Monthly Report for July 2009

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Weather Summary
Measure	Mean / Sum (anomaly)	Min	Max	Mean Time
Minimum Temperature	13.5 °C (-0.7)	10.4 °C	18.6 °C	08:14
Maximum Temperature	21.7 °C (-1.3)	18.0 °C	29.5 °C	15:32
Mean Temperature	17.0 °C (-1.0)	14.7 °C	21.7 °C
Minimum Humidity	53%	38%	75%	15:37
Maximum Humidity	90%	79%	97%	07:38
Mean Humidity	74%	60%	88%
Minimum Pressure	1009 hPa	1001 hPa	1021 hPa	12:40
Maximum Pressure	1015 hPa	1004 hPa	1024 hPa	11:24
Mean Pressure	1012 hPa	1002 hPa	1022 hPa
Mean Wind Speed	6.0 mph (+1.7)	3.9 mph	8.5 mph
Maximum Wind Speed	n/a	n/a	n/a	n/a
Maximum Gust	24.2 mph	17.0 mph	36.0 mph	n/a
Mean Wind Direction	n/a	n/a	n/a
Rainfall	55.4 mm (120%)	0.0 mm	10.2 mm
Maximum Hourly Rain	1.7 mm	0.3 mm	5.5 mm	15:20
Maximum 10-min Rain	1.1 mm	0.3 mm	2.8 mm	15:11
Maximum Rain Rate	14 mm/h	0.3 mm/h	49 mm/h	16:04
Minimum Dew Point	9.4 °C	5.9 °C	12.2 °C	11:18
Maximum Dew Point	14.5 °C	10.7 °C	18.8 °C	11:24
Mean Dew Point	12.0 °C	7.3 °C	15.5 °C
Night Minimum (21-09)	13.5 °C	10.4 °C	18.6 °C	n/a
Day Maximum (09-21)	21.7 °C	18.0 °C	29.5 °C	n/a
Max 10m Temp Rise	0.9 °C	0.4 °C	1.7 °C	11:05
Max 1hr Temp Rise	2.3 °C	1.3 °C	4.4 °C	12:40
Max 1hr Hum Rise	10%	5%	22%	17:07
Max 10m Temp Fall	0.8 °C	0.4 °C	1.8 °C	12:46
Max 1hr Temp Fall	1.9 °C	1.2 °C	3.4 °C	16:41
Max 1hr Hum Fall	11%	5%	17%	12:28
Max 10m Wind Speed	4.3 mph	2.8 mph	5.8 mph	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	0 hrs	0 hrs	0 hrs	n/a
Measure	Mean / Sum (anomaly)	Min	Max
Temperature Range	8.2 °C (-0.6)	4.2 °C	14.5 °C
Humidity Range	38%	18%	52%
Pressure Range	6 hPa	1 hPa	12 hPa
Measure	Sum (anom.) [% of max]	Min	Max
Sun Hours	165 (85%) [36%]	0.3	11.6
Wet Hours	48 (141%) [6.5%]	0	7

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	20	Min < -5.0 °C	0	> 0 hrs	31	Falling Snow	0
> 0.1 mm	17	Min < 0.0 °C	0	> 1 hrs	29	Lying Snow	0
> 0.3 mm	17	Mean < 0.0 °C	0	> 3 hrs	23	Hail	0
> 1.0 mm	15	Mean > 20.0 °C	3	> 5 hrs	16	Thunder	3
> 5.0 mm	2	Max > 25.0 °C	4	> 10 hrs	2	Dense Fog	0
> 10.0 mm	1	Max > 30.0 °C	0	> 25% max poss.	23	Gusts > 30mph	3
> 20.0 mm	0	Min > 20.0 °C	0	> 95% max poss.	0	Total Events	6

Misc.

Mean rainfall for days with >0.3mm: 3.3 mm
Total snowfall: 0 cm - 0% of the total precipitation
Total lying snow: 0 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