Summary for April 2018

A mild, wet and dull month. Lowest April sunshine in my record (2006)
and the 2nd wettest. Warmest April since 2011 (13.0C).

Mean Max: 14.8ºC
Mean Min: 7.2ºC
Mean: 11.0ºC

High Max: 25.2ºC 19th
Low Max: 9.0ºC 1st
High Min: 11.1ºC 18th
Low Min: 0.8ºC 5th
Grass Min: -2.2ºC 5th

Days 15°C 11 Days
Days 10°C 29 Days
Nights 10°C 3 Days
Nights 5°C 24 Days

Rain Total (gauge): 81.6 mm
Rain Days 0.2 mm: 13 Days
Rain Days 1.0 mm: 11 Days
Max 24 hrs: 12.4 mm 10th
Days without any rain: 17

Air Frost: 0 Days
Grass Frost: 1 Day 5th
Snow Falling: 0 Days
Snow (50%) @ 9am: 0 Days
Thunder Heard: 1 Day 21st
Hail 5 mm: 0 Days
Hail 5 mm: 0 Days
Fog @ 9am: 1 Day 14th

Total Monthly Sunshine: 128.8 Hours
Most Sunshine in a Day: 13.2 Hours 19th
Average Daily Sunshine: 4.3 Hours
Sunless Days: 4 Days
Cloudless Days: 3 Days
Total Possible Sunshine: 415.1 Hours
Percentage of Total Sun: 31%
Average Sunny Interval: 15.0 mins

Ave 10 Min Wind 39 mph: 0.00 Days
Calm: 4.22 Days 17%
Mean Wind: 4.0 mph
Max Gust: 32 mph 16th

Mean Pressu 1009.4 hPa
Max Pressu 1025.6 hPa 18th
Min Pressu 986.5 hPa 4th

Max Dewpoint: 16.4ºC 19th
Min Dewpoint: -0.3ºC 5th
Mean Dewpoint: 8.1ºC

Max Humidity: 100% 14th
Min Humidity: 45% 19th
Mean Humidity: 83%

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