Summary for September 2012

Summer warmth lasted until the 15th, then cooler. Dry until the 23rd,
then two very wet days meaning rainfall was well above the average.
Reasonably sunny and a rather windless month (wind run = 1501 miles).

Mean Max: 19.1ºC
Mean Min: 9.3ºC
Mean: 14.2ºC

High Max: 24.3ºC 7th
Low Max: 12.4ºC 23rd
High Min: 14.6ºC 4th
Low Min: 3.3ºC 19th
Grass Min: 1.7ºC 19th

Rain Total (gauge): 73.8 mm
Max 24 hrs: 38.5 mm 24th
Days without any rain: 23
Rain Duration 0.1mm/hour: 28.5 Hours

Total Monthly Sunshine: 163.9 Hours
Most Sunshine in a Day: 12.6 Hours 5th
Sunless Days: 1 Day (23rd)
Cloudless Days: 2 Days
Maximum UV Index: 6.1 1st

Mean 10 Min Wind 39 mph: 0.00 Days
Calm: 4.73 Days
Mean Wind: 2.1 mph
Max Gust: 24 mph 24th

Mean Pressu 1015.9 hPa
Max Pressu 1030.6 hPa 1st
Min Pressu 986.5 hPa 26th

Max Dewpoint: 18.3ºC 3rd
Min Dewpoint: 2.2ºC 19th
Mean Dewpoint: 10.9ºC

Max Humidity: 100% 7th
Min Humidity: 46% 19th
Mean Humidity: 81%

--
Nick G
Otter Valley, Devon
20 m amsl
http://www.ottervalley.co.uk