Daily Report for 27th September 2020

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Measure Value (anomaly) Time Month cumul. Record High Record Low
Minimum Temperature 10.1 °C (-0.2) 04:13 11.3 °C (+0.1) 13.3 °C (+3.0), 2017 8.7 °C (-1.6), 2015
Maximum Temperature 13.2 °C (-3.8) 16:48 20.7 °C (+1.9) 23.6 °C (+6.6), 2018 13.2 °C (-3.8), 2020
Mean Temperature 11.3 °C (-2.0) 15.8 °C (+1.0) 17.0 °C, 2018 11.3 °C, 2020
Minimum Humidity 74% 16:53 56% 80%, 2010 29%, 2018
Maximum Humidity 81% 23:46 90% 98%, 2010 81%, 2020
Mean Humidity 77% 75% 91%, 2010 62%, 2018
Minimum Pressure 1012 hPa 05:27 1016 hPa 1031 hPa, 2015 999 hPa, 2012
Maximum Pressure 1015 hPa 22:16 1021 hPa 1036 hPa, 2015 1008 hPa, 2019
Mean Pressure 1013 hPa 1018 hPa 1033 hPa, 2015 1005 hPa, 2019
Mean Wind Speed 4.4 mph (+0.5) 3.1 mph (-0.8) 7.1 mph, 2019 0.8 mph, 2014
Maximum Wind Speed 14.5 mph 09:41 11.8 mph 20.8 mph, 2016 4.9 mph, 2014
Maximum Gust 26.5 mph 09:05 20.1 mph 33.9 mph, 2016 7.8 mph, 2014
Mean Wind Direction N
Rainfall 0.0 mm 12.0 mm (23%) 13.9 mm, 2017
Maximum Hourly Rain n/a 4.8, 2017
Maximum 10-min Rain n/a 3.5, 2019
Maximum Rain Rate n/a 92, 2019
Minimum Dew Point 6.1 °C 04:03 8.7 °C 12.5 °C, 2017 4.3 °C, 2018
Maximum Dew Point 8.9 °C 16:41 13.5 °C 15.8 °C, 2011 8.9 °C, 2020
Mean Dew Point 7.5 °C 11.2 °C 13.6 °C, 2011 7.5 °C, 2020
Measure Value Time Month cumul. Record High Record Low
Night Minimum (21-09) 10.1 °C 05:51 11.7 °C 13.3 °C, 2017 8.7 °C, 2015
Day Maximum (09-21) 13.2 °C 16:49 20.7 °C 23.6 °C, 2018 13.2 °C, 2020
Max 10m Temp Rise 0.4 °C 10:42 0.7 °C 0.8 °C, 2018 0.3 °C, 2011
Max 1hr Temp Rise 1.3 °C 10:49 2.5 °C 3.3 °C, 2018 1.3 °C, 2011
Max 1hr Hum Rise 2% 07:26 10% 17%, 2012 2%, 2020
Max 10m Temp Fall 0.2 °C 17:32 0.6 °C 0.8 °C, 2018 0.1 °C, 2010
Max 1hr Temp Fall 0.8 °C 18:23 2.1 °C 3.1 °C, 2018 0.4 °C, 2010
Max 1hr Hum Fall 4% 10:56 11% 19%, 2018 4%, 2020
Max 10m Wind Speed 11.0 mph 11:00 8.0 mph 14.5 mph, 2016 3.7 mph, 2014
Minimum Feels-like 10.1 °C 03:23 11.9 °C 15.8 °C, 2017 7.2 °C, 2015
Maximum Feels-like 14.0 °C 16:33 23.4 °C 24.5 °C, 2011 14.0 °C, 2020
Mean Feels-like 11.6 °C 17.8 °C 19.4 °C, 2017 11.6 °C, 2020
Air-frost Hrs 0 hrs 0 hrs 0 hrs, 2009 0 hrs, 2009
Measure Value (anomaly) Month cumul. Record High Record Low
Temperature Range 3.1 °C (-3.6) 9.4 °C (+1.7) 13.3 °C (+6.6), 2018 3.1 °C (-3.6), 2020
Humidity Range 7% 34% 61%, 2018 7%, 2020
Pressure Range 3 hPa 5 hPa 14 hPa, 2012 2 hPa, 2009
Measure Value [% of max] Month cumul. Record High Record Low
Sun Hours 1 [9%]169 hrs (136%) [55%] 10.8 [101%], 2018 0.1 [1%], 2010
Wet Hours 014 hrs (37%) [2.1%] 4, 2017 0, 2009
Cloud Cover unknown
Events None
Comments blr
Extra Comments
Issues None known
Observer Absent? No
Pond Temperature (Heath) 13.0 °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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