Monthly Report for February 2009

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Weather Summary
Measure Mean / Sum (anomaly) Min Max Mean Time
Minimum Temperature 2.2 °C (+0.0) -3.9 °C 8.1 °C 10:09
Maximum Temperature 7.4 °C (-0.2) 0.2 °C 14.0 °C 13:59
Mean Temperature 4.8 °C (-0.1) -1.4 °C 10.2 °C
Minimum Humidity 66% 45% 95% 13:15
Maximum Humidity 94% 82% 98% 10:44
Mean Humidity 80% 64% 96%
Minimum Pressure 1012 hPa 977 hPa 1030 hPa 12:24
Maximum Pressure 1018 hPa 992 hPa 1033 hPa 11:27
Mean Pressure 1015 hPa 990 hPa 1032 hPa
Mean Wind Speed n/a (-5.1) n/a n/a
Maximum Wind Speed n/a n/a n/a n/a
Maximum Gust n/a n/a n/a n/a
Mean Wind Direction n/a n/a n/a
Rainfall 63.8 mm (160%) 0.0 mm 20.0 mm
Maximum Hourly Rain 1.5 mm 0.3 mm 3.0 mm 10:09
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 -0.8 °C -9.5 °C 5.5 °C 10:51
Maximum Dew Point 4.0 °C -2.5 °C 8.7 °C 11:23
Mean Dew Point 1.8 °C -5.1 °C 7.3 °C
Night Minimum (21-09) 2.4 °C -3.9 °C 8.4 °C n/a
Day Maximum (09-21) 7.4 °C 0.2 °C 14.0 °C n/a
Max 10m Temp Rise 0.6 °C 0.2 °C 1.3 °C 12:27
Max 1hr Temp Rise 1.3 °C 0.3 °C 2.3 °C 12:00
Max 1hr Hum Rise 7% 1% 18% 14:03
Max 10m Temp Fall 0.7 °C 0.3 °C 1.5 °C 12:18
Max 1hr Temp Fall 1.2 °C 0.7 °C 2.1 °C 15:51
Max 1hr Hum Fall 9% 1% 21% 12:10
Max 10m Wind Speed n/a n/a n/a n/a
Minimum Feels-like 0.0 °C 0.0 °C 0.0 °C n/a
Maximum Feels-like n/a n/a n/a n/a
Mean Feels-like n/a n/a n/a n/a
Air-frost Hrs 71 hrs 0 hrs 17 hrs n/a
Measure Mean / Sum (anomaly) Min Max
Temperature Range 5.2 °C (-0.2) 0.8 °C 9.6 °C
Humidity Range 28% 3% 48%
Pressure Range 6 hPa 1 hPa 36 hPa
Measure Sum (anom.) [% of max] Min Max
Sun Hours 72 (96%) [29%] 0 8.6
Wet Hours 0 (0%) [0%]

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 14 Min < -5.0 °C 0 > 0 hrs 21 Falling Snow 0
> 0.1 mm 11 Min < 0.0 °C 9 > 1 hrs 15 Lying Snow 9
> 0.3 mm 11 Mean < 0.0 °C 2 > 3 hrs 12 Hail 0
> 1.0 mm 8 Mean > 20.0 °C 0 > 5 hrs 3 Thunder 0
> 5.0 mm 4 Max > 25.0 °C 0 > 10 hrs 0 Dense Fog 0
> 10.0 mm 1 Max > 30.0 °C 0 > 25% max poss. 14 Gusts > 30mph
> 20.0 mm 0 Ice Days 0 > 95% max poss. 0 Total Events 9

Misc.

Mean rainfall for days with >0.2mm: 5.8 mm
Total snowfall: 24 cm - 38% of the total precipitation
Total lying snow: 42 cm

Graphs and Charts

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