Monthly Report for February 2009

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Weather Summary
Measure	Mean / Sum (anomaly)	Min	Max	Mean Time
Minimum Temperature	2.2 °C (-0.8)	-3.9 °C	8.1 °C	10:09
Maximum Temperature	7.4 °C (-0.8)	0.2 °C	14.0 °C	13:59
Mean Temperature	4.8 °C (-0.8)	-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	3.8 mph (-1.3)	1.2 mph	8.1 mph
Maximum Wind Speed	n/a	n/a	n/a	n/a
Maximum Gust	17.1 mph	9.0 mph	30.0 mph	n/a
Mean Wind Direction	n/a	n/a	n/a
Rainfall	63.8 mm (142%)	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 (+0.0)	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 (92%) [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 (entered with a delay of 1-10 days). 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	0
> 20.0 mm	0	Ice Days	0	> 95% max poss.	0	Total Events	9

Misc.

Mean rainfall for days with >0.3mm: 5.8 mm
Total snowfall: 24 cm - 38% of the total precipitation
Total lying snow: 42 cm

Graphs and Charts

Minimum Temperature Maximum Temperature Mean Temperature Minimum Humidity Maximum Humidity Mean Humidity Minimum Pressure Maximum Pressure Mean Pressure Mean Wind Speed Maximum Wind Speed Maximum Gust Mean Wind Direction Rainfall Maximum Hourly Rain Maximum 10-min Rain Maximum Rain Rate Minimum Dew Point Maximum Dew Point Mean Dew Point Max 10m Temp Rise Max 1hr Temp Rise Max 1hr Hum Rise Max 10m Temp Fall Max 1hr Temp Fall Max 1hr Hum Fall Temperature Range Humidity Range Pressure Range Sun Hours Wet Hours Mean Rain Rate Falling Snow Lying Snow Hail Thunder Dense Fog Night Minimum (21-09) Day Maximum (09-21) Max 10-min Wind Speed Max Hourly Wind Speed

Wind rose

View daily breakdown for month