Daily Report for 9th September 2020

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Measure Value (anomaly) Time Month cumul. Record High Record Low
Minimum Temperature 13.4 °C (+1.8) 23:55 11.6 °C (-0.3) 15.7 °C (+4.1), 2011 9.3 °C (-2.3), 2013
Maximum Temperature 21.5 °C (+1.7) 16:47 20.6 °C (+0.3) 27.6 °C (+7.8), 2012 12.9 °C (-6.9), 2013
Mean Temperature 17.9 °C (+1.7) 16.1 °C (-0.0) 18.5 °C, 2011 11.1 °C, 2013
Minimum Humidity 65% 20:09 61% 84%, 2013 30%, 2012
Maximum Humidity 87% 01:00 92% 96%, 2011 82%, 2009
Mean Humidity 78% 78% 92%, 2013 60%, 2012
Minimum Pressure 1023 hPa 06:24 1020 hPa 1023 hPa, 2020 996 hPa, 2017
Maximum Pressure 1026 hPa 23:57 1024 hPa 1033 hPa, 2009 1002 hPa, 2017
Mean Pressure 1024 hPa 1022 hPa 1027 hPa, 2009 998 hPa, 2017
Mean Wind Speed 3.9 mph (+0.0) 3.1 mph (-0.8) 11.4 mph, 2016 1.7 mph, 2014
Maximum Wind Speed 11.5 mph 04:39 10.7 mph 21.9 mph, 2016 7.8 mph, 2014
Maximum Gust 18.4 mph 02:50 17.9 mph 33.9 mph, 2016 10.7 mph, 2014
Mean Wind Direction WNW
Rainfall 0.0 mm 2.4 mm (14%) 6.8 mm, 2013
Maximum Hourly Rain n/a 3.6, 2011
Maximum 10-min Rain n/a 1.9, 2011
Maximum Rain Rate n/a 20, 2011
Minimum Dew Point 8.9 °C 23:55 9.1 °C 14.6 °C, 2011 5.4 °C, 2009
Maximum Dew Point 17.0 °C 15:14 14.3 °C 17.7 °C, 2011 11.7 °C, 2019
Mean Dew Point 14.0 °C 12.0 °C 15.9 °C, 2011 9.1 °C, 2009
Measure Value Time Month cumul. Record High Record Low
Night Minimum (21-09) * 15.3 °C * 05:41 11.8 °C 15.7 °C, 2011 9.3 °C, 2013
Day Maximum (09-21) 21.5 °C 16:36 20.6 °C 27.6 °C, 2012 12.9 °C, 2013
Max 10m Temp Rise 0.6 °C 10:47 0.6 °C 0.9 °C, 2012 0.3 °C, 2011
Max 1hr Temp Rise 2.1 °C 11:14 2.6 °C 4.7 °C, 2012 1.0 °C, 2013
Max 1hr Hum Rise 4% 19:39 10% 19%, 2017 3%, 2011
Max 10m Temp Fall 0.8 °C 19:47 0.6 °C 0.9 °C, 2017 0.2 °C, 2013
Max 1hr Temp Fall 2.2 °C 19:47 2.1 °C 2.8 °C, 2012 0.6 °C, 2019
Max 1hr Hum Fall 9% 20:11 12% 26%, 2015 5%, 2013
Max 10m Wind Speed 8.5 mph 09:43 7.6 mph 17.2 mph, 2016 5.6 mph, 2014
Minimum Feels-like 14.2 °C 23:52 12.7 °C 19.4 °C, 2011 7.8 °C, 2013
Maximum Feels-like 26.7 °C 16:20 23.8 °C 28.4 °C, 2012 15.2 °C, 2013
Mean Feels-like 21.4 °C 18.5 °C 23.1 °C, 2011 12.3 °C, 2013
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 (-0.1) 9.0 °C (+0.5) 17.5 °C (+9.3), 2012 3.6 °C (-4.6), 2013
Humidity Range 22% 31% 54%, 2012 11%, 2013
Pressure Range 4 hPa 3 hPa 12 hPa, 2009 2 hPa, 2011
Measure Value [% of max] Month cumul. Record High Record Low
Sun Hours 2 [17%]36 hrs (82%) [33%] 10 [85%], 2012 0 [0%], 2019
Wet Hours 05.5 hrs (45%) [2.5%] 5, 2013 0, 2009
Cloud Cover Mostly Cloudy
Events None
Comments -
Extra Comments
Issues None known
Observer Absent? No
Pond Temperature (Heath) 17.0 °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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