Monthly Report for April 2011

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Weather Summary
Measure Mean / Sum (anomaly) Min Max Mean Time
Minimum Temperature 8.6 °C (+3.6) 4.1 °C 12.4 °C 07:27
Maximum Temperature 18.8 °C (+6.0) 12.6 °C 26.5 °C 15:31
Mean Temperature 13.6 °C (+4.8) 8.7 °C 18.6 °C
Minimum Humidity 44% 26% 74% 15:52
Maximum Humidity 80% 66% 91% 08:09
Mean Humidity 62% 48% 84%
Minimum Pressure 1018 hPa 1007 hPa 1026 hPa 13:20
Maximum Pressure 1022 hPa 1010 hPa 1030 hPa 11:53
Mean Pressure 1020 hPa 1008 hPa 1028 hPa
Mean Wind Speed 4.5 mph (-0.4) 1.7 mph 8.5 mph
Maximum Wind Speed 12.4 mph 7.8 mph 18.1 mph n/a
Maximum Gust 18.0 mph 10.2 mph 28.4 mph 15:06
Mean Wind Direction SSE N NNW
Rainfall 1.8 mm (4%) 0.0 mm 1.4 mm
Maximum Hourly Rain 0.5 mm 0.5 mm 0.5 mm 11:15
Maximum 10-min Rain n/a n/a n/a n/a
Maximum Rain Rate n/a n/a n/a n/a
Minimum Dew Point 2.9 °C -3.9 °C 9.4 °C 11:34
Maximum Dew Point 8.8 °C 2.9 °C 12.5 °C 11:46
Mean Dew Point 5.8 °C 0.3 °C 10.0 °C
Night Minimum (21-09) 8.7 °C 4.1 °C 12.5 °C 05:39
Day Maximum (09-21) 18.8 °C 12.6 °C 26.5 °C 15:33
Max 10m Temp Rise 0.6 °C 0.2 °C 1.4 °C 09:48
Max 1hr Temp Rise 2.4 °C 0.9 °C 4.9 °C 10:03
Max 1hr Hum Rise 8% 4% 14% 17:05
Max 10m Temp Fall 0.5 °C 0.2 °C 1.6 °C 16:20
Max 1hr Temp Fall 1.8 °C 0.9 °C 3.0 °C 18:23
Max 1hr Hum Fall 11% 5% 22% 10:49
Max 10m Wind Speed 8.5 mph 4.5 mph 12.2 mph 15:22
Minimum Feels-like 7.3 °C 1.9 °C 13.4 °C 07:32
Maximum Feels-like 19.3 °C 13.0 °C 26.9 °C 15:02
Mean Feels-like 13.6 °C 8.1 °C 19.0 °C n/a
Air-frost Hrs 0 hrs 0 hrs 0 hrs n/a
Measure Mean / Sum (anomaly) Min Max
Temperature Range 10.2 °C (+2.4) 3.5 °C 16.4 °C
Humidity Range 36% 17% 60%
Pressure Range 4 hPa 1 hPa 11 hPa
Measure Sum (anom.) [% of max] Min Max
Sun Hours 216 (158%) [57%] 0 13.4
Wet Hours 3.9 (8%) [0.5%] 0 3

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 3 Min < -5.0 °C 0 > 0 hrs 28 Falling Snow 0
> 0.1 mm 2 Min < 0.0 °C 0 > 1 hrs 26 Lying Snow 0
> 0.3 mm 1 Mean < 0.0 °C 0 > 3 hrs 23 Hail 0
> 1.0 mm 1 Mean > 20.0 °C 0 > 5 hrs 17 Thunder 1
> 5.0 mm 0 Max > 25.0 °C 2 > 10 hrs 12 Dense Fog 0
> 10.0 mm 0 Max > 30.0 °C 0 > 25% max poss. 23 Gusts > 30mph 0
> 20.0 mm 0 Ice Days 0 > 95% max poss. 7 Total Events 1

Misc.

Mean rainfall for days with >0.2mm: 1.8 mm
Total snowfall: 0 cm - 0% of the total precipitation
Total lying snow: 0 cm

Graphs and Charts

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