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Last Month
July 2009 Report.

A very warm start to the month, with the temperatures well above average for the first few days. The mean after the first 5 days was 20.8c.
Very unsettled and very wet conditions followed, which continued unabated until the end of the month. Days were often thundery with 7 days of thunder recorded. The very warm start was wiped out by persistent average or slightly below average temperatures. The mean eventually finished up at 16.2c, slightly below the local average. Rainfall total was 158.2mm, 342% of the local average.

Daily notes:

1^st:The warmest night of the year, minimum 18.5c, also the warmest night since July 2006, (19.2c). The 1^st also produced the hottest day of the year so far, 30.4c. It was also the hottest day since July 2006 (32.7c)
3^rd: The hot spell came to an abrupt end with a moderate to severe thunderstorm and torrential rain at this location before the observation at 09:00GMT.
29^th: Continuous moderate to heavy rain all day giving a total of 21.8mm.
30^th: A day of heavy showers, including a moderate intensity thunderstorm with hail around midday.

Stats for July 2009

Mean maximum temperature = 20.8c
Mean minimum temperature = 11.7c
Mean temperature = 16.2c -0.5c
Highest maximum on the 1st = 30.4c
Lowest Maximum on the 30^th = 16.2c
Highest minimum on the 1st = 18.5c
Lowest minimum on the 31st = 6.2c
Minimum Grass Temperature on the 1st = 4.5 c
Ground Frosts = 0
Air frost = 0
Fog Observed =1 on the 14th
Days of Rain, with 1mm or more = 21
Total rain days = 27
Wettest Day 29th = 21.8mm
Days of snow falling = 0.
Days of lying snow at 09:00 GMT = 0
Thunder heard / Thunderstorms = 7 on the 2, 6, 7, 14, 24, 27 and 30th
Highest wind gust = 32mph on the 17^th.
Rainfall total = 158.2mm

Rainfall total to date for 2009 = 456.7mm