Monthly Report for August 2009

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Weather Summary
Measure Mean / Sum (anomaly) Min Max Mean Time
Minimum Temperature 14.1 °C (+0.9) 9.1 °C 16.8 °C 07:48
Maximum Temperature 22.5 °C (+0.3) 17.9 °C 28.7 °C 15:45
Mean Temperature 17.9 °C (+0.6) 14.1 °C 21.4 °C
Minimum Humidity 52% 34% 86% 14:35
Maximum Humidity 90% 74% 98% 10:09
Mean Humidity 73% 57% 95%
Minimum Pressure 1014 hPa 1003 hPa 1021 hPa 12:58
Maximum Pressure 1018 hPa 1010 hPa 1024 hPa 11:05
Mean Pressure 1016 hPa 1007 hPa 1022 hPa
Mean Wind Speed 4.2 mph (+0.2) 1.8 mph 7.6 mph
Maximum Wind Speed 11.3 mph 5.8 mph 18.4 mph n/a
Maximum Gust 16.8 mph 8.7 mph 27.6 mph 14:54
Mean Wind Direction SW NE NW
Rainfall 42.1 mm (79%) 0.0 mm 34.3 mm
Maximum Hourly Rain 2.2 mm 0.3 mm 9.9 mm 14:49
Maximum 10-min Rain 1.2 mm 0.3 mm 4.7 mm 14:34
Maximum Rain Rate 17 mm/h 0.3 mm/h 66 mm/h 16:56
Minimum Dew Point 10.0 °C 4.6 °C 14.2 °C 12:28
Maximum Dew Point 15.4 °C 10.0 °C 19.4 °C 12:02
Mean Dew Point 12.7 °C 7.2 °C 16.5 °C
Night Minimum (21-09) 14.1 °C 9.1 °C 16.8 °C n/a
Day Maximum (09-21) 22.5 °C 17.9 °C 28.7 °C n/a
Max 10m Temp Rise 0.6 °C 0.3 °C 1.1 °C 13:18
Max 1hr Temp Rise 2.0 °C 0.7 °C 3.8 °C 12:39
Max 1hr Hum Rise 10% 4% 24% 17:53
Max 10m Temp Fall 0.7 °C 0.2 °C 1.3 °C 16:50
Max 1hr Temp Fall 1.8 °C 0.6 °C 3.3 °C 16:52
Max 1hr Hum Fall 10% 3% 23% 12:57
Max 10m Wind Speed 7.7 mph 3.3 mph 12.7 mph 15:36
Minimum Feels-like 15.4 °C 0.0 °C 20.5 °C 09:34
Maximum Feels-like 25.7 °C 19.3 °C 33.3 °C 15:29
Mean Feels-like 20.6 °C 14.3 °C 26.2 °C n/a
Air-frost Hrs 0 hrs 0 hrs 0 hrs n/a
Measure Mean / Sum (anomaly) Min Max
Temperature Range 8.5 °C (-0.5) 4.6 °C 14.6 °C
Humidity Range 39% 12% 62%
Pressure Range 4 hPa 2 hPa 13 hPa
Measure Sum (anom.) [% of max] Min Max
Sun Hours 157 (86%) [38%] 0.1 10.5
Wet Hours 22 (58%) [3%] 0 7.5

NB: Hover over a value to view the date it was recorded.
    Sun hrs, Wet hrs, Cloud cover and Events are based on manual equipment/observations. Consequently, their reliablity is questionable and they         are provided for interest only.

Days Of...
Rainfall Temperature Sunshine Other
> 0.0 mm 10 Min < -5.0 °C 0 > 0 hrs 31 Falling Snow 0
> 0.1 mm 9 Min < 0.0 °C 0 > 1 hrs 28 Lying Snow 0
> 0.3 mm 7 Mean < 0.0 °C 0 > 3 hrs 24 Hail 0
> 1.0 mm 5 Mean > 20.0 °C 3 > 5 hrs 15 Thunder 0
> 5.0 mm 1 Max > 25.0 °C 5 > 10 hrs 1 Dense Fog 0
> 10.0 mm 1 Max > 30.0 °C 0 > 25% max poss. 24 Gusts > 30mph 0
> 20.0 mm 1 Min > 20.0 °C 0 > 95% max poss. 0 Total Events 0

Misc.

Mean rainfall for days with >0.2mm: 6.0 mm
Total snowfall: 0 cm - 0% of the total precipitation
Total lying snow: 0 cm

Graphs and Charts

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View daily breakdown