Summary for 2014

A warm and thundery year with well-above average rainfall and slightly
above average sunshine. As with 2007, 2011 & 2012 - snowless.

Mean Max: 16.4ºC
Mean Min: 7.9ºC
Mean: 12.1ºC

High Max: 29.1ºC 23 Jul
Low Max: 5.2ºC 30 Jan
High Min: 17.3ºC 18 Jul
Low Min: -5.6ºC 29 Dec
Grass Min: -8.7ºC 29 Dec

Rain Total (gauge): 1036.2 mm
Rain Days 0.2 mm: 169 Days
Rain Days 1.0 mm: 143 Days
Max 24 hrs: 30.7 mm 16 Nov
Days without any rain: 196

Air Frost: 18 Days
Grass Frost: 74 Days
Snow Falling: 0 Days
Snow (50%) @ 9am: 0 Days
Thunder Heard: 21 Days
Hail 5 mm: 11 Days
Hail 5 mm: 0 Days
Fog @ 9am: 7 Days

Total Annual Sunshine: 1959.8 Hours
Most Sunshine in a Day: 15.6 Hours 20 Jun
Average Daily Sunshine: 5.4 Hours
Sunless Days: 34 Days
Cloudless Days: 38 Days
Total Possible Sunshine: 4478 Hours
Percentage of Total Sun: 44%
Maximum UV Index: 10.0 14 Jul
Time of Max UV: 13:17

Mean Soil Temp @ 30 cm: 14.1ºC
Min Soil Temp @ 30 cm: 6.6ºC 21 Jan
Max Soil Temp @ 30 cm: 21.3ºC 27 Jul
Mean Soil Temp @ 100 cm: 14.4ºC
Min Soil Temp @ 100 cm: 9.3ºC 15 Feb
Max Soil Temp @ 100 cm: 19.6ºC 01 Aug

Ave 10 Min Wind 39 mph: 0.00 Days
Calm: 25.1 Days
Wind Chill Low: -8.0ºC 29 Dec
Mean Wind: 4.0 mph
Max Gust: 56 mph 14 Feb

Mean Cloud Cover: 50%
Mean RH @ 9am: 91%
Rain 0.1mm/hour: 492 Hours
Frost Duration: 144 Hours
Air Frost in a Day: 17.5 Hours 29 Dec

Mean Pressu 1011.9 hPa
Max Pressu 1042.6 hPa 29 Dec
Min Pressu 970.3 hPa 14 Feb

Max Dewpoint: 20.3ºC 05 Aug
Min Dewpoint: -6.4ºC 29 Dec
Mean Dewpoint: 9.3ºC

Max Humidity: 100% (several days)
Min Humidity: 35% 07 Aug
Mean Humidity: 84%

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