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uk.sci.weather (UK Weather) (uk.sci.weather) For the discussion of daily weather events, chiefly affecting the UK and adjacent parts of Europe, both past and predicted. The discussion is open to all, but contributions on a practical scientific level are encouraged. |
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Summary for May 2019
This May was dominated by cool nights but with plenty of warm and often sunny afternoons made for a rather beautiful month. The first May air frosts ever recorded at this station occurred on the 5th & 6th though they were slight. Rain only fell on 4 days. Overall though it was cooler, drier and sunnier than average. Coolest May since 2013 (11.3°C), driest since 2010 (24 mm), sunniest since 2018 (268 hours). Mean Max: 17.8ºC Mean Min: 6.3ºC Mean: 12.1ºC High Max: 22.3ºC 25th Low Max: 13.3ºC 5th High Min: 13.7ºC 31st Low Min: -0.6ºC 5th Grass Min: -1.7ºC 5th Days 20°C 7 Days Days 15°C 26 Days Nights 10°C 3 Days Nights 5°C 10 Days Rain Total (gauge): 29.0 mm Rain Days 0.2 mm: 4 Days Rain Days 1.0 mm: 2 Days Max 24 hrs: 15.6 mm 8th Days without any rain: 27 Air Frost: 2 Days Grass Frost: 2 Days Snow Falling: 0 Days Thunder Heard: 1 Day 19th Hail 5 mm: 0 Days Hail 5 mm: 0 Days Fog @ 9am: 0 Days Total Monthly Sunshine: 244.2 Hours Most Sunshine in a Day: 14.9 Hours 22nd Average Daily Sunshine: 7.9 Hours Sunless Days: 0 Days Cloudless Days: 5 Days Total Possible Sunshine: 480.9 Hours Percentage of Total Sun: 51% Average Sunny Interval: 22.1 mins Ave 10 Min Wind 39 mph: 0.00 Days Calm: 5.47 Days 18% Mean Wind: 2.8 mph Max Gust: 33 mph 8th Mean Cloud Cover: 48% Mean RH @ 9am: 86% Mean Pressu 1017.1 hPa Max Pressu 1038.9 hPa 13th Min Pressu 989.9 hPa 8th Max Dewpoint: 16.3ºC 26th Min Dewpoint: -2.2ºC 4th Mean Dewpoint: 7.9ºC Max Humidity: 97% 2nd Min Humidity: 32% 4th Mean Humidity: 76% -- Nick Gardner Otter Valley, Devon 20 m amsl http://www.ottervalleyweather.me.uk |
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