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Optimus Prime

Your August Statistics

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A cool month, particularily by day although not especially so by night. The coolest August in my records (since 2003) and generally wet. Wet episode between 22nd-27th with 53MM rain being recorded.

Overall Mean 16.1c (-0.8c)

Mean Max 20.6c (-1.2c)

Mean Min 11.7c (-0.4c)

Highest Max 26.9c (25th)

Lowest Max 17.4c (13th)

Highest Minimum 21st (18.6c)

Lowest Minimum 6.8c (31st)

Previous years

August 2009

Mean Max 22.8c (+1.0c)

Mean Min 12.4c (+0.4c)

Mean 17.6c (+0.7c)

August 2008

Mean Max 21.0c (-0.8c)

Mean Min 13.2c (+1.2c)

Mean 17.1c (+0.2c)

August 2007

Mean Max 21.3c (-0.5c)

Mean Min 11.1c (-0.9c)

Mean 16.2c (-0.7c)

August 2006

Mean Max 22.2c (+0.4c)

Mean Min 12.6c (+0.6c)

Mean 17.4c (+0.5c)

August 2005

Mean Max 23.1c (+1.3c)

Mean Min 10.9c (-0.1c)

Mean 17.0c (+0.1c)

August 2004

Mean Max 23.5c (+1.6c)

Mean Min 13.6c (+1.6c)

Mean 18.6c (+1.7c)

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Buxton, Derbyshire, England

Unofficial August 2010 Climatic Records

Latitude 53*N Longitude 1.5*W Elevation 338m/1110ft AMSL

Valid 1st- 31st August, 2010

Mean Maximum: 16.9°C

Mean Minimum: 10.1°C

Mean Temperature: 13.5°C

Highest Temperature: 21.2°C (16th)

Lowest Temperature: 4.9°C (30th)

---------------------

Lowest Maximum: 11.6°C (26th)

Highest Minimum: 13.0°C (21st)

---------------------

Precipitation: 80mm

Days with rain >1mm: 12

Days with rain/drizzle: 22

Most in one day: 20mm (28th)

---------------------

Mean Pressure: 1014mb

Max Pressure: 1027mb (31st)

Min Pressure: 997mb (23rd)

Average Maximum Wind Gust: 31.9mph

Maximum Wind Gust: 57mph (29th)

---------------------

Sunshine hours: 110.7

Most in one day: 11.07 (16th)

Average per day: 3.57hours

Sunless days: 3

---------------------

Days with:

Sleet/Snow: 0

Fog: 0

Hail/Ice Pellets: 0

Thunderstorm: 1 (12th)

Nights below freezing: 0

Month synopsis:

A very cool month. Mean maxima about 2°C below average, minima about 1.5°C below average. Frequent rain, drizzle and very dull. Only three days exceeded 20°C: 15th, 16th and 20th. High of just 11.6°C on 26th.

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This month was a huge paradox, There were 15 completely dry days. There were 7 days with some rain or showers in the morning but many of those brightened up very nicely into the afternoon and evening. There were 3 days of sunshine and showers, including the 20th which included a short lived but intense thunderstorm with monsoon rains. There were 2 damp drizzly days. Up until now even including the 20th the rainfall totals were far from great and probably around 30mm.

However there were also 4 washout days The 19th, 21st, 25th, 26th, which gave some large rainfall totals around the 100mm mark over the 4 days.

So in summary a lot of dry decent weather days with sunshine amounts probably better than many parts, and probably not far off average, Despite quite a few warm days, no real heat, and as such temps below average for the month. Rainfall in terms of days with greater than 2mm rain probably below average, but in terms of totals, well above average.

Mixed to say the least and certainly not boring.

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Stats for Warminster, Wiltshire...

August became the coolest and considerably the wettest summer month of 2010, however it took until

the night of 22/23 for rainfall to become above average - and that 24 hour period was the wettest

locally for 3 and a half years!

Average max = 21.11c (Highest = 25.2c on 8 Aug)

Average min = 12.42c (Lowest = 6.3c on 31 Aug)

Mean = 16.76c

Dry days = 10

Rain days = 21

Rainfall = 118mm (89.5mm in the final 9 days)

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Statistics from Cambridge University weather station:

Based on 31 days' worth of half-hourly data recorded with

rooftop sensors at the Computer Laboratory, Cambridge, U.K.

Temperature (degrees C)

Average: 16.3

Minimum: 5.6 (31 August 06:30)

Maximum: 26.1 (21 August 13:30)

Relative Humidity (%)

Average: 76.5

Minimum: 31 (09 August 15:00)

Maximum: 100 (15 August 02:30)

Dew Point (degrees C)

Average: 11.8

Minimum: 1.3 (29 August 17:30)

Maximum: 19.9 (21 August 14:30)

Atmospheric Pressure (mbar)

Average: 1013.4

Minimum: 992 (23 August 06:00)

Maximum: 1029 (30 August 22:00)

Half-hourly Instantaneous Wind Speed (knots)

Average: 5.5

Minimum: 0.0 (01 August 18:00)

Maximum: 26.0 (21 August 16:00)

Half-hourly Maximum Wind Speed (knots)

Average: 13.3

Minimum: 0 (01 August 21:30)

Maximum: 38 (24 August 14:30)

Prevalent Wind Direction

SW (29.4% of readings)

Total Sunshine Hours

92.8

Total Rainfall mm

143.1

Wettest August on record for here, smashing the previous record of 108mm in 1974.

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August 2010 Statistics and Summary, Llanwnnen, Ceredigion

Summary

Rather cool, cloudy and unsettled

Not especially wet this month compared with July, but otherwise equally un- Summer-like with warm weather at a premium and often with a lot of cloud. Nothing in the way of prolonged warm or sunny weather making it seem more like early Autumn much of the time. In spite of temperatures never much exceeding 22c, the overall temperature was not too far below average.

1st- 13th: Slightly unsettled with small amounts of rain at times. Rather cloudy with some sunny spells and temperatures cool to average.

14th-26th: Unsettled with rain and showers, very heavy at times. Continuing generally rather cloudy with only limited sunny spells. Again rather cool to around average temperatures, although rather warm 15th/16th and 21st /22nd, but very cool 25th/26th, the maximum did not reach 15c on the latter.

27th- 29th: Rather cool and breezy but with sunny spells, and just a few showers.

30th-31st: High pressure made a belated Summer appearance over the UK and it was mostly sunny but with unseasonably cold nights- the lowest I have ever known in August! Down to just 1.3c on 31st, colder than the 3.4c in August 2007, and ground frosts on both these nights.

Statistics

Total rainfall: 86.7mm (near normal)

Wettest day: 17.7mm 19th

Rain days >0.2mm: 18

Wet days >1.0mm: 15

Days of heavy rain >10mm: 3

Mean temperature: 14.6c

Mean Max: 19.0c

Mean Min: 10.1c

High max: 22.1c 16th

Low Max: 14.7c 25th

High min: 15.7c 20th

Low min: 1.3c 31st

Ground frost: 2

Mean RH: 85%

High RH: 100% 20th

Low RH: 52% 31st

Predominant wind directions: NW

Mean wind speed: 1.0 mph

Mean pressure: 1015mbar

Max pressure: 1027mbar 31st

Min pressure: 998mbar 23rd

Days with:

Hail: 0

Gale: 0

Thunder: 1

Fog: 2

Fog at 0900: 1

post-2595-073905400 1283509513_thumb.jpg post-2595-038284900 1283509564_thumb.jpg

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I've only just had a chance to sort this.

Average daily maximum; 17.9C

Highest daily maximum; 23.2C (15th)

Lowest daily maximum; 14.4 (29th)

Average daily minimum; 8.9C

Highest daily minimum; 13.9C (20th)

Lowest daily minimum; 2.7C (31st)

Mean monthly temperature; 13.4C (12yr mean, 14.2C)

Total rainfall; 69.8mm (year to date 433.9mm)

No of wet days (0.1mm or above): seventeen

Wettest day; 24.8mm (20th)

Highest wind gust; 31mph (20th)

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