Summary for January 2018

Warmer than normal with around average rainfall and just a little below
my estimated LTA for sunshine. Overall, a generally mild and pleasant month.

Mean Max: 10.5ºC
Mean Min: 3.7ºC
Mean: 7.1ºC

High Max: 14.0ºC 23rd
Low Max: 4.3ºC 8th
High Min: 10.7ºC 28th
Low Min: -2.4ºC 30th
Grass Min: -4.4ºC 6th

Days 10°C 18 Days
Days 5°C 30 Days
Nights 10°C 2 Days
Nights 5°C 11 Days

Rain Total (gauge): 82.7 mm
Rain Days 0.2 mm: 20 Days
Rain Days 1.0 mm: 15 Days
Max 24 hrs: 9.8 mm 16th
Days without any rain: 11

Air Frost: 6 Days
Grass Frost: 16 Days
Snow Falling: 0 Days
Snow (50%) @ 9am: 0 Days
Thunder Heard: 1 Day 3rd
Hail 5 mm: 4 Days
Hail 5 mm: 0 Days
Fog @ 9am: 2 Days

Total Monthly Sunshine: 77.4 Hours
Most Sunshine in a Day: 7.2 Hours 7th
Average Daily Sunshine: 2.5 Hours
Sunless Days: 6 Days
Cloudless Days: 2 Days
Total Possible Sunshine: 265.3 Hours
Percentage of Total Sun: 29%
Average Sunny Interval: 15.9 mins

Ave 10 Min Wind 39 mph: 0.00 Days
Calm: 5.63 Days 18%
Mean Wind: 3.8 mph
Max Gust: 46 mph 24th
Mean Cloud Cover: 66%

Mean Pressu 1010.9 hPa
Max Pressu 1033.6 hPa 28th
Min Pressu 992.4 hPa 5th

Max Dewpoint: 12.6ºC 4th
Min Dewpoint: -3.1ºC 30th
Mean Dewpoint: 5.1ºC

Max Humidity: 100% Several days
Min Humidity: 65% 25th
Mean Humidity: 87%

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