd for such a mild day.
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Last month was crap.
TEMPERATURE (C), RAIN (mm)
DEP. HEAT COOL
MEAN MEAN FROM DEG DEG MAX MAX MIN MIN
YR MO MAX MIN MEAN NORM DAYS DAYS HI DATE LOW DATE >=32.2 <=0 <=0 <=-17.8
---------------------------------------------------------------------------------------------
2011 10 17.8 11.1 14.1 1.4 231.1 14.0 28.8 1 3.5 20 0 0 0 0
2012 10 14.4 8.7 11.3 -1.4 379.7 0.0 17.8 17 2.1 28 0 0 0 0
PRECIPITATION (mm)
DEP. MAX ---DAYS OF RAIN---
FROM OBS. OVER
YR MO TOTAL NORM DAY DATE 0.254 2.54 25.4
---------------------------------------------------------
2011 10 20.9 -18.3 5.7 26 9 3 0
2012 10 57.5 18.3 13.8 5 18 7 0
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Despite the excessive precipitation in other areas, I think that November in Southend has been about average: 50-ish mm rain. Having said that, the ground has been pretty well saturated since the July deluges and, given the low temperatures, there's hardly any evaporation at this time of year.
It looks as though we could be heading for our first frosts of the winter: 3.2°C at the moment, and forecast to get a fair bit lower over the weekend. I must wrap up well for my ride tomorrow.
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The temperature dropped to 0.0°C at 4.48 am in our garden - the first air frost of the winter! It's white and bright outside now.
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Continuing the "last month was crap" theme,
TEMPERATURE (C), RAIN (mm), WIND SPEED (kph)
DEP. HEAT COOL
MEAN MEAN FROM DEG DEG MAX MAX MIN MIN
YR MO MAX MIN MEAN NORM DAYS DAYS HI DATE LOW DATE >=32.2 <=0 <=0 <=-17.8
---------------------------------------------------------------------------------------------
2011 10 17.8 11.1 14.1 1.4 231.1 14.0 28.8 1 3.5 20 0 0 0 0
2012 10 14.4 8.7 11.3 -1.4 379.7 0.0 17.8 17 2.1 28 0 0 0 0
2011 11 13.3 8.2 10.7 1.3 409.6 0.0 17.4 3 3.0 20 0 0 0 0
2012 11 11.2 5.6 8.2 -1.3 536.0 0.0 16.1 13 0.0 30 0 0 1 0
2011 12 9.5 4.7 7.2 1.2 626.0 0.0 13.4 22 -0.5 19 0 0 2 0
2012 12 7.3 0.8 3.9 -2.2 102.7 0.0 10.1 3 -1.6 2 0 0 2 0
shows the comparative temperatures for October, November and December 2011 and 2012. December 2012 is, obviously, work in progress, but I'm not holding out a lot of hope given the start we've had and the fact that northerly winds seem to have set in.
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I'm online again, but it's intermittent.
http://www.wunderground.com/weatherstation/WXDailyHistory.asp?ID=ILONDONL10
Need to sort out a permanent solution. I've ordered a Raspberry Pi which should keep me busy.
And I lost most of my data for Nov :(
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Today, our rainfall for the year will pass 600mm.
On doing a bit of googling this morning I found this website (http://www.southendweather.net/myrain.htm). This guy's records go back to 1978 and, in the brief period that I've been recording, it seems that his bit of Southend is a lot wetter than mine! Last year, our rainfall was recorded as 503.1mm whereas his was 573.6. It would appear that he's using precisely the same equipment that I am so I would guess that most of the difference is down to our respective locations: neither of our stations is set up in met office recommended situations.
For 2012, this chap has recorded 749mm already, which makes it the wettest year since he started, beating 2001.
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The closest weather station to us that I've found is in Chesham. A lot lot colder than us though - they had -1.9C on Tuesday night, but it's a well known frost hollow. Rain there is 799mm for the year to date, and 48.2mm this month. EDIT: And 9mm since midnight.
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Continuing the "last month was crap" theme,
TEMPERATURE (C), RAIN (mm), WIND SPEED (kph)
DEP. HEAT COOL
MEAN MEAN FROM DEG DEG MAX MAX MIN MIN
YR MO MAX MIN MEAN NORM DAYS DAYS HI DATE LOW DATE >=32.2 <=0 <=0 <=-17.8
---------------------------------------------------------------------------------------------
2011 10 17.8 11.1 14.1 1.4 231.1 14.0 28.8 1 3.5 20 0 0 0 0
2012 10 14.4 8.7 11.3 -1.4 379.7 0.0 17.8 17 2.1 28 0 0 0 0
2011 11 13.3 8.2 10.7 1.3 409.6 0.0 17.4 3 3.0 20 0 0 0 0
2012 11 11.2 5.6 8.2 -1.3 536.0 0.0 16.1 13 0.0 30 0 0 1 0
2011 12 9.5 4.7 7.2 1.2 626.0 0.0 13.4 22 -0.5 19 0 0 2 0
2012 12 7.3 0.8 3.9 -2.2 102.7 0.0 10.1 3 -1.6 2 0 0 2 0
shows the comparative temperatures for October, November and December 2011 and 2012. December 2012 is, obviously, work in progress, but I'm not holding out a lot of hope given the start we've had and the fact that northerly winds seem to have set in.
October and November 2011 were abnormally mild.
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ANNUAL CLIMATOLOGICAL SUMMARY for 2012
NAME: Tickfield House CITY: Southend-on-Sea STATE: Essex
ELEV: 20.1 m LAT: 51.5 N LONG: 0.7 E
TEMPERATURE (C), RAIN (mm), WIND SPEED (kph)
DEP. HEAT COOL
MEAN MEAN FROM DEG DEG MAX MAX MIN MIN
YR MO MAX MIN MEAN NORM DAYS DAYS HI DATE LOW DATE >=32.2 <=0 <=0 <=-17.8
---------------------------------------------------------------------------------------------
2012 01 9.5 4.3 6.9 0.7 637.1 0.0 13.9 21 -1.2 14 0 0 4 0
2012 02 7.9 2.3 4.8 -1.2 689.8 0.0 18.8 23 -6.5 11 0 0 12 0
2012 03 13.4 5.0 8.8 0.7 509.7 0.0 20.9 29 1.8 15 0 0 0 0
2012 04 13.5 5.4 9.0 -2.2 478.1 0.0 17.4 2 -0.7 6 0 0 1 0
2012 05 18.0 9.8 13.5 -0.6 254.6 6.2 26.7 30 4.7 16 0 0 0 0
2012 06 19.4 11.7 15.3 -0.4 163.5 13.3 27.8 28 6.5 13 0 0 0 0
2012 07 21.6 13.5 17.1 0.2 72.5 29.0 28.4 24 10.6 30 0 0 0 0
2012 08 23.6 15.3 18.8 0.7 20.4 81.7 32.6 18 7.6 31 1 0 0 0
2012 09 20.4 11.0 15.2 -0.7 165.7 23.4 29.4 9 6.3 22 0 0 0 0
2012 10 14.4 8.7 11.3 -1.4 379.7 0.0 17.8 17 2.1 28 0 0 0 0
2012 11 11.2 5.6 8.2 -1.3 536.0 0.0 16.1 13 0.0 30 0 0 1 0
2012 12 8.7 3.5 6.0 -0.1 683.0 0.0 12.8 23 -4.3 12 0 0 6 0
---------------------------------------------------------------------------------------------
15.1 8.0 11.3 -0.5 4589.9 153.6 32.6 AUG -6.5 FEB 1 0 24 0
PRECIPITATION (mm)
DEP. MAX ---DAYS OF RAIN---
FROM OBS. OVER
YR MO TOTAL NORM DAY DATE 0.254 2.54 25.4
---------------------------------------------------------
2012 01 38.4 -29.7 9.9 3 11 6 0
2012 02 14.6 -13.4 6.7 6 10 1 0
2012 03 18.5 4.2 5.5 4 6 4 0
2012 04 82.9 39.4 15.0 29 20 12 0
2012 05 40.8 12.6 9.1 1 13 7 0
2012 06 83.5 -7.8 13.4 3 16 11 0
2012 07 112.0 25.6 22.4 8 18 8 0
2012 08 24.8 -13.5 6.5 25 11 3 0
2012 09 46.3 14.5 22.8 23 9 5 0
2012 10 57.5 18.3 13.8 5 18 7 0
2012 11 51.0 9.4 8.7 26 13 7 0
2012 12 65.4 24.7 12.0 22 18 11 0
---------------------------------------------------------
635.8 84.3 22.8 SEP 163 82 0
WIND SPEED (kph)
DOM
YR MO AVG HI DATE DIR
----------------------------------
2012 01 6.2 61.2 4 WSW
2012 02 5.3 40.2 18 W
2012 03 3.9 45.1 5 WSW
2012 04 6.0 46.7 26 SW
2012 05 4.9 40.2 25 NNE
2012 06 6.5 48.3 8 SW
2012 07 4.4 35.4 16 SW
2012 08 4.3 37.0 29 SW
2012 09 4.4 41.8 24 WSW
2012 10 4.5 48.3 16 SW
2012 11 4.2 49.9 25 SW
2012 12 5.6 43.5 24 WSW
----------------------------------
5.0 61.2 JAN WSW
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Annual comparisons.
Temperature
DEP. HEAT COOL
MEAN MEAN FROM DEG DEG MAX MAX MIN MIN
YR MAX MIN MEAN NORM DAYS DAYS HI DATE LOW DATE >=32.2 <=0 <=0 <=-17.8
2011 16.1 8.9 12.3 0.5 3929.6 107.4 33.3 JUN -1.7 MAR 1 0 9 0
2012 15.1 8.0 11.3 -0.5 4589.9 153.6 32.6 AUG -6.5 FEB 1 0 24 0
Rainfall
DEP. MAX ---DAYS OF RAIN---
FROM OBS. OVER
YR TOTAL NORM DAY DATE 0.254 2.54 25.4
2011 503.1 -48.4 24.2 JUN 118 51 0
2012 635.8 84.3 22.8 SEP 163 82 0
Wind Speed
DOM
YR AVG HI DATE DIR
2011 5.1 53.1 DEC WSW
2012 5.0 61.2 JAN WSW
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Summary for 2012 from Eskdale - it was the wettest since records began, but I only have one year of data....
June 22 was quite damp.
Same weather station type as Wowbagger.
Ignore the wind data, the site is sheltered.
ANNUAL CLIMATOLOGICAL SUMMARY
NAME: MountainView CITY: Eskdale STATE: Cumbria
ELEV: 50 m LAT: 54° 24' 00" N LONG: 3° 18' 00" W
TEMPERATURE (°C), HEAT BASE 18.3, COOL BASE 18.3
DEP. HEAT COOL
MEAN MEAN FROM DEG DEG MAX MAX MIN MIN
YR MO MAX MIN MEAN NORM DAYS DAYS HI DATE LOW DATE >=32 <=0 <=0 <=-18
------------------------------------------------------------------------------------
12 1 7.3 3.3 5.4 0.0 400 0 10.2 3 -0.6 28 0 0 2 0
12 2 6.7 2.8 4.8 0.0 391 0 11.5 23 -3.3 3 0 0 9 0
12 3 11.8 5.9 8.8 0.0 296 0 19.1 25 0.7 6 0 0 0 0
12 4 11.3 4.3 7.7 0.0 318 0 16.8 30 -1.3 5 0 0 1 0
12 5 16.6 7.8 12.2 0.0 204 15 26.6 25 0.5 5 0 0 0 0
12 6 16.6 10.0 13.1 0.0 156 1 22.6 20 5.3 4 0 0 0 0
12 7 18.1 11.9 14.8 0.0 113 3 22.9 5 8.0 12 0 0 0 0
12 8 19.0 12.7 15.6 0.0 91 7 23.5 15 6.1 31 0 0 0 0
12 9 14.9 9.2 12.3 0.0 181 0 20.5 3 3.7 22 0 0 0 0
12 10 11.8 6.5 9.1 0.0 285 0 15.4 24 1.3 27 0 0 0 0
12 11 8.5 4.7 6.7 0.0 348 0 12.9 20 -1.1 29 0 0 3 0
12 12 6.9 2.8 5.0 0.0 412 0 10.8 23 -2.4 5 0 0 9 0
------------------------------------------------------------------------------------
12.5 6.8 9.6 0.0 3193 27 26.6 MAY -3.3 FEB 0 0 24 0
PRECIPITATION (mm)
DEP. MAX DAYS OF RAIN
FROM OBS. OVER
YR MO TOTAL NORM DAY DATE .2 2 20
---------------------------------------------
12 1 123.0 0.0 18.0 20 23 16 0
12 2 65.0 0.0 14.4 20 18 10 0
12 3 40.3 0.0 8.2 16 13 8 0
12 4 71.2 0.0 13.2 9 20 10 0
12 5 67.8 0.0 30.8 10 12 7 1
12 6 203.8 0.0 72.6 22 21 15 1
12 7 170.7 0.0 26.6 24 23 17 1
12 8 206.0 0.0 30.6 6 25 16 3
12 9 176.4 0.0 34.0 30 24 16 2
12 10 163.8 0.0 31.0 28 24 17 2
12 11 136.0 0.0 27.0 22 26 19 1
12 12 172.7 0.0 26.4 20 28 18 2
---------------------------------------------
1596.8 0.0 72.6 JUN 257 169 13
WIND SPEED (m/s)
DOM
YR MO AVG. HI DATE DIR
---------------------------------
12 1 1.2 16.5 4 WNW
12 2 0.8 11.2 18 WNW
12 3 0.7 12.1 7 WNW
12 4 1.2 13.9 3 WNW
12 5 1.0 11.2 11 WNW
12 6 1.0 12.5 15 WNW
12 7 0.5 12.5 6 WNW
12 8 0.7 11.6 15 ESE
12 9 0.9 10.3 24 WNW
12 10 0.7 11.6 16 WNW
12 11 0.7 12.1 22 WNW
12 12 1.2 14.8 19 WNW
---------------------------------
0.9 16.5 JAN WNW
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Today felt positively balmy.
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Today felt positively balmy.
The birds are loving it. There's a blackbird that's been singing its heart out every night this week, somewhere nearby - even at 2am. Makes a nice change from the cockerels crowing, from the council estate t'other side of the main road ::-).
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Summary for 2012 from Eskdale - it was the wettest since records began, but I only have one year of data....
June 22 was quite damp.
Same weather station type as Wowbagger.
Ignore the wind data, the site is sheltered.
ANNUAL CLIMATOLOGICAL SUMMARY
NAME: MountainView CITY: Eskdale STATE: Cumbria
ELEV: 50 m LAT: 54° 24' 00" N LONG: 3° 18' 00" W
TEMPERATURE (°C), HEAT BASE 18.3, COOL BASE 18.3
DEP. HEAT COOL
MEAN MEAN FROM DEG DEG MAX MAX MIN MIN
YR MO MAX MIN MEAN NORM DAYS DAYS HI DATE LOW DATE >=32 <=0 <=0 <=-18
------------------------------------------------------------------------------------
12 1 7.3 3.3 5.4 0.0 400 0 10.2 3 -0.6 28 0 0 2 0
12 2 6.7 2.8 4.8 0.0 391 0 11.5 23 -3.3 3 0 0 9 0
12 3 11.8 5.9 8.8 0.0 296 0 19.1 25 0.7 6 0 0 0 0
12 4 11.3 4.3 7.7 0.0 318 0 16.8 30 -1.3 5 0 0 1 0
12 5 16.6 7.8 12.2 0.0 204 15 26.6 25 0.5 5 0 0 0 0
12 6 16.6 10.0 13.1 0.0 156 1 22.6 20 5.3 4 0 0 0 0
12 7 18.1 11.9 14.8 0.0 113 3 22.9 5 8.0 12 0 0 0 0
12 8 19.0 12.7 15.6 0.0 91 7 23.5 15 6.1 31 0 0 0 0
12 9 14.9 9.2 12.3 0.0 181 0 20.5 3 3.7 22 0 0 0 0
12 10 11.8 6.5 9.1 0.0 285 0 15.4 24 1.3 27 0 0 0 0
12 11 8.5 4.7 6.7 0.0 348 0 12.9 20 -1.1 29 0 0 3 0
12 12 6.9 2.8 5.0 0.0 412 0 10.8 23 -2.4 5 0 0 9 0
------------------------------------------------------------------------------------
12.5 6.8 9.6 0.0 3193 27 26.6 MAY -3.3 FEB 0 0 24 0
PRECIPITATION (mm)
DEP. MAX DAYS OF RAIN
FROM OBS. OVER
YR MO TOTAL NORM DAY DATE .2 2 20
---------------------------------------------
12 1 123.0 0.0 18.0 20 23 16 0
12 2 65.0 0.0 14.4 20 18 10 0
12 3 40.3 0.0 8.2 16 13 8 0
12 4 71.2 0.0 13.2 9 20 10 0
12 5 67.8 0.0 30.8 10 12 7 1
12 6 203.8 0.0 72.6 22 21 15 1
12 7 170.7 0.0 26.6 24 23 17 1
12 8 206.0 0.0 30.6 6 25 16 3
12 9 176.4 0.0 34.0 30 24 16 2
12 10 163.8 0.0 31.0 28 24 17 2
12 11 136.0 0.0 27.0 22 26 19 1
12 12 172.7 0.0 26.4 20 28 18 2
---------------------------------------------
1596.8 0.0 72.6 JUN 257 169 13
WIND SPEED (m/s)
DOM
YR MO AVG. HI DATE DIR
---------------------------------
12 1 1.2 16.5 4 WNW
12 2 0.8 11.2 18 WNW
12 3 0.7 12.1 7 WNW
12 4 1.2 13.9 3 WNW
12 5 1.0 11.2 11 WNW
12 6 1.0 12.5 15 WNW
12 7 0.5 12.5 6 WNW
12 8 0.7 11.6 15 ESE
12 9 0.9 10.3 24 WNW
12 10 0.7 11.6 16 WNW
12 11 0.7 12.1 22 WNW
12 12 1.2 14.8 19 WNW
---------------------------------
0.9 16.5 JAN WNW
Interesting that just up the road near Seascale (very close to the coast) we had nearly 250mm less rain
2012 Total Rain Max Temp* Ave Temp Min Temp* Ave Wind Ave Wind Ave Wind
(mm) (degC) (degC) (degC) Speed (m/s) Speed (mph) Dir (deg)
---------------------------------------------------------------------------------------------
Jan 109.60 8.92 5.87 1.35 5.13 11.47 203.2 SSW
Feb 45.20 9.26 4.96 -0.04 3.49 7.80 178.5 S
Mar 28.40 13.29 8.37 4.64 3.01 6.73 197.3 SSW
Apr 42.20 13.15 7.38 4.08 3.83 8.57 188.9 S
May 58.00 21.70 11.10 5.43 3.03 6.77 207.8 SSW
Jun 189.80 15.72 12.80 9.80 3.88 8.69 196.4 SSW
Jul 150.60 17.33 14.29 12.42 3.40 7.61 198.3 SSW
Aug 179.60 18.94 15.65 11.61 3.58 8.01 171.8 S
Sep 115.40 15.95 12.89 8.32 4.95 11.06 229.1 SW
Oct 147.00 12.80 9.52 3.33 3.53 7.90 181.4 S
Nov 154.40 11.53 7.39 1.05 4.35 9.73 173.6 S
Dec 131.60 8.79 5.43 0.33 4.76 10.65 176.9 S
---------------------------------------------------------------------------------------------
Year 1351.80 21.70 9.64 -0.04 3.91 8.75 191.9 SSW
Varience 288.13 -0.59 -0.34 -0.76 2.7
* Refers to 24hr period average temperature
Collected from a site weather station and relayed to me as daily values, so not to quite the same resolution as Wow and ads for things like temperature
-
I'm having problems with my googlefoo, can some one point me in the right direction of a site that will give me the average weather for the UK,
hours of sunshine, min max rainfall and all that sort of stuff :)
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I'm not sure if they list them explicitly, but they should be hidden in here somewhere: -
http://www.metoffice.gov.uk/climate/uk/
-
I'm having problems with my googlefoo, can some one point me in the right direction of a site that will give me the average weather for the UK,
hours of sunshine, min max rainfall and all that sort of stuff :)
A lot of the time they express the current year in terms of the percentage of the annual average, which doesn't help a lot: a year in Fort William in which 36 inches of rain fell would be half the annual average. 36 inches of rain falling on Southend in a year would be almost double the annual average.
http://www.metoffice.gov.uk/climate/uk/averages/ukmapavge.html is an excellent resource.
Edit: you can even see climate change on that map! Select "Mean Temperature", any month and then toggle from 1961-1990, 1971-2000 and 1981-2010. The colour changes over each 10-year range change is quite dramatic.
-
Looking at the mean temperatures for the start of this year, it's even colder than last!
| Jan | Feb |
| 2011 | 5.4 | 7.3 |
| 2012 | 6.9 | 4.8 |
| 2013 | 4.7 | 4.5 |
January 2013 was the coldest month I've recorded in terms of mean temperature (half-hourly readings) and so far, February is colder still. No wonder we are all getting fed up with this bloody weather!
-
Well, last month started cold and got colder!
http://tickfield.thewalkers.org.uk/weather/NOAA/NOAA-2013-02.txt
A final mean temperature of 3.8°C - yet there were only 5 frosts. Extraordinary.
The four days beginning 21st Feb summed the month up: daily mean temperatures of 1.7, 1.0, 0.8 and 1.7°C and a minimum temperature of 0°C over the same four days.
Without wishing ill on the good fold of Stornoway (hello Windy!) I rather resent it when they have hours of sunshine and a maximum temperature of 9°C whereas Southend has unbroken sullen cloud and a maximum of 2 or 3°C. It's like living in a gulag.
-
And meanwhile, in between other distractions, I've acquired a B-grade WS-1080 clone from Craplin, repaired the bearing in the wind vane, supplied a several of missing screws and attached it to the top of our crumbling outside toilet.
Astoundingly, the radio link is strong enough to reach the server rack, so:
(http://banners.wunderground.com/cgi-bin/banner/ban/wxBanner?bannertype=pws250_both&weatherstationcount=IWESTMID36) (http://www.wunderground.com/weatherstation/WXDailyHistory.asp?ID=IWESTMID36)
I'd take the wind readings with a vary large pinch of salt. It's an urban area at the bottom of a valley with buildings suboptimally close on two sides. The temperature readings seem much more accurate than my DS1820-hanging-out-a-window, which is nice, and the rain gauge works. No idea what the random pressure glitches are about.
-
23.6 dec C yesterday in our garden, which was higher than the Met Office's maximum as quoted on Radio 4.
-
Oooh. Clever Kim. Let's see if I can do that ...
(http://banners.wunderground.com/cgi-bin/banner/ban/wxBanner?bannertype=pws250_both&weatherstationcount=ILONDONL10) (http://www.wunderground.com/weatherstation/WXDailyHistory.asp?ID=ILONDONL10)
It works!
My connectivity has been patchy so far this year, but I'm up at the moment.
-
All this talk of cool, wet summers is wide of the mark: this year has been cool, dry and windy.
http://tickfield.thewalkers.org.uk/weather/NOAA/NOAA-2013.txt refers.
So far, this month's mean temperature has been almost a degree lower than last June's but there has been about a quarter of the rain.
-
Not bad, considering the sun is close to maximum on its 11 year cycle.
-
I noticed that the weather station had recorded non-stop rain today, which is bollocks. The hole in the rain gauge had become blocked. Dez has just been up there and has poked it with a bicycle spoke to drain the water out. It has, of course, now given us a false reading telling us that the highest ever rain rate was today at 288mm per hour.
The previous highest it had recorded was 221mm per hour, on 29th July 2012. There was a half-hour spell that day in which 8.8mm rain fell, so that 221mm is a plausible figure.
-
Today is the second wettest we have recorded, currently at 28.6mm. About half of that fell between 4.30 and 6pm.
The wettest day we have recorded was 24th Aug, at 64mm*. Between them, these two days constitute about 25% of the total rainfall this year. During the rest of the time, even during the dreadfully wet 2012, we didn't have a single day when more than 1 inch of rain fell.
*24th August this year was almost certainly the wettest day in Essex for more than 50 years. My brother informs me that, in the entire period he worked for the Essex Water Company (1968-2010), none of their rain gauges ever recorded so much in one day.
-
My rain gauge appears to have stopped working. There's probably a spider nesting in it or something. Not looking now, because it's pish out there.
-
My weather station has been broadcasting for 3 years now.
http://tickfield.thewalkers.org.uk/weather/almanac.htm
2013 has been the coldest year we have recorded. It has also been the driest - although of course that could change if the last 10 days of the year are particularly wet. I'm not expecting the mean temperature to do anything other than go down a bit more by the end of the year.
-
According to someone on Metcheck, the AO and NAO (The Arctic Oscillation (AO) and North Atlantic Oscillation (NAO)) are rapidly changing to a negative state thereby being set to facilitate blocking of nice warm prevailing winds, introducing arctic northerlies and thereby production of the white stuff in Jan and Febr. How do our weather buffs feel about this as a forecast? This has possible implications for YACF week ends in high up and/or exposed places.
-
ISTR the same lot were predicting a cold/wet summer again this year. July and August were (mostly) warm and dry, each boasting a mean temp in excess of 19°C and a mean max in excess of 24°C. The only real contradiction in that was that 25th August 2013 was probably the wettest day in S. Essex in living memory, 64mm falling in 24 hours. The other 30 days in August yielded a mere 26mm, well below average even for arid Essex.
Just checking, we have had 508.3 mm rain this year, 97.3 mm of which fell on 2 days, 25th Aug and 11th Oct. I'll publish the full figures for 2014 as soon after midnight as they are available.
-
ANNUAL CLIMATOLOGICAL SUMMARY for 2013
NAME: Tickfield House CITY: Southend-on-Sea STATE: Essex
ELEV: 20.1 m LAT: 51.5 N LONG: 0.7 E
TEMPERATURE (C), RAIN (mm), WIND SPEED (kph)
DEP. HEAT COOL
MEAN MEAN FROM DEG DEG MAX MAX MIN MIN
YR MO MAX MIN MEAN NORM DAYS DAYS HI DATE LOW DATE >=32.2 <=0 <=0 <=-17.8
---------------------------------------------------------------------------------------------
2013 01 6.7 2.8 4.7 -1.0 760.1 0.0 12.9 30 -4.5 17 0 0 10 0
2013 02 6.1 1.5 3.8 -1.5 732.2 0.0 12.3 14 -2.2 19 0 0 5 0
2013 03 6.4 1.1 3.6 -3.0 812.7 0.0 15.6 5 -2.4 31 0 0 13 0
2013 04 12.9 4.9 8.5 -1.7 509.5 0.0 23.6 25 -1.3 7 0 0 4 0
2013 05 16.6 7.9 11.9 -1.4 340.0 0.0 22.2 26 2.6 2 0 0 0 0
2013 06 19.6 11.4 15.1 -0.4 167.5 13.2 28.9 19 6.1 4 0 0 0 0
2013 07 24.5 15.0 19.3 1.6 19.6 98.0 30.1 15 10.8 12 0 0 0 0
2013 08 24.1 15.0 19.1 0.6 8.2 77.2 32.0 1 11.2 8 0 0 0 0
2013 09 19.4 11.9 15.2 -0.5 162.7 17.8 29.0 5 8.3 15 0 0 0 0
2013 10 16.5 10.8 13.3 0.4 259.1 0.0 22.7 8 5.8 16 0 0 0 0
2013 11 10.5 5.1 7.6 -1.2 569.8 0.0 15.8 2 -0.2 20 0 0 1 0
2013 12 9.9 5.0 7.4 0.9 607.0 0.0 12.1 16 -0.2 11 0 0 1 0
---------------------------------------------------------------------------------------------
14.4 7.7 10.8 -0.6 4948.4 206.1 32.0 AUG -4.5 JAN 0 0 34 0
PRECIPITATION (mm)
DEP. MAX ---DAYS OF RAIN---
FROM OBS. OVER
YR MO TOTAL NORM DAY DATE 0.254 2.54 25.4
---------------------------------------------------------
2013 01 33.1 -9.4 8.5 22 14 5 0
2013 02 21.9 -4.1 6.1 1 8 4 0
2013 03 28.4 9.4 10.6 8 13 3 0
2013 04 27.0 -11.0 6.1 11 9 4 0
2013 05 33.9 3.8 8.5 28 10 5 0
2013 06 24.0 -44.9 5.5 20 8 5 0
2013 07 26.4 -40.0 11.6 23 6 3 0
2013 08 90.4 34.7 64.0 24 7 4 1
2013 09 39.2 4.9 13.2 17 7 4 0
2013 10 81.3 28.0 33.3 11 16 9 1
2013 11 50.0 5.6 7.9 3 16 8 0
2013 12 53.4 9.5 10.2 23 18 7 0
---------------------------------------------------------
509.1 -13.3 64.0 AUG 132 61 2
WIND SPEED (kph)
DOM
YR MO AVG HI DATE DIR
----------------------------------
2013 01 5.3 51.5 31 WSW
2013 02 6.0 45.1 3 NE
2013 03 6.2 45.1 12 NE
2013 04 6.7 46.7 18 NE
2013 05 5.2 48.3 9 W
2013 06 5.6 43.5 22 NNE
2013 07 4.6 35.4 29 ENE
2013 08 4.1 37.0 17 WSW
2013 09 3.7 38.6 16 WSW
2013 10 4.6 46.7 27 SW
2013 11 3.7 41.8 2 W
2013 12 5.8 59.5 24 SW
----------------------------------
5.1 59.5 DEC WSW
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It has struck me how much colder Maidstone seems to be than Southend. A few times recently I have travelled south quite early in the morning. A fortnight or so ago we left Southend at 7 am and the car was soaked in dew. The temperature was about 7°C. We arrived in Maidstone soon after 8.30 and all the cars were covered in frost. This lingered all day in the shade in the Medway valley.
Yesterday was similar - a hard frost on all the cars at about 9 am when I took my grand-daughter to nursery yet our device in Southend recorded a minimum temperature of 4.2°C. Our local Met Office place in Shoebury, some 5 miles away, was 3.9°C whereas the minimum in Maidstone was 1.3°C.
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I think I'm going to have to check my rain gauge. It has recorded only 12.4mm rain this month, compared to >100mm recorded by my brother in Shropshire. Even last Sunday, tipped to be a Very Wet Day by the Met Office, it recorded only 0.2mm rain. The gauge was working very well in December, recording 53mm or so quite happily. I think this month, locally, has been a lot drier than the national norm, and of course even though we've had no properly cold weather (only about 4 hours this month in which the temperature has dipped below freezing) none of the waterlogging as a result of last year's deluges has evaporated.
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Well, I have checked the rain gauge and it has no water in it and is clear of obstructions. The tipping bucket may need a clean. I think I'll wait for Dez to return as he's better up a ladder than I am.
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Well, it's raining now and measuring the rain well enough. It seems that this month has actually been remarkably dry in the sense that there has been about 25% of the normal January average, but because everything was waterlogged at the start of the month, that little that there has been has just kept everything wetter than will evaporate at this time of year.
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But that doesn't take this morning's experience into account.
It's been raining steadily since quite some time before I got up an hour ago and no rain has been recorded by the device. Bugger. When I checked the rain gauge last night I left an empty bean can outside as a control and that's got a fair bit of water in it. I reckon the last 24 hours have deposited the best part of a centimetre of rain and my stupid bloody rain gauge has measured only a fraction of it. I repeat, bugger!
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Tippy bucket bearing sticking? Bat flatteries? Mysterious intermittent electronic fault?
(Mine hasn't worked for some time. I lack the enthusiasm for going outside and working out why.)
-
It has been raining here all day and is still raining :hand:.
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Ah, of course. It's the weather that's broken.
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Tippy bucket bearing sticking? Bat flatteries? Mysterious intermittent electronic fault?
(Mine hasn't worked for some time. I lack the enthusiasm for going outside and working out why.)
There was a small piece of twig fouling the tipping bucket. Dez removed it and it seems to be working again. gthat's buggered the statistics for January though. I think it was OK throughout December.
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I think Wow's temp dial is borkened
(http://tickfield.thewalkers.org.uk/weather/tempdial.png)
It's been saying 15.6 for a few days.
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We've been having some problems with the data/software.
I'm pretty sure that the machine on the roof is working OK and so is the console in the house. It seems to be the conversation the console is having with the sheeva plug/hard disc combination.
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I have a nice little design and technology project - weather station and web-cam at park head station https://goo.gl/maps/D2HHN (https://goo.gl/maps/D2HHN) which will involve 9and I hope educate) three bright youngsters.
Terry (park head owner) is keen and I expect him to cover cost+ . That means we need a reliable product. As we also need something to design and build we need at least one raspberry-pi in the mix. (I notice that you can now buy a box that 'just serves it to the www' - but that is not quite the point of the exercise.
Design outline is Raspberry pi running weewx with battery backup and shut-down when mains power is lost. This adds to reliability and is useful practice with power, analogue and interface design - will include embedded controller to monitor battery Volts control shut down and restart. Data served to off site backup - that will give plenty of design and development plus remote monitoring ssh, email alerts and general hacking practice (one of the trainees is 80% blind and is already happy working at the command prompt).
Having played around with Weewx and a Davis weather station I found the usb interface touchy. This won't do for something we want to fit and forget.
So who can recommend robust wireless remote wind, rain and temperature sensors that can easily and reliably be integrated. not actually sure we need a local display, we could just serve the data onto the lan.
Await your interest..
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Have you tried this bunch?
https://www.colweather.org.uk/index.php
I'm a member of COL and since January I have been submitting my result for their monthly bulletin.
I would imagine that they would be able to answer all your questions.
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Forecasting simplified.
(http://i1293.photobucket.com/albums/b581/polyhive1/DSCN3479_zpse865021b.jpg)
Just couldn't resist. And yes it has blown away! Complete with fence.
PH
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Twas a tad damp in Southend last night with some severe flooding in the front areas. Hope WB household is ok.
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No reports of problems thanks, Bob.
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Just got the data in for September from our site weather station.
In the whole month we received only 16.8 mm of rain, which is the driest month I have recorded (My dataset goes back to 2005)
This means that, despite the very wet winter and spring we had, rainfall is now within 9mm of average for the YTD.
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That's quite funny: our figure from the manually-emptied rain gauge, as opposed to the electronic one, was 50mm, almost all of which fell in 1 hour.
Southend is probably the driest town in the country.
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I have just submitted our records to the Climatological Observers' Link. Whereas there have been reports of this year's September being the driest on record, for us it was the wettest, with 50mm rain falling in about an hour between 8 and 9 pm on 19th. The total rainfall I recorded was 54mm, so without that storm it would have been the driest. We have only been keeping records since December 2010.
Surprisingly, it was not the warmest: the mean temperature was 16.3°C, compared to 16.7°C in September 2011.
-
Local rag ran this http://nw3weather.co.uk/news.php#post-20141116 (http://nw3weather.co.uk/news.php#post-20141116) story about our Hampstead chap. He's 23, which makes me feel very old...
-
Minimum temperature of 0.6 deg C at 8.05 am. I have recorded just two frosts this year.
-
Here in Southampton we have -1.5 at 9.20
-
Our Edgware outhouses are consistently colder than the Hampstead weather station.
David's observatory padlocks have frozen twice overnight.
Observatory temperature was -1.2C at 01.30.
-
Our frost was quite severe today. -3c in the greenhouse last night. Hoar frost still on the road at 10:00, and I had quite a job scraping the windscreen at 11:00. Some shaded areas haven't thawed all day..
-
We have had technical problems with our Sheeva (sp?) plug and today Dez has replaced it with a raspberry pi. Everything seems to be up and running nicely.
http://tickfield.thewalkers.org.uk/weather/
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One day before the fifth anniversary of us taking delivery of the weather station, we have replaced the 123A lithium battery which provides power when the solar-powered capacitor can't cope. That's not bad considering, IIRC, the blurb suggested replacing the battery every two years. It was only the day before yesterday that the device complained with a low battery warning.
-
Some end of year stats:-
MONTHLY CLIMATOLOGICAL SUMMARY for DEC 2015
NAME: Tickfield House CITY: Southend-on-Sea STATE: Essex
ELEV: 20.1 m LAT: 51.5 N LONG: 0.7 E
TEMPERATURE (C), RAIN (mm), WIND SPEED (kph)
HEAT COOL AVG
MEAN DEG DEG WIND DOM
DAY TEMP HIGH TIME LOW TIME DAYS DAYS RAIN SPEED HIGH TIME DIR
---------------------------------------------------------------------------------------
01 10.6 14.4 13:30 8.6 02:17 12.2 0.0 1.6 3.5 30.6 11:00 SW
02 11.8 12.7 13:00 11.3 02:30 11.4 0.0 0.0 6.3 30.6 15:30 SW
03 11.7 12.3 23:30 11.2 16:00 11.9 0.0 0.4 6.7 33.8 20:00 SSW
04 10.1 12.8 00:30 6.7 06:30 15.5 0.0 1.8 8.8 37.0 21:30 WSW
05 11.7 12.3 22:30 11.3 08:00 11.7 0.0 0.0 13.8 48.3 12:00 WSW
06 12.7 14.2 11:30 12.2 00:00 9.2 0.0 0.2 9.8 49.9 00:30 WSW
07 12.2 13.6 10:00 11.1 18:00 10.8 0.0 0.0 4.0 24.1 20:30 S
08 11.2 13.3 12:30 7.6 23:30 14.2 0.0 2.4 6.1 25.7 13:30 SW
09 10.5 11.9 14:06 5.1 07:00 17.7 0.0 0.0 7.7 33.8 20:00 SW
10 10.9 11.6 11:15 9.9 23:19 13.6 0.0 3.4 8.1 33.8 08:30 SW
11 9.3 10.7 12:45 5.9 23:59 18.0 0.0 0.6 6.0 33.8 13:07 WSW
12 9.7 12.9 21:12 5.8 00:10 16.2 0.0 0.2 8.1 43.5 17:00 WSW
13 8.1 12.7 00:15 6.3 05:15 15.9 0.0 2.2 1.9 25.7 00:00 ESE
14 8.6 9.5 13:30 7.8 06:30 17.5 0.0 2.0 3.0 19.3 05:51 SSE
15 10.5 12.4 23:58 8.9 00:13 13.8 0.0 3.6 3.1 16.1 15:00 SSE
16 13.2 15.1 13:37 12.2 07:36 8.5 0.0 0.8 6.3 30.6 13:00 SW
17 12.9 14.4 14:10 10.9 23:59 10.2 0.0 0.4 5.1 24.1 07:00 SW
18 11.9 13.8 12:38 10.2 02:42 11.4 0.0 0.0 4.5 24.1 22:30 SW
19 13.9 16.4 12:36 12.5 00:20 7.0 0.0 0.0 6.6 29.0 12:00 SSW
20 12.2 13.6 00:39 9.7 23:37 12.0 0.0 0.4 6.9 29.0 05:30 SW
21 10.1 12.3 17:59 8.1 08:29 14.7 0.0 1.6 8.2 38.6 12:30 SW
22 13.5 14.9 14:29 10.9 00:00 9.7 0.0 1.0 12.8 48.3 06:30 SW
23 10.6 12.2 13:47 9.5 08:47 13.5 0.0 0.2 7.9 33.8 07:30 SW
24 10.2 13.3 10:57 6.9 20:28 14.8 0.0 1.2 8.5 40.2 09:00 SW
25 10.6 14.4 20:40 7.0 03:03 13.8 0.0 0.2 7.2 37.0 20:30 SW
26 14.0 14.7 01:17 13.1 20:03 8.0 0.0 0.0 10.3 38.6 01:00 SW
27 13.4 14.0 14:28 11.7 23:51 9.9 0.0 0.0 8.0 33.8 02:00 SW
28 11.0 13.0 10:26 8.8 08:40 13.3 0.0 0.0 4.7 22.5 17:30 SSE
29 11.1 12.6 01:11 9.6 20:48 13.1 0.0 0.0 5.2 29.0 22:38 S
30 11.6 12.7 12:41 9.9 22:12 12.6 0.0 2.8 10.9 46.7 13:30 SSE
31 9.1 11.5 13:25 6.1 23:54 17.2 0.0 3.4 8.7 40.2 06:00 SW
---------------------------------------------------------------------------------------
11.3 16.4 19 5.1 9 399.1 0.0 30.4 7.1 49.9 6 SW
Max >= 32.2: 0
Max <= 0.0: 0
Min <= 0.0: 0
Min <= -17.8: 0
Max Rain : 3.6 mm ON 12/15/2015
Days of Rain: 17 (> 0.254 mm) 4 (> 2.54 mm) 0 (> 25.4 mm)
December records over the past 5 years:-
HEAT COOL AVG
MEAN DEG DEG WIND DOM
YEAR TEMP HIGH TIME LOW TIME DAYS DAYS RAIN SPEED HIGH TIME DIR
2011 7.2 13.4 22 -0.5 19 626.0 0.0 52.0 7.7 53.1 8 WSW
2012 6.0 12.8 23 -4.3 12 683.0 0.0 65.4 5.6 43.5 24 WSW
2013 7.4 12.1 16 -0.2 11 607.0 0.0 53.4 5.8 59.5 24 SW
2014 6.5 13.7 18 -0.1 30 643.0 0.0 32.2 6.3 48.3 10 WSW
2015 11.3 16.4 19 5.1 9 399.1 0.0 30.4 7.1 49.9 6 SW
2015 year summary:-
ANNUAL CLIMATOLOGICAL SUMMARY for 2015
NAME: Tickfield House CITY: Southend-on-Sea STATE: Essex
ELEV: 20.1 m LAT: 51.5 N LONG: 0.7 E
TEMPERATURE (C), RAIN (mm), WIND SPEED (kph)
DEP. HEAT COOL
MEAN MEAN FROM DEG DEG MAX MAX MIN MIN
YR MO MAX MIN MEAN NORM DAYS DAYS HI DATE LOW DATE >=32.2 <=0 <=0 <=-17.8
---------------------------------------------------------------------------------------------
2015 01 8.5 2.7 5.7 -0.3 712.4 0.0 15.1 9 -2.7 20 0 0 6 0
2015 02 8.2 2.5 5.1 -0.6 652.9 0.0 11.7 25 -1.4 2 0 0 3 0
2015 03 11.7 4.5 7.8 0.4 571.7 0.0 16.8 8 1.3 25 0 0 0 0
2015 04 15.3 5.8 10.2 -0.4 419.2 0.0 26.8 15 2.7 7 0 0 0 0
2015 05 18.1 9.1 13.2 -0.2 266.9 0.6 24.4 11 4.1 2 0 0 0 0
2015 06 21.3 11.9 16.4 0.4 116.8 24.5 27.9 26 7.1 9 0 0 0 0
2015 07 23.6 14.5 18.7 0.4 37.3 77.4 31.5 1 9.1 31 0 0 0 0
2015 08 22.7 14.5 18.2 0.0 35.2 50.8 28.6 22 10.8 17 0 0 0 0
2015 09 18.5 10.5 14.2 -1.3 205.2 0.0 22.6 20 6.8 26 0 0 0 0
2015 10 15.3 9.4 12.2 -0.9 332.6 0.0 19.1 6 5.1 25 0 0 0 0
2015 11 13.3 8.5 10.9 1.4 401.5 0.0 17.5 7 -1.1 22 0 0 2 0
2015 12 13.1 9.3 11.3 3.8 399.1 0.0 16.4 19 5.1 9 0 0 0 0
---------------------------------------------------------------------------------------------
15.8 8.6 12.0 0.2 4150.9 153.3 31.5 JUL -2.7 JAN 0 0 11 0
PRECIPITATION (mm)
DEP. MAX ---DAYS OF RAIN---
FROM OBS. OVER
YR MO TOTAL NORM DAY DATE 0.254 2.54 25.4
---------------------------------------------------------
2015 01 54.4 12.4 15.4 3 16 6 0
2015 02 25.2 -7.7 4.6 16 13 3 0
2015 03 21.4 2.1 3.6 15 9 4 0
2015 04 15.6 -17.1 5.2 26 7 2 0
2015 05 46.6 6.5 12.2 14 11 7 0
2015 06 20.4 -27.4 11.8 5 6 2 0
2015 07 36.4 -21.9 11.6 24 12 6 0
2015 08 50.8 -4.2 16.0 24 11 6 0
2015 09 43.0 6.9 12.0 16 12 5 0
2015 10 22.2 -28.3 7.4 28 10 2 0
2015 11 42.8 -5.7 5.6 5 16 7 0
2015 12 30.4 -9.3 3.6 15 17 4 0
---------------------------------------------------------
409.2 -93.7 16.0 AUG 140 54 0
WIND SPEED (kph)
DOM
YR MO AVG HI DATE DIR
----------------------------------
2015 01 6.3 59.5 9 WSW
2015 02 4.8 45.1 1 W
2015 03 6.1 61.2 31 WSW
2015 04 5.2 41.8 1 ENE
2015 05 5.8 53.1 5 WSW
2015 06 5.1 51.5 2 WSW
2015 07 4.7 37.0 27 WSW
2015 08 3.7 37.0 26 SW
2015 09 3.4 37.0 30 WSW
2015 10 2.6 35.4 14 NE
2015 11 6.5 57.9 17 WSW
2015 12 7.1 49.9 6 SW
----------------------------------
5.1 61.2 MAR WSW
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Great detailed set reports Wow :thumbsup:
You don`t get much rain do you ! my rough rainfall gauge (ie just a gardeners raingauge funnel) readings @ LD8 Welsh Marches area elev 220m asl had us on 226mm rain in December ::-) ::-)
and already at 20mm for January :( that`s now (12 noon) shot up to 35mm after this mornings deluge, roads totally awash masses water running off fields, road back home a 100m , 20 cm deep lake (and that's just runoff water no river flooding)
But cf 2010 December here was approx. 10c average higher, and Boxing Day 25c less cold than equiv on 2010.
Amazing variation across the years
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I think my rain gauge under-reports. When we had that terribly wet December a year or two ago I couldn't work out why it was recording so low, and on inspection there was a twig stuck in the rocking mechanism. Even when it's working properly (which so far as I know has been all of 2015) I think it reads about 20% below the level of the proper rain gauge I have in the garden a few metres away. This could be as a result of the positioning. The weather station is on the roof of a first-floor extension and probably receives some protection from a yew tree in next door's garden. Having said that, Southend is probably, year-on-year, the driest large town in the UK. Great Wakering, about 5 miles away, has been in some 30 year periods, the driest place in the UK that provides data to the official records.
Of course, we do get some very wet days. I present for your delectation September 2014.
MONTHLY CLIMATOLOGICAL SUMMARY for SEP 2014
NAME: Tickfield House CITY: Southend-on-Sea STATE: Essex
ELEV: 20.1 m LAT: 51.5 N LONG: 0.7 E
TEMPERATURE (C), RAIN (mm), WIND SPEED (kph)
HEAT COOL AVG
MEAN DEG DEG WIND DOM
DAY TEMP HIGH TIME LOW TIME DAYS DAYS RAIN SPEED HIGH TIME DIR
---------------------------------------------------------------------------------------
01 16.7 21.1 12:08 13.2 05:09 2.1 0.0 0.0 2.5 19.3 12:00 WSW
02 16.3 19.4 14:03 13.6 06:19 3.3 0.0 0.0 3.2 17.7 15:00 NE
03 16.8 21.4 15:06 13.0 03:46 2.0 0.0 0.2 4.3 25.7 16:30 ENE
04 17.1 21.5 13:10 13.3 05:46 1.7 0.0 0.2 2.9 17.7 10:00 NE
05 17.3 21.2 16:31 15.2 00:10 0.3 0.0 0.0 1.1 16.1 15:00 NNE
06 17.2 21.2 14:13 13.7 03:53 1.7 0.0 0.0 0.5 11.3 13:30 NNW
07 16.5 22.8 15:53 12.5 05:21 1.2 0.0 0.0 1.4 16.1 20:30 NNE
08 15.7 21.7 12:25 10.3 06:25 4.2 0.0 0.0 1.3 16.1 13:00 E
09 15.2 19.6 14:33 10.8 06:41 5.7 0.0 0.0 2.1 17.7 12:30 ENE
10 14.6 19.9 14:32 10.3 06:45 5.8 0.0 0.0 3.6 24.1 11:00 ENE
11 15.6 20.7 15:20 10.9 00:44 4.5 0.0 0.0 3.9 24.1 17:00 NNE
12 16.0 20.5 15:31 12.0 06:39 3.8 0.0 0.0 3.9 22.5 14:30 NE
13 15.8 20.3 14:16 12.6 03:51 3.4 0.0 0.0 5.1 30.6 17:00 NE
14 16.0 19.7 15:15 12.6 01:39 3.9 0.0 0.2 6.2 29.0 14:30 NE
15 15.7 21.2 14:06 11.4 06:23 3.6 0.0 0.2 1.8 16.1 14:00 NE
16 17.8 22.3 14:23 14.0 00:00 0.3 0.0 0.0 4.1 19.3 21:30 NE
17 17.3 20.4 14:12 15.1 23:56 1.1 0.0 0.0 4.9 20.9 14:00 NE
18 18.4 23.1 13:53 14.6 01:43 0.0 0.9 0.0 4.6 20.9 16:00 NE
19 18.3 22.8 15:59 15.1 21:52 0.0 1.1 32.4 2.6 16.1 21:00 NE
20 17.2 19.8 12:48 15.3 22:42 1.4 0.0 0.2 2.1 17.7 17:30 NE
21 14.7 18.4 13:55 11.6 23:30 6.0 0.0 0.0 4.3 29.0 04:30 NNE
22 13.4 20.0 16:15 8.3 07:08 7.5 0.0 0.0 1.0 14.5 11:30 N
23 14.7 20.4 14:05 10.2 05:50 5.5 0.0 0.0 2.5 19.3 13:30 WSW
24 14.8 19.8 14:28 11.6 23:58 4.8 0.0 0.8 4.2 25.7 13:30 W
25 14.5 20.8 14:52 8.8 06:42 6.3 0.0 0.0 4.5 24.1 13:30 WSW
26 17.6 21.9 16:37 14.8 21:54 0.0 0.1 0.0 3.8 20.9 00:00 WSW
27 16.6 19.8 12:24 11.9 06:40 4.5 0.0 0.0 0.3 11.3 15:00 WNW
28 17.7 22.4 14:13 15.2 23:13 0.0 0.8 0.0 1.6 17.7 14:00 SE
29 15.8 18.2 14:59 13.4 07:11 4.6 0.0 0.6 0.5 14.5 18:00 SSW
30 17.3 22.9 15:34 13.9 01:17 0.0 0.2 0.0 3.7 17.7 01:30 WSW
---------------------------------------------------------------------------------------
16.3 23.1 18 8.3 22 89.1 3.0 34.8 3.0 30.6 13 NE
Max >= 32.2: 0
Max <= 0.0: 0
Min <= 0.0: 0
Min <= -17.8: 0
Max Rain : 32.4 mm ON 09/19/2014
Days of Rain: 3 (> 0.254 mm) 1 (> 2.54 mm) 1 (> 25.4 mm)
Almost all the rain on 19th September fell in about an hour. A pal who keeps records about 4 miles away had virtually none. Two separate storms in different parts of Essex during the same weekend dumped similar amounts on Ramsden Heath and Witham respectively.
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But it was warm rain on 19th ;D
I used to have an Oregon automatic rain gauge (ie the tipping bucket type I think you refer to) but also found it tended to not be very accurate, sometimes it seemed to stick or the trigger not `fire` .
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That was a very warm September.
MONTHLY CLIMATOLOGICAL SUMMARY for SEP 2016
NAME: Tickfield House CITY: Southend-on-Sea STATE: Essex
ELEV: 20.1 m LAT: 51.5 N LONG: 0.7 E
TEMPERATURE (C), RAIN (mm), WIND SPEED (kph)
HEAT COOL AVG
MEAN DEG DEG WIND DOM
DAY TEMP HIGH TIME LOW TIME DAYS DAYS RAIN SPEED HIGH TIME DIR
---------------------------------------------------------------------------------------
01 19.4 26.1 16:33 14.2 06:19 0.0 3.3 0.0 2.6 17.7 12:30 WSW
02 17.9 22.2 14:18 15.1 05:36 0.0 0.6 0.0 4.9 22.5 09:00 SW
03 17.8 22.8 13:18 14.2 06:32 0.0 0.3 3.8 4.6 27.4 17:00 WSW
04 18.8 20.8 16:35 16.5 07:01 0.0 0.6 0.0 6.2 32.2 07:30 WSW
05 17.9 20.9 15:44 14.8 07:25 0.9 0.0 1.6 1.0 14.5 02:00 SSW
06 21.9 26.4 12:07 19.8 01:52 0.0 8.6 0.0 0.8 12.9 09:30 SW
07 21.8 26.9 13:43 19.4 06:06 0.0 8.7 0.0 1.4 17.7 17:36 SE
08 20.7 26.2 14:45 16.1 23:56 0.0 5.1 0.0 4.5 33.8 14:00 SW
09 19.2 24.1 15:58 15.3 01:33 0.0 2.4 0.0 4.4 24.1 13:00 SSW
10 19.2 21.9 14:08 17.1 23:50 0.0 2.2 0.0 3.5 29.0 16:00 SSW
11 16.9 21.8 13:52 11.4 06:53 3.2 0.0 0.0 1.2 19.3 18:30 SW
12 21.5 29.2 16:05 15.9 04:55 0.0 7.6 0.0 1.0 14.5 12:00 S
13 23.2 29.9 13:33 17.4 07:05 0.0 9.6 0.0 2.0 19.3 16:30 ENE
14 22.9 28.4 15:19 18.7 06:28 0.0 9.4 0.0 1.1 17.7 13:30 SSW
15 21.4 27.1 13:27 17.5 06:34 0.0 7.1 0.0 2.3 27.4 13:30 NNE
16 16.5 19.1 00:00 14.2 16:20 3.0 0.0 8.4 3.1 25.7 12:00 W
17 15.5 17.6 16:54 13.5 07:44 5.0 0.0 0.2 5.5 30.6 19:30 N
18 17.2 21.1 16:44 14.4 23:31 1.0 0.0 0.0 1.1 14.5 00:00 N
19 17.2 21.3 14:03 12.9 02:42 2.2 0.0 0.0 0.3 11.3 22:30 NNW
20 16.5 19.6 16:27 14.8 07:05 2.1 0.0 0.0 0.4 12.9 09:30 NNE
21 17.5 22.4 15:29 13.8 06:51 0.3 0.0 0.0 0.8 14.5 15:00 ESE
22 17.7 23.3 13:17 14.9 23:59 0.0 1.4 0.0 2.2 17.7 09:20 SW
23 15.8 22.4 14:58 10.8 06:54 3.1 0.0 0.0 1.6 16.1 17:00 SW
24 18.5 23.8 14:49 13.4 01:48 0.0 0.5 0.0 2.9 22.5 13:30 S
25 18.0 21.8 15:26 13.6 23:30 1.2 0.0 0.0 5.3 33.8 14:00 SW
26 15.2 19.4 14:42 11.3 05:27 5.3 0.0 0.2 1.2 19.3 15:00 SSW
27 17.2 20.3 12:49 14.6 03:54 1.6 0.0 0.0 2.9 24.1 13:00 SSW
28 18.1 24.1 13:42 13.4 06:59 0.0 0.8 0.0 5.7 29.0 20:47 WSW
29 17.5 20.8 15:37 13.7 23:54 1.9 0.0 0.2 7.0 30.6 00:00 WSW
30 15.1 20.9 14:34 12.0 08:00 3.4 0.0 0.0 4.0 24.1 11:00 WSW
---------------------------------------------------------------------------------------
18.5 29.9 13 10.8 23 34.3 68.0 14.4 2.8 33.8 8 SW
Max >= 32.2: 0
Max <= 0.0: 0
Min <= 0.0: 0
Min <= -17.8: 0
Max Rain : 8.4 mm ON 09/16/2016
Days of Rain: 3 (> 0.254 mm) 2 (> 2.54 mm) 0 (> 25.4 mm)
For comparison to the last 5:
HEAT COOL AVG
MEAN DEG DEG WIND DOM
YEAR DAY TEMP HIGH DATE LOW TIME DAYS DAYS RAIN SPEED HIGH DATE DIR
-------------------------------------------------------------------------------------------
2011 16.7 28.5 30 8.6 18 82.6 26.2 17.3 5.1 45.1 12 SW
2012 15.2 29.4 9 6.3 22 165.7 23.4 46.3 4.4 41.8 24 WSW
2013 15.2 29.0 5 8.3 15 162.7 17.8 39.2 3.7 38.6 16 WSW
2014 16.3 23.1 18 8.3 22 89.1 3.0 34.8 3.0 30.6 13 NE
2015 14.2 22.6 20 6.8 26 205.2 0.0 43.0 3.4 37.0 30 WSW
2016 18.5 29.9 13 10.8 23 34.3 68.0 14.4 2.8 33.8 8 SW
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I have rather neglected my weather station of late and, annoyingly, the Raspberry Pi to which the console is connected has somehow corrupted its SD card. Add to that the fact that the console stopped registering wind speed, and Stuff needs to be done.
I decided that the anemometer's reed switch had died a death and the only simple way to fix that was to buy a replacement weather vane component, which I have done, and I went up the ladder yesterday to put everything back in its place. Dez has yet to get round to fixing the website, but hopefully he will be able to do so soon.
Dez tells me that there has been no loss of historical data, but there will obviously be some gaps when he gets it recording online again.
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Weather enthusiasts may also be interested in community air pollution monitoring: https://sensor.community/en/
I've been operating one in Middle Earth (https://yacf.co.uk/forum/index.php?topic=1241.msg2486269#msg2486269) for the last couple of months, and have so far established a lockdown baseline particulate pollution level; observed the effects of different weather conditions on PM10 count; noted the correlation between the operation of woodworking tools, particulate pollution and my asthma; and monitored the neighbours' weed-smoking habits.
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I need a new weather station as my one from maplin which I never had much confidence in took a direct hit from a football from my neighbours kid. Can't tell him off though as my kids had kicked it over first
Just something fairly basic with an indoor reader but must do wind speed and rainfall
Thanks
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Budget?
I have the Davis Vantage Pro 2 but I was considering going for the Vantage Vue. Looks pretty good.
Mechanical rain gauges, in my experience, are pretty crap, even the expensive one like mine. Last night, my perfectly normal plastic cylinder rain gauge measured 33mm rain*. I think the electronic one was about 25% down on that. The instructions do say that "measuring rainfall mechanically is one of the most problematic aspects of automatic weather stations" and they like to blame the user that sets them up. But I think they just don't work properly. The buckets are inclined to become blocked and the tilting mechanism is subjet to obstructions from intruding species, spiders and their webs being likely culprits.
*My sister, about 200 meters away, also recorded 33mm. My brother, 15 miles to the NW, recorded 36mm, and the official figure from Chelmsford, another 10 miles further north, was 40mm, so we are all in the right ball-park.
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Honestly budget isn't huge as it's more of a curiosity on particularly wet/windy/hot/cold days
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Honestly budget isn't huge as it's more of a curiosity on particularly wet/windy/hot/cold days
I've just clicked 'Buy now' on this (https://www.amazon.co.uk/Kalawen-Wireless-Forecasting-Temperature-Barometer/dp/B07Y1CXLCH/ref=sr_1_16?dchild=1&keywords=clas+ohlson+weather+station&qid=1592578878&sr=8-16).
My previous one was from Maplin at around half the price.
It wasn't especially good / reliable
This one seems to get good reviews.
ETA - I don't think that you are going to get wind speed without going significantly into three figures.
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Hi everyone,
I am rather late to the party here, but am thinking about how to design a environmental monitoring project for my local community allotment /orchard group. There would be a lot of interest in rain soil and air temperatures it's also an exposed site so wind data would be accurate, yes a weather station.
I can see an educational benefit AC as BC we used to have a lot of school/community group visits to the site. (before covid)
There are a few constraints, as its an eco-friendly place I don't expect a sensor tree or Davis type station would be acceptable. There are no nearby mains supplies electrons and the nearest wi-fi is about 150M from my proposed monitoring location, the composting toilet block :-)
Having spent most of this weekend hacking around there is a bewildering number of options none of which seem to quite fit my requirements. I would like to upload near real-time data to the interwebs (inspires interest) and I'm capable of home brew, my hardware is better than my software, need to end up with something reliable and maintainable.
I'm thinking of starting with air and soil temps,
The ecowitt HP3501 almost fits the bill, but I am not sure the 868MHz wireless range will be acceptable for ground sensors if the console is inside the nearest building - how can I be sure, and does anyone have any experience?
Failing that can anyone please suggest a telemetry hub design/product which is low power, I can remove batteries for re-charging or add solar and wind wind charging, flexible and expandable and easy to connect to software to molish it into custom web pages e.g. WEEWX
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Ultrasonic wind speed / direction might be worth looking into if you are trying to avoid a weather station that looks like a weather station.
I did briefly investigate them when I was looking to replace my sensors but looked a bit too hard to DIY at the time. I note Netatmo do a solar powered sensor version and there are more built sensors around now. There seem to be a lot of Netatmo weather stations popping up and seem fairly accurate and the ones showing odd data I suspect is down to mounting location.
I mentioned MQTT as a comms strategy - WeeWX supports MQTT also if that's of use (it's what I use).
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That's an interesting reply with the tips on mqtt. I will also look more closely at netamo,
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There's a Weewx driver for them but looks like it might have been scuppered by some revision to the firmware.
https://github.com/matthewwall/weewx-netatmo
Some more info here too: https://www.wxforum.net/index.php?topic=38259.0
Dedicated ultrasonic wind speed/direction off the shelf seems quite expensive, £600+ odd
https://www.omniinstruments.co.uk/weather-stations-and-instruments/wind-speed-and-direction-sensors/windsonic-solid-state-wind-speed-and-direction-sensor.html
Some DIY options..
https://hackaday.com/2013/08/21/ultrasonic-anemometer-for-an-absurdly-accurate-weather-station/
http://embedded-lab.com/blog/making-an-ultrasonic-anemometer/
I think it would be cheaper to go down the route of traditional wind / speed sensor which I think was the conclusion I came to when I was looking, going for a known Davis instruments hardware as they are robust and UV stable.
Further digging just led me here which might also be of use (looks the same as the ecowit stuff?)
https://www.froggit.de/?cat=c40_DP-Series-dp-series.html
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About the wind sensors, aesthetics is not that critical, Ecowitt does seem the best way forward. This discussion has been really helpful as I decided to post you picture..
https://goo.gl/maps/FbT4GwDLef8XNMgH8 (https://goo.gl/maps/FbT4GwDLef8XNMgH8)
And discover that one of the nearby outbuidings has solar panels = mains power and probably also an IP network connection, so I have a good location for the GW1003 gateway From my read through of the manual to use WEEWX I guess the gateway would need a nearby Raspberry Pi connected by USB. Or can i just use an API to Ecowitts servers?
I am sure I will be able to use use the site owners LAN but don't want to be hacking about on it - I just need a plug'n'play solution - more advice please?
You can see the compost toilet building on the western boundary, where it changes angle. It is well exposed although there are some trees which will eventually become a problem. The shadow near it is ironically a utility pole, so aesthetics are not that critical.. I'm sure a 868 MHz link will work fine over that distance although we may have to compromise on location of ground level sensors
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A bit of a triumph for me over the past few days.
Dez used to be in charge of our weather station stuff but he moved to Notts. almost a year ago. It's been chuntering on to itself quite happily until on 4th December we had a power cut. It lasted 45 minutes, but when it came back on, the Raspberry Pi to which the weather station is connected persistently wrote no more data from 3pm on 4/12/2022. I assumed that it was something on the Raspberry Pi that had been corrupted, but since Dez had set it all up and I didn't have the password, I got a different SD card and started from scratch. Much to my complete surprise, the new SD card also reported data from 3pm on 4/12/2022.
That meant that the corruption was with the weather station itself. There's bit of hardware called the Data Logger and I found out, through joining a forum (!) that this can be corrupted by power cuts. I managed to delete all the data from the data logger (it stores quite a bit) and it started recording data in a sensible kind of way.
Having got the weather station itself sending data to the Raspberry Pi, the next stage was to get it to write a web page locally. After a couple of days of faffing, late this evening it actually worked. I'm feeling rather smug.
It's a bit frustrating to have failed to record the data for the 27 days or so between 4/12/2022 and 31/12/2022, especially since we had some of the coldest weather for a few years in that period. But I'm quite pleased with my (very rudimentary) use of Linux commands to get stuff to work.
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If you want to know what the weather has been doing in my neck of the woods, I've registered for Weather Undergound. Updates every 30 minutes.
https://www.wunderground.com/dashboard/pws/ISOUTH1318
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We got a Davis weather station last year at work, partly on Wowbagger's comments on this thread. Installed over the summer, as I needed to get out onto one of the school roofs. We are hoping to get it talking to a mini pc soon, but IT have been busy changing over to new intranet systems and had changes in staff to add to the problems.
We have had a seismometer running for several years, and picked up earthquakes in Iceland, Mexico, Argentina and New Zealand, as well as a car crashing into one of the school buildings a couple of hundred metres away. We only really see tremors showing if it isn't windy, as trees shaking in the wind mask anything else.
I am wondering whether to suggest a 180 Deg 'skycam' as the next project. Relatively low cost, and I've seen good pictures of meteor trails from them.
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That's interesting, WJ. It's taken me a few days but I've got a Raspberry Pi working nicely now, off no previous experience, given that I've always left this sort of thing to Dez. Someone who already knows their way around Linux ought to find it straightforward. I think my biggest problem was being uncertain which installation I was doing - it seems it puts files in different directories depending upon which version of Linux you are using, and which version of Apache. Then, using the Weewx weather station software, if got very confused because there were two totally different files in different places which were both called weewx.conf.
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https://www.pwsweather.com/station/pws/prittlewell/
Here's another representation of my data. not sure which I prefer. But then it isn't an either/or. Both sites host free of charge, because (I think) they are run by research establishment which are permanently data-hungry.
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Getting the IT team to do it is more because networked devices are supposed to be very restricted as to what users can do.
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https://www.pwsweather.com/station/pws/prittlewell/
Here's another representation of my data. not sure which I prefer. But then it isn't an either/or. Both sites host free of charge, because (I think) they are run by research establishment which are permanently data-hungry.
At least this one has a nice easy-to-find "metric" button to dob.
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https://www.pwsweather.com/station/pws/prittlewell/
Here's another representation of my data. not sure which I prefer. But then it isn't an either/or. Both sites host free of charge, because (I think) they are run by research establishment which are permanently data-hungry.
At least this one has a nice easy-to-find "metric" button to dob.
I opted for Celsius and metric when I set it up. Now I’m looking at it on my iPad, it’s displaying stuff in primitive again, including those remarkably irritating arse-about-face USAnian dates.
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Well, the Solar Radiation and Cloud Cover data on "my" page are certainly not coming from my weather station. It doesn't record such stuff!
https://www.pwsweather.com/station/pws/prittlewell/
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https://www.pwsweather.com/station/pws/prittlewell/
Here's another representation of my data. not sure which I prefer. But then it isn't an either/or. Both sites host free of charge, because (I think) they are run by research establishment which are permanently data-hungry.
At least this one has a nice easy-to-find "metric" button to dob.
I opted for Celsius and metric when I set it up. Now I’m looking at it on my iPad, it’s displaying stuff in primitive again, including those remarkably irritating arse-about-face USAnian dates.
It seems you have to be logged in for your preferences to take effect.
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https://www.pwsweather.com/station/pws/oulton
That’s probably the most easterly weather station in the UK. They have decided to send in data every minute.
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https://www.pwsweather.com/station/pws/oulton
That’s probably the most easterly weather station in the UK. They have decided to send in data every minute.
These weather stations are all in a similar area but are (slightly) further east:
https://www.wunderground.com/dashboard/pws/ILOWES26
https://www.wunderground.com/dashboard/pws/ILOWES39
https://www.wunderground.com/dashboard/pws/ILOWES25
https://www.wunderground.com/dashboard/pws/ILOWES33
https://www.wunderground.com/dashboard/pws/INORFOLK66
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OK - here's a question for the electrically-inclined.
The Vantage Pro 2 has a display which announces when the backup batteries (3 C-size) are running low. "LOW CONSOLE BATTERIES" is the way it does it. Mine has had that display for quite a long time, and even changing the batteries over for 3 brand new Duracell ones made no difference. The weather graph web page also tells you about the state of your batteries, and mine announced, at their worst, that the three of them were sending 2.9v.
A couple of days ago I decided to investigate this. I took the three batteries out and tested each of them with my "Neoteck" volt meter. All of then showed well over 1.5v. When I put them back the low battery warning had disappeared from the console and the display on the web page was 4.8v. Given that these batteries just sit there waiting for a power cut to deprive the console of power, they clearly failed abjectly in their one job on 4th December, which was what prompted me to start buggering about with Raspberry Pis and stuff.
Now my knowledge of physics and electronics could be written on the back of a postage stamp and still leave room for the address, but in my wide-eyed innocence, I would have thought that a poor connection wouldn't give a half-arsed voltage, it would give none. What am I missing?
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No, it's entirely possible for a poor connection to behave as a resistance rather than a completely open circuit. Consider it a function of the surface area making contact between, say, a spring terminal and a battery. At some point enough area is in contact that the resistance is small enough to be negligible, and any more contact area makes no difference to anything. But as the contact area decreases (perhaps by accumulation of corrosion or other crud between the metal surfaces), the resistance increases proportionally.
Particularly irksome, in a murphy's law sort of way, is that the voltage lost due to this contact resistance will depend on the current being drawn. So from the device's perspective, the battery voltage can look fine, until it actually needs to draw some current, at which point the perceived voltage suddenly becomes Not Fine.
(Resistance within the battery itself has the same effect - you'll be familiar with knackered batteries appearing to have a sensible voltage, which then collapses as soon as you try to use them.)
I reckon removing and re-fitting the batteries scraped some oxide off something. Though there remains a slight possibility of a software issue causing it to stop sampling the battery voltage for some reason.
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My weather station is now broadcasting to the world again.
https://www.tickfield.co.uk/weewx/index.html
I rather like this page, giving day/week/month/year records.
https://www.tickfield.co.uk/weewx/statistics.html
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:thumbsup:
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MONTHLY CLIMATOLOGICAL SUMMARY for Jan 2023
NAME: Prittlewell
ELEV: 20 meters LAT: 51-32.95 N LONG: 000-42.52 E
TEMPERATURE (C), RAIN (cm), WIND SPEED (km/h)
HEAT COOL AVG
MEAN DEG DEG WIND DOM
DAY TEMP HIGH TIME LOW TIME DAYS DAYS RAIN SPEED HIGH TIME DIR
---------------------------------------------------------------------------------------
01 10.6 11.9 00:53 7.8 23:55 7.7 0.0 0.20 6.8 30.6 03:25 241
02 6.8 9.4 13:18 3.9 23:37 11.5 0.0 0.02 2.3 16.1 13:44 256
03 9.0 12.2 23:57 3.4 01:09 9.4 0.0 0.14 6.1 35.4 19:00 224
04 12.5 14.2 12:53 10.4 23:08 5.8 0.0 0.00 11.9 41.8 15:00 263
05 11.0 12.8 14:26 8.9 07:56 7.3 0.0 0.00 7.3 35.4 23:30 248
06 10.2 11.9 23:38 6.7 07:59 8.1 0.0 0.10 6.6 32.2 01:30 237
07 10.5 11.9 01:10 8.0 21:00 7.9 0.0 0.20 9.5 45.1 18:49 207
08 8.1 10.3 13:34 6.1 21:19 10.2 0.0 0.50 6.6 38.6 15:29 230
09 6.9 9.1 14:05 5.3 06:50 11.4 0.0 0.12 7.5 30.6 18:05 269
10 8.9 12.4 21:11 4.9 04:44 9.4 0.0 0.48 8.5 35.4 11:30 235
11 9.3 12.2 00:00 7.8 07:05 9.0 0.0 0.06 9.8 45.1 14:33 261
12 11.0 12.7 11:41 8.3 00:00 7.3 0.0 0.58 12.7 38.6 01:27 265
13 8.7 11.3 13:56 6.5 22:45 9.6 0.0 0.00 11.3 45.1 08:06 268
14 9.2 12.2 13:07 6.5 23:44 9.1 0.0 0.86 10.2 40.2 07:29 248
15 6.2 9.4 13:03 4.2 22:51 12.1 0.0 0.00 10.0 38.6 09:30 266
16 2.9 6.1 00:58 -1.1 00:00 15.4 0.0 1.26 5.1 32.2 13:34 336
17 -0.5 2.6 14:16 -3.8 07:44 18.8 0.0 0.00 1.3 12.9 23:21 275
18 1.6 4.9 13:30 -1.2 03:34 16.8 0.0 0.00 5.2 20.9 09:48 270
19 2.0 6.6 14:27 -0.6 07:25 16.4 0.0 0.02 3.2 17.7 23:34 273
20 3.2 6.9 13:14 0.4 06:47 15.1 0.0 0.00 4.5 25.7 12:07 294
21 2.5 6.7 13:04 -0.3 23:58 15.9 0.0 0.00 0.9 11.3 01:13 44
22 1.3 6.8 14:11 -1.1 07:39 17.0 0.0 0.04 0.6 12.9 13:37 32
23 1.5 3.4 23:14 -1.4 01:16 16.9 0.0 0.00 0.4 11.3 11:14 22
24 4.3 5.3 14:30 3.4 00:00 14.0 0.0 0.00 1.5 11.3 09:49 29
25 3.8 6.1 22:14 1.8 10:44 14.5 0.0 0.40 3.2 19.3 23:03 283
26 5.4 8.3 14:00 3.3 03:58 12.9 0.0 0.02 4.8 24.1 18:38 23
27 4.6 8.1 13:32 0.6 23:56 13.7 0.0 0.02 3.4 20.9 12:03 29
28 4.4 7.2 11:55 0.3 00:44 13.9 0.0 0.00 0.7 9.7 10:56 253
29 6.4 8.2 15:16 4.9 05:19 11.9 0.0 0.00 6.6 24.1 11:27 257
30 7.5 11.4 14:42 4.3 23:51 10.9 0.0 0.00 5.4 33.8 11:30 278
31 7.6 12.0 14:23 3.9 00:39 10.7 0.0 0.00 6.8 30.6 09:29 269
---------------------------------------------------------------------------------------
6.4 14.2 04 -3.8 17 370.8 0.0 5.02 5.8 45.1 07 260
-
CLIMATOLOGICAL SUMMARY for year 2023
NAME: Prittlewell
ELEV: 20 meters LAT: 51-32.95 N LONG: 000-42.52 E
TEMPERATURE (C)
HEAT COOL MAX MAX MIN MIN
MEAN MEAN DEG DEG >= <= <= <=
YR MO MAX MIN MEAN DAYS DAYS HI DAY LOW DAY 30 0 0 -20
------------------------------------------------------------------------------------------------
2023 01 9.2 3.6 6.4 370.8 0.0 14.2 04 -3.8 17 0 0 7 0
2023 02 11.1 4.1 7.3 309.7 0.0 15.2 14 -2.5 08 0 0 4 0
2023 03 11.0 5.3 8.0 319.9 0.0 16.6 30 -1.5 11 0 0 1 0
2023 04 14.0 6.0 9.7 259.0 0.0 18.7 28 1.1 05 0 0 0 0
2023 05 17.9 9.4 13.4 153.7 0.0 22.7 24 6.7 03 0 0 0 0
2023 06 23.4 13.8 18.4 40.9 42.8 31.8 25 8.2 03 1 0 0 0
2023 07 23.3 14.8 18.7 14.9 25.2 28.6 08 10.8 25 0 0 0 0
2023 08 23.6 14.6 18.6 20.8 28.9 27.8 22 10.7 06 0 0 0 0
2023 09 24.0 15.1 19.0 19.3 40.5 31.7 08 9.6 23 3 0 0 0
2023 10 18.3 11.1 14.2 131.1 4.0 26.8 08 2.6 16 0 0 0 0
2023 11 11.8 6.0 8.6 291.7 0.0 15.7 13 -2.7 30 0 0 2 0
2023 12 10.4 6.4 8.5 305.7 0.0 15.2 24 -1.1 02 0 0 2 0
------------------------------------------------------------------------------------------------
16.5 9.2 12.6 2237.6 141.4 31.8 Jun -3.8 Jan 4 0 16 0
PRECIPITATION (cm)
MAX ---DAYS OF RAIN---
OBS. OVER
YR MO TOTAL DAY DATE 0.03 0.30 3.00
------------------------------------------------
2023 01 5.02 1.26 16 13 6 0
2023 02 0.24 0.04 16 3 0 0
2023 03 6.82 0.86 31 25 7 0
2023 04 7.04 1.02 15 15 9 0
2023 05 1.46 0.62 09 7 2 0
2023 06 1.96 0.86 20 5 3 0
2023 07 6.82 1.28 30 16 8 0
2023 08 4.10 1.04 02 11 5 0
2023 09 1.44 0.34 18 8 2 0
2023 10 7.22 1.32 18 15 9 0
2023 11 9.10 1.70 13 15 9 0
2023 12 6.50 1.48 12 17 7 0
------------------------------------------------
57.72 1.70 Nov 150 67 0
WIND SPEED (km/h)
DOM
YR MO AVG HI DATE DIR
-----------------------------------
2023 01 5.8 45.1 07 260
2023 02 4.6 40.2 25 279
2023 03 6.0 56.3 13 245
2023 04 5.6 56.3 12 61
2023 05 5.4 40.2 29 52
2023 06 5.9 37.0 03 53
2023 07 6.0 51.5 15 254
2023 08 4.4 38.6 02 255
2023 09 3.8 43.5 19 234
2023 10 4.4 38.6 13 244
2023 11 5.2 53.1 13 263
2023 12 7.1 49.9 09 254
-----------------------------------
5.4 56.3 Mar 262
-
MONTHLY CLIMATOLOGICAL SUMMARY for Dec 2023
NAME: Prittlewell
ELEV: 20 meters LAT: 51-32.95 N LONG: 000-42.52 E
TEMPERATURE (C), RAIN (cm), WIND SPEED (km/h)
HEAT COOL AVG
MEAN DEG DEG WIND DOM
DAY TEMP HIGH TIME LOW TIME DAYS DAYS RAIN SPEED HIGH TIME DIR
---------------------------------------------------------------------------------------
01 1.0 4.4 14:30 -0.9 02:04 17.4 0.0 0.06 1.2 14.5 12:52 28
02 -0.3 0.4 13:44 -1.1 08:32 18.6 0.0 0.00 2.1 14.5 11:23 278
03 6.0 8.2 20:11 0.1 00:01 12.4 0.0 0.22 5.6 24.1 22:35 145
04 6.2 6.9 00:00 5.7 08:04 12.2 0.0 0.10 5.8 24.1 04:22 127
05 5.5 6.8 14:31 3.4 23:47 12.9 0.0 0.02 2.4 14.5 00:00 13
06 3.5 8.1 14:37 0.4 08:09 14.8 0.0 0.04 0.8 11.3 23:44 252
07 6.7 8.2 23:46 5.6 00:00 11.6 0.0 0.56 7.8 25.7 09:10 149
08 8.6 11.4 13:35 6.6 07:11 9.7 0.0 0.02 4.3 19.3 11:50 233
09 10.1 13.3 13:33 8.6 02:23 8.3 0.0 0.76 10.6 49.9 22:31 249
10 9.7 11.2 16:42 8.3 06:20 8.6 0.0 0.10 9.7 43.5 00:37 261
11 9.7 12.0 12:36 7.2 21:08 8.6 0.0 0.00 6.9 38.6 02:23 267
12 9.3 11.3 11:23 7.9 18:29 9.0 0.0 1.48 3.9 32.2 12:20 205
13 7.5 8.4 03:28 5.7 23:56 10.8 0.0 0.08 4.9 35.4 16:59 340
14 5.9 7.8 17:42 3.7 05:17 12.5 0.0 0.02 2.8 17.7 03:00 265
15 7.7 9.1 14:24 6.6 23:59 10.6 0.0 0.00 3.2 14.5 22:38 253
16 9.8 11.5 12:58 6.5 00:06 8.6 0.0 0.00 7.3 29.0 03:42 262
17 9.5 10.9 12:43 8.4 07:12 8.8 0.0 0.00 8.8 32.2 15:22 247
18 10.4 12.0 23:45 8.9 03:58 7.9 0.0 0.00 8.2 29.0 10:26 253
19 9.4 12.0 00:00 5.3 23:50 8.9 0.0 1.20 5.5 20.9 00:23 259
20 8.3 10.8 19:39 5.0 02:44 10.1 0.0 0.00 9.9 32.2 13:40 270
21 11.9 13.7 13:05 10.4 00:00 6.5 0.0 0.00 11.5 45.1 15:15 276
22 11.1 12.6 12:51 9.3 04:48 7.3 0.0 0.04 9.6 43.5 12:05 270
23 10.7 12.7 12:58 9.2 02:58 7.6 0.0 0.00 10.9 33.8 04:58 270
24 13.5 15.2 12:46 11.1 00:00 4.9 0.0 0.04 14.6 46.7 15:49 270
25 12.4 13.7 00:03 10.9 23:55 6.0 0.0 0.34 9.3 46.7 20:52 266
26 8.1 11.0 00:00 5.9 19:28 10.2 0.0 0.02 4.7 25.7 03:04 270
27 10.4 11.9 17:54 7.4 00:00 7.9 0.0 0.38 8.2 40.2 23:48 223
28 11.7 12.7 11:40 10.6 20:08 6.7 0.0 0.06 14.2 46.7 01:30 251
29 9.9 12.1 13:53 7.5 23:40 8.4 0.0 0.00 9.1 37.0 00:03 268
30 9.6 11.6 21:44 6.7 03:46 8.7 0.0 0.06 6.7 37.0 20:55 192
31 8.9 11.7 00:42 7.3 08:30 9.5 0.0 0.90 10.4 48.3 01:37 238
---------------------------------------------------------------------------------------
8.5 15.2 24 -1.1 02 305.7 0.0 6.50 7.1 49.9 09 254
-
It's a remarkable failing that the Weewx software' doesn't record for posterity the range of barometric pressure anywhere in the monthly/annual data. It shows it in the "Statistics" page, but of course that has just reset itself for the new year. There was a day in February 2023 when the pressure reached 1044 mb. That's bloody high. I suspect that if I were clever enough I would be able to tweak the graphical output from the database. It must be in there somewhere.
Edit: https://www.wunderground.com/dashboard/pws/ISOUTH1318/graph/2023-02-1/2023-02-1/monthly
That's my data on Weather Underground.
https://www.pwsweather.com/station/pws/prittlewell?timespan=month&date=2023-02-01
And there on PWS Weather.
-
It's a remarkable failing that the Weewx software' doesn't record for posterity the range of barometric pressure anywhere in the monthly/annual data. It shows it in the "Statistics" page, but of course that has just reset itself for the new year. There was a day in February 2023 when the pressure reached 1044 mb. That's bloody high. I suspect that if I were clever enough I would be able to tweak the graphical output from the database. It must be in there somewhere.
Edit: https://www.wunderground.com/dashboard/pws/ISOUTH1318/graph/2023-02-1/2023-02-1/monthly
That's my data on Weather Underground.
https://www.pwsweather.com/station/pws/prittlewell?timespan=month&date=2023-02-01
And there on PWS Weather.
I believe you can set that recording up in the configuration
Sent from my Pixel 8 Pro using Tapatalk
-
MONTHLY CLIMATOLOGICAL SUMMARY for Dec 2023
NAME: Prittlewell
ELEV: 20 meters LAT: 51-32.95 N LONG: 000-42.52 E
TEMPERATURE (C), RAIN (cm), WIND SPEED (km/h)
HEAT COOL AVG
MEAN DEG DEG WIND DOM
DAY TEMP HIGH TIME LOW TIME DAYS DAYS RAIN SPEED HIGH TIME DIR
---------------------------------------------------------------------------------------
01 1.0 4.4 14:30 -0.9 02:04 17.4 0.0 0.06 1.2 14.5 12:52 28
02 -0.3 0.4 13:44 -1.1 08:32 18.6 0.0 0.00 2.1 14.5 11:23 278
03 6.0 8.2 20:11 0.1 00:01 12.4 0.0 0.22 5.6 24.1 22:35 145
04 6.2 6.9 00:00 5.7 08:04 12.2 0.0 0.10 5.8 24.1 04:22 127
05 5.5 6.8 14:31 3.4 23:47 12.9 0.0 0.02 2.4 14.5 00:00 13
06 3.5 8.1 14:37 0.4 08:09 14.8 0.0 0.04 0.8 11.3 23:44 252
07 6.7 8.2 23:46 5.6 00:00 11.6 0.0 0.56 7.8 25.7 09:10 149
08 8.6 11.4 13:35 6.6 07:11 9.7 0.0 0.02 4.3 19.3 11:50 233
09 10.1 13.3 13:33 8.6 02:23 8.3 0.0 0.76 10.6 49.9 22:31 249
10 9.7 11.2 16:42 8.3 06:20 8.6 0.0 0.10 9.7 43.5 00:37 261
11 9.7 12.0 12:36 7.2 21:08 8.6 0.0 0.00 6.9 38.6 02:23 267
12 9.3 11.3 11:23 7.9 18:29 9.0 0.0 1.48 3.9 32.2 12:20 205
13 7.5 8.4 03:28 5.7 23:56 10.8 0.0 0.08 4.9 35.4 16:59 340
14 5.9 7.8 17:42 3.7 05:17 12.5 0.0 0.02 2.8 17.7 03:00 265
15 7.7 9.1 14:24 6.6 23:59 10.6 0.0 0.00 3.2 14.5 22:38 253
16 9.8 11.5 12:58 6.5 00:06 8.6 0.0 0.00 7.3 29.0 03:42 262
17 9.5 10.9 12:43 8.4 07:12 8.8 0.0 0.00 8.8 32.2 15:22 247
18 10.4 12.0 23:45 8.9 03:58 7.9 0.0 0.00 8.2 29.0 10:26 253
19 9.4 12.0 00:00 5.3 23:50 8.9 0.0 1.20 5.5 20.9 00:23 259
20 8.3 10.8 19:39 5.0 02:44 10.1 0.0 0.00 9.9 32.2 13:40 270
21 11.9 13.7 13:05 10.4 00:00 6.5 0.0 0.00 11.5 45.1 15:15 276
22 11.1 12.6 12:51 9.3 04:48 7.3 0.0 0.04 9.6 43.5 12:05 270
23 10.7 12.7 12:58 9.2 02:58 7.6 0.0 0.00 10.9 33.8 04:58 270
24 13.5 15.2 12:46 11.1 00:00 4.9 0.0 0.04 14.6 46.7 15:49 270
25 12.4 13.7 00:03 10.9 23:55 6.0 0.0 0.34 9.3 46.7 20:52 266
26 8.1 11.0 00:00 5.9 19:28 10.2 0.0 0.02 4.7 25.7 03:04 270
27 10.4 11.9 17:54 7.4 00:00 7.9 0.0 0.38 8.2 40.2 23:48 223
28 11.7 12.7 11:40 10.6 20:08 6.7 0.0 0.06 14.2 46.7 01:30 251
29 9.9 12.1 13:53 7.5 23:40 8.4 0.0 0.00 9.1 37.0 00:03 268
30 9.6 11.6 21:44 6.7 03:46 8.7 0.0 0.06 6.7 37.0 20:55 192
31 8.9 11.7 00:42 7.3 08:30 9.5 0.0 0.90 10.4 48.3 01:37 238
---------------------------------------------------------------------------------------
8.5 15.2 24 -1.1 02 305.7 0.0 6.50 7.1 49.9 09 254
Is that rain figure in fathoms?
-
It does say at the top of the table - RAIN (cm).
-
The rain figure must have its decimal dot transposed to the right. Or did you really have only 6.50cm rain all month and you're genuinely measuring it to a precision 0.1mm?
-
The rain figure must have its decimal dot transposed to the right. Or did you really have only 6.50cm rain all month and you're genuinely measuring it to a precision 0.1mm?
6.5cm is a lot of rain for a single month in this part of the world, although my manual measurement was 8.19cm. My brother tells me that 2023 was the first calendar year in which he has recorded 4 months with more than 10cm rain in each.
Many automatic weather stations use a reed switch "rocker" which records 0.2mm per "flick" of the switch. I think it may be possible to adjust the amount of rain it records for each cycle.
(https://community.blynk.cc/uploads/default/original/2X/a/a2af8370256ec0ad825cfa9edf3ce621c4271c0e.gif)
-
I had no idea it was so technological!
-
I had no idea it was so technological!
It's a variation on an ancient Japanese design for scaring BEARS away from your ornamental horticulture. Or something.
It's the easiest way to make an automated rain gauge, as it only requires a simple sensor like a reed switch that can detect when the tippy thing tips, and something to count the pulses. No need for precision weighing devices or sensitive optics. Careful sizing and adjustment can make it quite precise, at least until the spiders come along and gum up the works with their webs.
-
measuring it to a precision 0.1mm?
Yes, even our bog standard, read by a human, rain gauge is read to 0.1mm. (40+years and counting)
The gauge collects rain at the top of a relatively large funnel and it goes into a "bucket". The water is transferred into a measuring cylinder of a much smaller diameter, so it can be accurately read to 0.1mm.
Our state of the art Met Office automatic was installed a couple of years ago, and the figures are comparable.
-
What is this state-of-the-art Met Office standard rain gauge, please?
-
measuring it to a precision 0.1mm?
Yes, even our bog standard, read by a human, rain gauge is read to 0.1mm. (40+years and counting)
The gauge collects rain at the top of a relatively large funnel and it goes into a "bucket". The water is transferred into a measuring cylinder of a much smaller diameter, so it can be accurately read to 0.1mm.
Our state of the art Met Office automatic was installed a couple of years ago, and the figures are comparable.
That's the kind of device I would have expected, rather than rocker tech!
-
What is this state-of-the-art Met Office standard rain gauge, please?
Good Question. The environment agency installed it and I can't pretend to know how it works.
I've asked hubby and he can't remember either. It sends the reading by some telephone technology every 15 mins to the environment agency - or something like that. They pay us a nominal rent for the land the enclosure is on.
The old rain gauge is now in the same enclosure and we read that almost every day cos it's what we have done for the last 46 years.
We tried to persuade them to install an anemometer at the same time, but they wouldn't fund it.
-
Ooh! That's rather exciting, having official Met Office figures being generated on your land!
I was looking at very expensive electronic rain gauges and I thought I had something better I could be doing with >£600.
-
The rain figure must have its decimal dot transposed to the right. Or did you really have only 6.50cm rain all month and you're genuinely measuring it to a precision 0.1mm?
6.5cm is a lot of rain for a single month in this part of the world, although my manual measurement was 8.19cm. My brother tells me that 2023 was the first calendar year in which he has recorded 4 months with more than 10cm rain in each.
Many automatic weather stations use a reed switch "rocker" which records 0.2mm per "flick" of the switch. I think it may be possible to adjust the amount of rain it records for each cycle.
(https://community.blynk.cc/uploads/default/original/2X/a/a2af8370256ec0ad825cfa9edf3ce621c4271c0e.gif)
I suspect your average rainfall is similar to mine, and 6.5 cm (let alone 8.19) is above average for any month of the year here, with an annual average of 62cm (Wattisham, just 3 miles from me).
-
When I started work at Burnhope TV station in the 1980's we did 3 hourly meto reports, and being atop a big hill had an aneometer tower next to the proper big mast. There were paper roll charts to change and moving pens to ink. We did temperature but IIRC not rain - probably too turbulent about the site. It got more automated, then the site was de-staffed and everything fell into disuse...Data gathering Flyte, Wow relies on a dedicated few - .
I suspect much Met Office weather data these days is gathered by scraping Wundergound, with enough data presumably a 'puter can correct the innacuracies.
-
Most calibrated aviation weather stations now are automated, including cloud cover detection, and report remotely. There are many fewer than there were even 20 years ago thanks to the huge reduction in the size of our active air forces, but I suspect the increase in privately-owned but reasonably accurate equipment gives the Met Office and others sufficient geographic data to inform their recording and forecasts.
-
I've been up a ladder again this morning to clear detritus from the rain gauge's funnel. That's about 15mm it failed to record last night.
-
Meanwhile., here's January's monthly summary.
MONTHLY CLIMATOLOGICAL SUMMARY for Jan 2024
NAME: Prittlewell
ELEV: 20 meters LAT: 51-32.95 N LONG: 000-42.52 E
TEMPERATURE (C), RAIN (cm), WIND SPEED (km/h)
HEAT COOL AVG
MEAN DEG DEG WIND DOM
DAY TEMP HIGH TIME LOW TIME DAYS DAYS RAIN SPEED HIGH TIME DIR
---------------------------------------------------------------------------------------
01 8.7 10.9 23:59 7.4 07:52 9.6 0.0 0.46 8.9 37.0 00:09 245
02 11.6 12.9 14:23 10.3 23:45 6.7 0.0 0.56 12.3 67.6 16:58 259
03 10.0 11.9 12:38 8.8 23:55 8.4 0.0 0.12 7.5 32.2 00:00 268
04 8.5 9.8 20:20 6.6 08:16 9.9 0.0 1.42 5.6 25.7 18:20 242
05 6.4 8.6 00:00 4.6 23:10 11.9 0.0 0.16 5.2 33.8 07:44 296
06 5.1 6.6 14:15 2.0 23:57 13.3 0.0 0.00 2.8 20.9 02:47 16
07 3.2 4.9 13:31 1.4 04:50 15.2 0.0 0.00 6.8 32.2 20:18 36
08 2.6 3.9 00:30 1.5 13:01 15.7 0.0 0.10 10.0 35.4 10:14 55
09 3.0 4.3 14:16 1.9 07:01 15.3 0.0 0.04 12.6 46.7 12:14 67
10 3.0 6.1 12:52 0.0 23:55 15.3 0.0 0.00 7.5 33.8 11:30 56
11 2.7 5.2 11:48 -0.4 04:34 15.6 0.0 0.02 3.2 22.5 12:58 22
12 5.3 6.2 11:28 4.4 23:47 13.0 0.0 0.00 4.3 24.1 08:19 22
13 3.3 4.5 00:00 1.7 09:07 15.1 0.0 0.00 3.7 19.3 04:45 271
14 4.2 6.3 13:26 2.8 23:58 14.1 0.0 0.06 3.8 19.3 14:34 277
15 1.0 4.1 14:24 -1.0 23:55 17.3 0.0 0.00 4.4 30.6 11:36 291
16 0.9 5.4 14:31 -1.7 02:38 17.4 0.0 0.00 3.6 16.1 13:48 247
17 1.8 3.0 12:50 -0.6 23:59 16.5 0.0 0.00 2.4 16.1 15:34 23
18 -0.3 4.2 14:33 -3.9 06:46 18.6 0.0 0.00 2.9 19.3 10:51 294
19 1.7 6.4 14:17 -1.3 08:15 16.6 0.0 0.00 4.9 17.7 10:33 261
20 3.8 6.2 12:33 1.0 01:13 14.5 0.0 0.00 5.5 30.6 23:33 214
21 9.3 12.7 21:53 4.6 00:00 9.0 0.0 0.10 12.2 56.3 19:58 229
22 10.2 12.9 03:17 7.1 23:59 8.1 0.0 0.12 14.0 53.1 02:35 265
23 9.3 12.8 23:53 5.7 05:12 9.0 0.0 0.08 10.0 40.2 22:30 249
24 11.2 13.3 01:03 7.9 23:58 7.2 0.0 0.02 11.2 49.9 00:44 270
25 9.4 11.7 14:07 6.0 03:24 9.0 0.0 0.02 4.9 25.7 21:48 225
26 9.1 12.1 02:03 4.8 21:59 9.3 0.0 0.00 7.8 46.7 07:12 268
27 5.6 9.1 13:33 2.8 07:20 12.7 0.0 0.02 3.6 17.7 12:50 185
28 6.9 10.4 14:53 4.6 01:28 11.4 0.0 0.02 4.2 19.3 17:48 156
29 9.5 10.8 20:24 7.8 00:00 8.9 0.0 0.04 3.7 20.9 18:45 169
30 8.6 11.3 02:25 7.3 23:44 9.7 0.0 0.02 5.8 32.2 03:30 263
31 8.6 11.7 21:38 6.5 04:53 9.8 0.0 0.00 7.0 30.6 11:56 251
---------------------------------------------------------------------------------------
5.9 13.3 24 -3.9 18 384.2 0.0 3.38 6.5 67.6 02 268
-
MONTHLY CLIMATOLOGICAL SUMMARY for Feb 2024
NAME: Prittlewell
ELEV: 20 meters LAT: 51-32.95 N LONG: 000-42.52 E
TEMPERATURE (C), RAIN (cm), WIND SPEED (km/h)
HEAT COOL AVG
MEAN DEG DEG WIND DOM
DAY TEMP HIGH TIME LOW TIME DAYS DAYS RAIN SPEED HIGH TIME DIR
---------------------------------------------------------------------------------------
01 7.7 11.7 14:51 4.7 07:57 10.6 0.0 0.00 4.1 20.9 00:00 277
02 10.0 13.9 14:17 5.0 01:12 8.4 0.0 0.00 9.9 41.8 11:56 269
03 12.1 14.5 14:04 10.2 03:56 6.3 0.0 0.00 8.0 25.7 08:44 269
04 12.2 14.2 13:24 10.6 23:57 6.2 0.0 0.02 10.9 46.7 22:37 270
05 10.4 11.7 14:02 8.2 07:20 8.0 0.0 0.00 12.2 41.8 10:53 267
06 11.9 13.8 11:38 6.7 23:56 6.4 0.0 0.04 12.7 40.2 10:08 269
07 5.6 6.8 15:39 4.4 04:26 12.8 0.0 0.14 2.5 20.9 00:48 47
08 7.8 11.4 16:03 4.9 01:23 10.5 0.0 1.40 4.3 27.4 08:53 119
09 10.9 13.1 14:27 9.9 07:45 7.4 0.0 0.20 6.0 30.6 11:50 207
10 9.6 11.3 13:22 7.6 23:28 8.7 0.0 0.52 2.5 14.5 12:46 191
11 8.2 12.8 13:43 6.4 23:57 10.2 0.0 0.02 2.1 20.9 15:13 286
12 7.0 11.6 13:28 4.3 07:08 11.3 0.0 0.02 5.2 22.5 14:47 264
13 8.4 11.4 21:19 5.6 05:09 9.9 0.0 0.02 5.7 30.6 18:57 226
14 12.1 13.2 13:22 10.7 00:25 6.2 0.0 0.04 7.0 30.6 12:19 239
15 13.1 16.4 13:57 11.7 08:12 5.2 0.0 0.28 3.7 20.9 14:02 183
16 12.1 15.3 13:41 10.9 23:47 6.2 0.0 0.06 5.3 27.4 14:03 269
17 11.0 12.8 15:06 9.2 04:53 7.3 0.0 0.38 5.2 27.4 17:10 235
18 11.5 15.1 14:36 9.8 23:54 6.8 0.0 1.08 5.8 29.0 09:25 258
19 10.4 14.9 14:51 7.8 05:41 7.9 0.0 0.00 5.2 25.7 08:48 273
20 9.3 12.1 15:20 6.9 06:56 9.0 0.0 0.00 7.5 33.8 14:57 249
21 10.2 11.6 19:15 8.9 07:31 8.2 0.0 0.46 7.6 32.2 15:06 234
22 8.3 12.1 12:15 4.4 18:03 10.0 0.0 1.22 7.7 40.2 17:55 248
23 6.4 10.7 12:43 4.6 23:10 11.9 0.0 0.02 6.0 25.7 06:55 244
24 5.2 10.4 12:53 2.4 07:15 13.2 0.0 0.10 1.9 19.3 13:13 221
25 5.3 8.3 12:03 0.2 07:22 13.0 0.0 0.42 6.5 48.3 23:30 77
26 6.7 8.4 14:10 4.3 22:10 11.6 0.0 0.00 14.3 49.9 12:56 33
27 6.7 9.7 13:35 2.9 07:29 11.7 0.0 0.00 3.4 16.1 00:00 271
28 9.3 12.2 14:27 6.3 05:23 9.1 0.0 0.00 5.0 27.4 15:06 231
29 9.5 12.5 09:53 5.8 21:54 8.8 0.0 0.52 5.3 29.0 09:24 235
---------------------------------------------------------------------------------------
9.3 16.4 15 0.2 25 262.9 0.0 6.96 6.3 49.9 26 257
And February. My real rain gauge recorded 101.5mm rain compared to the 69.6mm recorded by the Davis.
Brother David (Ramsden Heath) recorded 126.9mm. His son Tom, (Chelmsford) recorded 130mm.
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MONTHLY CLIMATOLOGICAL SUMMARY for Mar 2024
NAME: Prittlewell
ELEV: 20 meters LAT: 51-32.95 N LONG: 000-42.52 E
TEMPERATURE (C), RAIN (cm), WIND SPEED (km/h)
HEAT COOL AVG
MEAN DEG DEG WIND DOM
DAY TEMP HIGH TIME LOW TIME DAYS DAYS RAIN SPEED HIGH TIME DIR
---------------------------------------------------------------------------------------
01 6.4 9.8 15:10 4.6 22:45 11.9 0.0 0.60 6.8 40.2 08:21 186
02 7.2 9.7 12:58 4.7 00:11 11.2 0.0 0.06 5.9 37.0 09:06 150
03 6.1 9.8 14:06 3.4 06:21 12.2 0.0 0.00 0.6 9.7 12:46 336
04 7.7 11.4 11:58 3.4 05:14 10.6 0.0 0.00 4.0 22.5 13:00 157
05 7.6 9.1 14:43 6.8 05:32 10.7 0.0 0.52 3.0 17.7 00:14 100
06 8.2 12.2 14:15 5.5 07:09 10.1 0.0 0.00 2.3 17.7 14:39 87
07 8.0 10.9 11:17 6.7 01:44 10.3 0.0 0.00 8.6 30.6 15:43 67
08 7.7 9.2 13:01 6.1 05:58 10.7 0.0 0.00 9.7 35.4 12:11 68
09 9.8 12.2 14:25 7.2 06:05 8.6 0.0 0.00 7.4 33.8 11:00 86
10 8.5 10.0 00:00 7.4 23:55 9.9 0.0 0.60 4.8 24.1 13:30 75
11 7.7 8.7 14:34 6.8 21:33 10.6 0.0 0.04 2.2 19.3 17:08 347
12 9.8 12.9 18:09 6.9 01:55 8.5 0.0 0.84 5.3 20.9 15:43 249
13 11.6 12.8 12:18 10.6 05:43 6.7 0.0 0.00 8.0 30.6 08:50 241
14 12.8 18.2 14:51 9.6 04:12 5.6 0.0 0.00 5.5 24.1 10:17 226
15 12.6 16.5 13:01 8.6 23:59 5.7 0.0 0.04 8.7 35.4 10:25 246
16 9.9 13.2 13:25 5.8 06:33 8.5 0.0 0.00 3.4 22.5 16:19 138
17 11.7 15.2 16:34 9.8 01:20 6.6 0.0 0.36 4.2 24.1 12:02 189
18 11.5 14.9 13:33 8.7 06:27 6.8 0.0 0.00 5.6 20.9 11:09 239
19 11.8 13.9 12:11 10.3 05:31 6.6 0.0 0.00 5.9 25.7 09:43 229
20 12.8 19.1 14:29 9.7 05:56 5.5 0.0 0.06 2.2 14.5 04:04 202
21 11.6 15.6 12:37 8.2 05:25 6.8 0.0 0.00 4.6 24.1 12:51 236
22 10.4 12.3 11:13 6.8 23:57 7.9 0.0 0.02 5.1 22.5 00:21 271
23 8.0 12.5 13:35 4.7 06:28 10.3 0.0 0.02 9.3 35.4 15:51 272
24 9.4 14.3 14:21 6.0 22:12 9.0 0.0 0.00 6.7 37.0 10:34 284
25 9.4 12.2 14:52 6.3 00:36 8.9 0.0 0.00 4.6 24.1 12:07 134
26 10.5 13.1 12:11 7.3 23:50 7.8 0.0 0.88 4.8 32.2 23:09 93
27 8.8 12.3 12:48 6.1 02:52 9.6 0.0 0.04 6.6 33.8 12:00 157
28 9.4 11.2 18:47 6.2 06:36 9.0 0.0 0.56 10.8 49.9 20:12 211
29 10.8 14.5 16:02 8.2 03:28 7.5 0.0 0.12 7.0 35.4 00:00 222
30 10.7 14.9 13:51 7.2 06:07 7.6 0.0 0.00 2.3 22.5 15:37 131
31 9.9 11.7 16:49 8.4 02:30 8.4 0.0 0.10 5.7 25.7 07:58 64
---------------------------------------------------------------------------------------
9.6 19.1 20 3.4 03 270.3 0.0 4.86 5.5 49.9 28 198
56.8mm rain here for March.
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The Weewx software I use is at version 4.9.1. I know Version 5 has been released and Dez was encouraging me to upgrade. I have a spare Raspberry Pi and a few SD cards so I shall attempt that at some point. I'd rather do that than try to upgrade the existing installation in situ. Keep it working until I'm happy with the replacement, I say. I find messing around with software and hardware quite a challenge.