Monthly Report for September 2010

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Weather Summary
Measure Mean / Sum (anomaly) Min Max Mean Time
Minimum Temperature 10.9 °C (-0.2) 5.6 °C 16.5 °C 11:51
Maximum Temperature 18.3 °C (-0.4) 13.4 °C 22.9 °C 14:59
Mean Temperature 14.7 °C (-0.3) 9.5 °C 18.0 °C
Minimum Humidity 59% 46% 81% 15:08
Maximum Humidity 91% 80% 98% 09:22
Mean Humidity 77% 65% 91%
Minimum Pressure 1012 hPa 1000 hPa 1020 hPa 12:51
Maximum Pressure 1018 hPa 1002 hPa 1027 hPa 12:06
Mean Pressure 1015 hPa 1001 hPa 1024 hPa
Mean Wind Speed 4.6 mph (+0.7) 1.5 mph 7.7 mph
Maximum Wind Speed 12.2 mph 5.6 mph 17.0 mph n/a
Maximum Gust 17.8 mph 7.4 mph 27.1 mph 12:49
Mean Wind Direction SW N NNW
Rainfall 42.6 mm (75%) 0.0 mm 11.7 mm
Maximum Hourly Rain 3.4 mm 0.8 mm 6.8 mm 15:17
Maximum 10-min Rain 1.5 mm 0.5 mm 4.1 mm 15:02
Maximum Rain Rate 19 mm/h 4.0 mm/h 50 mm/h 15:08
Minimum Dew Point 7.9 °C 2.3 °C 12.9 °C 11:49
Maximum Dew Point 13.0 °C 6.0 °C 16.7 °C 12:04
Mean Dew Point 10.4 °C 3.8 °C 14.3 °C
Night Minimum (21-09) 11.4 °C 5.6 °C 16.5 °C n/a
Day Maximum (09-21) 18.3 °C 13.4 °C 22.9 °C n/a
Max 10m Temp Rise 0.6 °C 0.2 °C 1.0 °C 09:32
Max 1hr Temp Rise 2.3 °C 0.7 °C 4.5 °C 10:03
Max 1hr Hum Rise 7% 3% 12% 17:38
Max 10m Temp Fall 0.4 °C 0.1 °C 0.7 °C 15:50
Max 1hr Temp Fall 1.4 °C 0.4 °C 2.6 °C 17:44
Max 1hr Hum Fall 10% 2% 19% 10:55
Max 10m Wind Speed 8.3 mph 4.0 mph 12.1 mph 13:03
Minimum Feels-like 11.2 °C 2.1 °C 19.1 °C 11:16
Maximum Feels-like 20.3 °C 13.4 °C 25.0 °C 14:10
Mean Feels-like 16.4 °C 8.6 °C 21.6 °C n/a
Air-frost Hrs 0 hrs 0 hrs 0 hrs n/a
Measure Mean / Sum (anomaly) Min Max
Temperature Range 7.3 °C (-0.3) 3.8 °C 12.3 °C
Humidity Range 32% 12% 49%
Pressure Range 5 hPa 2 hPa 16 hPa
Measure Sum (anom.) [% of max] Min Max
Sun Hours 126 (91%) [37%] 0 12.2
Wet Hours 28 (68%) [3.9%] 0 10

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 8 Min < -5.0 °C 0 > 0 hrs 29 Falling Snow 0
> 0.1 mm 8 Min < 0.0 °C 0 > 1 hrs 20 Lying Snow 0
> 0.3 mm 7 Mean < 0.0 °C 0 > 3 hrs 16 Hail 0
> 1.0 mm 7 Mean > 20.0 °C 0 > 5 hrs 11 Thunder 0
> 5.0 mm 4 Max > 25.0 °C 0 > 10 hrs 2 Dense Fog 0
> 10.0 mm 2 Max > 30.0 °C 0 > 25% max poss. 16 Gusts > 30mph 0
> 20.0 mm 0 Min > 20.0 °C 0 > 95% max poss. 1 Total Events 0

Misc.

Mean rainfall for days with >0.2mm: 6.1 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