Daily Report for 20th May 2020

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Measure Value (anomaly) Time Month cumul. Record High Record Low
Minimum Temperature 12.3 °C (+3.5) 05:41 6.8 °C (-0.8) 14.1 °C (+5.3), 2014 5.1 °C (-3.7), 2015
Maximum Temperature 27.4 °C (+10.2) 16:05 18.5 °C (+2.4) 27.4 °C (+10.2), 2020 11.7 °C (-5.5), 2012
Mean Temperature 21.1 °C (+6.9) 13.0 °C (+0.8) 21.1 °C, 2020 10.1 °C, 2012
Minimum Humidity 36% 17:00 43% 80%, 2012 36%, 2020
Maximum Humidity 86% 06:12 85% 93%, 2013 67%, 2011
Mean Humidity 56% 64% 85%, 2013 53%, 2011
Minimum Pressure 1021 hPa 18:16 1018 hPa 1030 hPa, 2010 1003 hPa, 2014
Maximum Pressure 1024 hPa 00:59 1023 hPa 1033 hPa, 2010 1010 hPa, 2014
Mean Pressure 1022 hPa 1020 hPa 1032 hPa, 2010 1006 hPa, 2014
Mean Wind Speed 3.5 mph (-1.2) 4.3 mph (-0.4) 5.8 mph, 2012 1.5 mph, 2019
Maximum Wind Speed 11.4 mph 14:30 12.6 mph 15.2 mph, 2017 7.1 mph, 2010
Maximum Gust 18.4 mph 13:25 19.2 mph 24.1 mph, 2017 10.0 mph, 2010
Mean Wind Direction SW
Rainfall 0.0 mm 4.6 mm (14%) 1.5 mm, 2017
Maximum Hourly Rain n/a 1, 2017
Maximum 10-min Rain n/a 0.8, 2017
Maximum Rain Rate n/a 18, 2017
Minimum Dew Point 7.9 °C 21:20 3.0 °C 8.3 °C, 2010 1.1 °C, 2015
Maximum Dew Point 14.9 °C 12:22 8.5 °C 14.9 °C, 2010 5.7 °C, 2015
Mean Dew Point 11.3 °C 5.9 °C 11.6 °C, 2010 3.2 °C, 2015
Measure Value Time Month cumul. Record High Record Low
Night Minimum (21-09) 12.3 °C 05:41 7.3 °C 15.3 °C, 2014 5.1 °C, 2015
Day Maximum (09-21) 27.4 °C 16:06 18.5 °C 27.4 °C, 2020 11.7 °C, 2012
Max 10m Temp Rise 0.7 °C 07:02 0.7 °C 0.9 °C, 2009 0.4 °C, 2012
Max 1hr Temp Rise 3.5 °C 07:50 2.9 °C 3.5 °C, 2020 1.1 °C, 2012
Max 1hr Hum Rise 7% 02:34 10% 12%, 2018 2%, 2012
Max 10m Temp Fall 0.4 °C 00:30 0.7 °C 0.9 °C, 2017 0.2 °C, 2012
Max 1hr Temp Fall 2.0 °C 20:55 2.2 °C 2.8 °C, 2019 0.5 °C, 2012
Max 1hr Hum Fall 11% 07:29 14% 15%, 2018 5%, 2012
Max 10m Wind Speed 8.9 mph 15:25 9.1 mph 11.2 mph, 2017 4.9 mph, 2019
Minimum Feels-like 13.4 °C 05:33 4.7 °C 14.9 °C, 2016 2.0 °C, 2015
Maximum Feels-like 30.5 °C 14:14 19.2 °C 30.5 °C, 2020 12.4 °C, 2012
Mean Feels-like 23.1 °C 12.8 °C 23.1 °C, 2020 9.5 °C, 2015
Air-frost Hrs 0 hrs 0 hrs 0 hrs, 2009 0 hrs, 2009
Measure Value (anomaly) Month cumul. Record High Record Low
Temperature Range 15.1 °C (+6.7) 11.7 °C (+3.2) 15.1 °C (+6.7), 2020 3.1 °C (-5.3), 2012
Humidity Range 50% 42% 50%, 2020 7%, 2012
Pressure Range 3 hPa 5 hPa 13 hPa, 2015 2 hPa, 2012
Measure Value [% of max] Month cumul. Record High Record Low
Sun Hours 14.4 [100%]184 hrs (152%) [66%] 14.4 [100%], 2018 0 [0%], 2012
Wet Hours 02 hrs (8%) [0.4%] 1, 2013 0, 2009
Cloud Cover Sunny
Events Maximum possible sunshine
Comments -
Extra Comments
Issues None known
Observer Absent? Yes - observations may be unreliable
Pond Temperature (Heath) 5.0 °C
Notes
Times of extremes are computed using the midpoint of the longest continuous period at that extreme value.
Cumulative anomalies are reported according to the expected value for the month-to-date rather than month-end.
Sun hrs, Wet hrs, Cloud cover and Events are based on manual equipment/observations (entered with a delay of 1-10 days); their reliablity is questionable and they are provided for interest only.
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