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 Pressure: 1017.1 hPa    
Max Pressure: 1038.9 hPa 13th
Min Pressure: 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%

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