Summary for July 2013

A warm and very sunny month. Apart from any early mist and fog, the
skies were cloudless from the 5th to the 22nd giving 254 hours of
sunshine during those 18 days. That is an average of 14.1 hours of
sunshine a day. As with June this was another much drier than normal
month and despite 26.7 mm of rain falling during the last 7 days, the
soils remain very dry and the countryside brown.

Mean Max: 24.9ºC (+4.0ºC)
Mean Min: 12.8ºC (-0.3ºC)
Mean: 18.9ºC (+1.9ºC)

High Max: 30.5ºC 13th
Low Max: 15.6ºC 2nd
High Min: 16.6ºC 23rd
Low Min: 7.2ºC 12th
Grass Min: 6.1ºC 10th

Rain Total (gauge): 28.2 mm (57%)
Rain Days 0.2 mm: 6 Days
Rain Days 1.0 mm: 6 Days
Max 24 hrs: 10.3 mm 25th
Days without any rain: 25

Thunder Heard: 4 Days
Hail 5 mm: 0 Days
Hail 5 mm: 0 Days
Fog @ 9am: 3 Days

Total Monthly Sunshine: 328.2 Hours (158%)
Most Sunshine in a Day: 15.4 Hours 5th
Average Daily Sunshine: 10.6 Hours
Sunless Days: 1 Day (2nd)
Total Possible Sunshine: 494.7 Hours
Percentage of Total Sun: 66%
Maximum UV Index: 7.4 28th

Mean Soil Temp @ 30 cm: 19.9ºC
Mean Soil Temp @ 100 cm: 17.9ºC

Ave 10 Min Wind 39 mph: 0.00 Days
Calm: 1.49 Days
Mean Wind: 2.4 mph
Max Gust: 26 mph 28th

Mean Cloud Cover: 58%
Mean RH @ 9am: 89%
Rain 0.1mm/hour: 16.5 Hours

Mean Pressu 1019.6 hPa
Max Pressu 1032.3 hPa 8th
Min Pressu 1003.7 hPa 3rd

Max Dewpoint: 19.8ºC 14th
Min Dewpoint: 6.2ºC 12th
Mean Dewpoint: 14.2ºC

Max Humidity: 100% 13th
Min Humidity: 27% 9th
Mean Humidity: 77%

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