Daily Report for 21st June 2020

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Measure Value (anomaly) Time Month cumul. Record High Record Low
Minimum Temperature 14.7 °C (+3.2) 07:42 11.6 °C (+0.7) 15.6 °C (+4.1), 2017 10.5 °C (-1.0), 2019
Maximum Temperature 22.8 °C (+1.9) 16:33 20.1 °C (+0.2) 33.0 °C (+12.1), 2017 19.8 °C (-1.1), 2012
Mean Temperature 18.1 °C (+2.6) 15.8 °C (+0.4) 24.5 °C, 2017 15.6 °C, 2012
Minimum Humidity 48% 16:13 53% 66%, 2013 34%, 2018
Maximum Humidity 91% 08:42 89% 94%, 2012 69%, 2014
Mean Humidity 69% 72% 81%, 2012 51%, 2014
Minimum Pressure 1015 hPa 06:06 1011 hPa 1023 hPa, 2009 1001 hPa, 2012
Maximum Pressure 1024 hPa 23:58 1016 hPa 1030 hPa, 2018 1011 hPa, 2011
Mean Pressure 1018 hPa 1013 hPa 1026 hPa, 2018 1006 hPa, 2012
Mean Wind Speed 6.9 mph (+2.5) 4.3 mph (-0.1) 8.2 mph, 2011 2.4 mph, 2010
Maximum Wind Speed 16.8 mph 17:59 12.8 mph 19.7 mph, 2011 7.5 mph, 2010
Maximum Gust 24.2 mph 17:34 20.1 mph 32.9 mph, 2011 10.6 mph, 2010
Mean Wind Direction SW
Rainfall 0.9 mm 31.8 mm (83%) 6.9 mm, 2012
Maximum Hourly Rain 0.9 mm 08:00 4.3 mm, 2012
Maximum 10-min Rain 0.3 mm 07:30 4.3 mm, 2012
Maximum Rain Rate 1.0 mm/h 07:14 90 mm/h, 2013
Minimum Dew Point 8.8 °C 23:37 8.5 °C 12.7 °C, 2017 3.7 °C, 2018
Maximum Dew Point 15.0 °C 10:36 12.7 °C 18.9 °C, 2017 9.2 °C, 2018
Mean Dew Point 12.1 °C 10.5 °C 16.1 °C, 2017 5.9 °C, 2018
Measure Value Time Month cumul. Record High Record Low
Night Minimum (21-09) 14.7 °C 07:42 11.7 °C 15.6 °C, 2017 10.5 °C, 2019
Day Maximum (09-21) 22.8 °C 16:34 20.1 °C 33.0 °C, 2017 19.8 °C, 2012
Max 10m Temp Rise 0.7 °C 11:29 0.7 °C 1.0 °C, 2012 0.5 °C, 2010
Max 1hr Temp Rise 2.5 °C 11:33 2.2 °C 2.5 °C, 2020 1.5 °C, 2015
Max 1hr Hum Rise 13% 18:22 10% 16%, 2014 6%, 2016
Max 10m Temp Fall 0.8 °C 18:02 0.7 °C 0.8 °C, 2013 0.3 °C, 2016
Max 1hr Temp Fall 2.4 °C 18:14 1.9 °C 2.7 °C, 2013 1.1 °C, 2016
Max 1hr Hum Fall 15% 11:19 12% 16%, 2015 6%, 2010
Max 10m Wind Speed 12.2 mph 18:01 9.4 mph 15.0 mph, 2011 6.1 mph, 2017
Minimum Feels-like 15.5 °C 23:52 12.2 °C 18.2 °C, 2017 10.8 °C, 2018
Maximum Feels-like 25.0 °C 16:46 22.1 °C 38.7 °C, 2017 20.8 °C, 2018
Mean Feels-like 20.4 °C 17.5 °C 29.3 °C, 2017 15.8 °C, 2018
Air-frost Hrs 0 hrs 0 hrs 0 hrs, 2009 0 hrs, 2009
Measure Value (anomaly) Month cumul. Record High Record Low
Temperature Range 8.1 °C (-1.3) 8.5 °C (-0.6) 17.4 °C (+8.0), 2017 5.6 °C (-3.8), 2015
Humidity Range 43% 36% 47%, 2015 21%, 2013
Pressure Range 9 hPa 5 hPa 10 hPa, 2012 2 hPa, 2010
Measure Value [% of max] Month cumul. Record High Record Low
Sun Hours 6 [40%]101 hrs (76%) [32%] 14 [93%], 2017 1 [7%], 2012
Wet Hours 2
[Mean rain rate: 0.5 mm/h]
32 hrs (122%) [6.3%] 4, 2012 0, 2009
Cloud Cover unknown
Events None
Comments blr
Extra Comments
Issues None known
Observer Absent? No
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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