Summary for Jan 2008

Another warm January but mean temperatures were not quite as high as last
year's. There was a consecutive period of warmth from 07:45 on the 18th to
20:00 on the 21st when temperatures did not fall below 10.0C, a total of
84.25 hours. Sunshine levels were disappointingly low during the 3rd week
(15th to the 21st) with only 3.1 hours of sunshine, compare this to the last
7 days of the month when there was 38.4 hours of sunshine, over half of the
total for the month.

Mean Max: 10.3C
Mean Min: 4.5C
Mean: 7.4C (Jan 2007 mean = 7.6C).

High Max: 13.9C 19th
Low Max: 3.0C 3rd
High Min: 12.1C 19th
Low Min: -0.8C 6th
Mean Grass Min: 1.1C
Grass Min: -4.1C 6th

Rain Total (gauge): 107.0 mm
Rain Days 0.2 mm: 20 Days
Rain Days 1.0 mm: 14 Days
Max 24 hrs: 16.6 mm 17th
Days without any rain: 8 Days

Air Frost: 2 Days
Ground Frost: 14 Days
Snow Falling: 0 Days
Snow (50%) @ 9am: 0 Days
Thunder Heard: 1 Days 5th
Hail 5 mm: 0 Days
Hail 5 mm: 0 Days
Fog @ 9am: 0 Days

Total Monthly Sunshine: 67 hours 25 mins
Most Sunshine in a Day: 8 hours 56 mins 27th
Average Daily Sunshine: 2 hours 10 mins
Sunless days: 5 Days
Total Possible Sunshine: 261 hours 21 mins
Percentage of Total Sun: 26%

Mean Soil Temp @ 30 cm: 6.9C
Mean Soil Temp @ 100 cm: 7.6C

Mean Wind: 5.4 mph
Max Gust: 43 mph 10th

Cloud cover: 64%
Mean RH @ 9am: 85%
Rain Duration 0.1mm/hour: 50.3 Hours
Frost Duration: 7.0 Hours

Mean Pressure @ 9am: 1010.7 mb
Mean Pressure 1012.4 mb
Max Pressu 1038.5 mb 25th
Min Pressu 976.8 mb 15th

Max Dewpoint: 10.8C 18th
Min Dewpoint: -3.7C 3rd
Mean Dewpoint: 4.0C

Max Humidity: 90% 6th
Min Humidity: 58% 24th
Mean Humidity: 81%
________________
Nick G
Otter Valley, Devon
83 m amsl
http://www.ottervalley.co.uk