Daily Report for 12th September 2020

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Measure Value (anomaly) Time Month cumul. Record High Record Low
Minimum Temperature 12.6 °C (+1.2) 04:32 11.2 °C (-0.5) 14.6 °C (+3.2), 2011 8.5 °C (-2.9), 2012
Maximum Temperature 21.2 °C (+2.0) 16:17 20.4 °C (+0.3) 24.4 °C (+5.2), 2016 16.3 °C (-2.9), 2018
Mean Temperature 16.8 °C (+1.6) 15.8 °C (-0.1) 18.4 °C, 2019 13.1 °C, 2018
Minimum Humidity 49% 16:05 58% 72%, 2013 48%, 2011
Maximum Humidity 83% 06:07 90% 97%, 2013 83%, 2012
Mean Humidity 70% 76% 87%, 2018 65%, 2015
Minimum Pressure 1017 hPa 04:05 1020 hPa 1028 hPa, 2009 995 hPa, 2017
Maximum Pressure 1024 hPa 23:01 1024 hPa 1034 hPa, 2009 1007 hPa, 2017
Mean Pressure 1020 hPa 1022 hPa 1031 hPa, 2009 1004 hPa, 2017
Mean Wind Speed 3.4 mph (-0.5) 2.9 mph (-1.0) 10.8 mph, 2011 1.6 mph, 2018
Maximum Wind Speed 11.8 mph 09:58 10.4 mph 22.1 mph, 2011 6.7 mph, 2013
Maximum Gust 19.6 mph 09:59 17.6 mph 37.4 mph, 2011 8.7 mph, 2013
Mean Wind Direction WSW
Rainfall 0.0 mm 2.4 mm (11%) 3.1 mm, 2018
Maximum Hourly Rain n/a 2.3, 2012
Maximum 10-min Rain n/a 2.3, 2012
Maximum Rain Rate n/a 60, 2012
Minimum Dew Point 9.3 °C 03:27 8.7 °C 11.8 °C, 2019 2.6 °C, 2012
Maximum Dew Point 13.1 °C 21:43 13.6 °C 17.2 °C, 2011 11.3 °C, 2012
Mean Dew Point 11.0 °C 11.4 °C 14.7 °C, 2019 6.7 °C, 2012
Measure Value Time Month cumul. Record High Record Low
Night Minimum (21-09) * 11.9 °C * 23:58 11.3 °C 15.5 °C, 2015 8.5 °C, 2012
Day Maximum (09-21) 21.2 °C 16:17 20.4 °C 24.4 °C, 2016 14.6 °C, 2018
Max 10m Temp Rise 0.6 °C 09:29 0.6 °C 0.8 °C, 2012 0.3 °C, 2018
Max 1hr Temp Rise 2.3 °C 09:48 2.5 °C 3.4 °C, 2012 1.1 °C, 2018
Max 1hr Hum Rise 14% 21:05 10% 14%, 2017 5%, 2011
Max 10m Temp Fall 0.4 °C 20:26 0.6 °C 1.0 °C, 2012 0.4 °C, 2010
Max 1hr Temp Fall 1.7 °C 20:40 2.1 °C 2.6 °C, 2012 1.0 °C, 2013
Max 1hr Hum Fall 8% 10:16 11% 16%, 2014 6%, 2013
Max 10m Wind Speed 8.5 mph 13:35 7.3 mph 14.8 mph, 2011 5.3 mph, 2013
Minimum Feels-like 13.6 °C 04:14 12.0 °C 15.6 °C, 2019 6.1 °C, 2012
Maximum Feels-like 22.9 °C 14:51 23.1 °C 28.9 °C, 2016 18.3 °C, 2012
Mean Feels-like 18.6 °C 18.0 °C 22.2 °C, 2019 13.3 °C, 2012
Air-frost Hrs 0 hrs 0 hrs 0 hrs, 2009 0 hrs, 2009
Measure Value (anomaly) Month cumul. Record High Record Low
Temperature Range 8.6 °C (+0.7) 9.2 °C (+0.8) 14.4 °C (+6.5), 2016 5.7 °C (-2.2), 2013
Humidity Range 34% 32% 44%, 2011 23%, 2018
Pressure Range 7 hPa 4 hPa 12 hPa, 2017 2 hPa, 2016
Measure Value [% of max] Month cumul. Record High Record Low
Sun Hours 7 [60%]58 hrs (101%) [41%] 10 [86%], 2009 0.1 [1%], 2018
Wet Hours 05.5 hrs (34%) [1.9%] 6, 2018 0, 2009
Cloud Cover am: Partly Cloudy
pm: Sunny
Events None
Comments -
Extra Comments
Issues None known
Observer Absent? No
Pond Temperature (Heath) 16.0 °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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