Monthly Report for September 2012

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Weather Summary
Measure Mean / Sum (anomaly) Min Max Mean Time
Minimum Temperature 10.4 °C (-0.7) 5.8 °C 16.8 °C 08:50
Maximum Temperature 18.9 °C (+0.2) 11.9 °C 27.6 °C 15:12
Mean Temperature 14.6 °C (-0.2) 10.1 °C 18.7 °C
Minimum Humidity 49% 24% 75% 15:08
Maximum Humidity 87% 75% 98% 09:25
Mean Humidity 69% 54% 89%
Minimum Pressure 1012 hPa 985 hPa 1025 hPa 11:55
Maximum Pressure 1018 hPa 989 hPa 1030 hPa 10:47
Mean Pressure 1015 hPa 988 hPa 1028 hPa
Mean Wind Speed 4.7 mph (+0.8) 1.8 mph 9.2 mph
Maximum Wind Speed 12.0 mph 5.6 mph 17.6 mph 14:40
Maximum Gust 17.5 mph 8.1 mph 28.9 mph 15:14
Mean Wind Direction WSW NNE NNW
Rainfall 43.4 mm (76%) 0.0 mm 21.8 mm
Maximum Hourly Rain 2.5 mm 0.6 mm 6.4 mm 14:23
Maximum 10-min Rain 1.1 mm 0.5 mm 2.3 mm 15:49
Maximum Rain Rate 19 mm/h 2.5 mm/h 60 mm/h 15:43
Minimum Dew Point 5.4 °C 0.2 °C 12.3 °C 12:49
Maximum Dew Point 11.6 °C 6.2 °C 16.0 °C 12:21
Mean Dew Point 8.5 °C 3.4 °C 13.5 °C
Night Minimum (21-09) 10.7 °C 5.8 °C 16.8 °C 06:56
Day Maximum (09-21) 18.9 °C 11.8 °C 27.6 °C 14:48
Max 10m Temp Rise 0.6 °C 0.3 °C 1.2 °C 09:23
Max 1hr Temp Rise 2.5 °C 0.9 °C 4.9 °C 09:40
Max 1hr Hum Rise 9% 5% 19% 16:42
Max 10m Temp Fall 0.6 °C 0.2 °C 1.0 °C 14:30
Max 1hr Temp Fall 1.8 °C 0.7 °C 4.0 °C 15:52
Max 1hr Hum Fall 12% 2% 26% 10:56
Max 10m Wind Speed 8.6 mph 4.0 mph 12.6 mph 14:34
Minimum Feels-like 10.0 °C 2.9 °C 19.3 °C 08:53
Maximum Feels-like 20.1 °C 14.0 °C 29.1 °C 14:21
Mean Feels-like 15.5 °C 10.4 °C 21.7 °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 (+0.9) 3.7 °C 17.5 °C
Humidity Range 38% 18% 60%
Pressure Range 7 hPa 1 hPa 22 hPa
Measure Sum (anom.) [% of max] Min Max
Sun Hours 174 (126%) [51%] 0 12
Wet Hours 27 (66%) [3.8%] 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 25 Lying Snow 0
> 0.3 mm 8 Mean < 0.0 °C 0 > 3 hrs 20 Hail 0
> 1.0 mm 7 Mean > 20.0 °C 0 > 5 hrs 15 Thunder 0
> 5.0 mm 2 Max > 25.0 °C 3 > 10 hrs 4 Dense Fog 0
> 10.0 mm 1 Max > 30.0 °C 0 > 25% max poss. 20 Gusts > 30mph 0
> 20.0 mm 1 Min > 20.0 °C 0 > 95% max poss. 3 Total Events 0

Misc.

Mean rainfall for days with >0.2mm: 5.4 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