Daily Report for 11th September 2020

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Measure Value (anomaly) Time Month cumul. Record High Record Low
Minimum Temperature 8.1 °C (-3.4) 04:10 11.1 °C (-0.7) 16.5 °C (+5.0), 2010 8.1 °C (-3.4), 2020
Maximum Temperature 19.3 °C (-0.1) 15:07 20.3 °C (+0.2) 21.7 °C (+2.3), 2018 16.3 °C (-3.1), 2013
Mean Temperature 14.1 °C (-1.8) 15.8 °C (-0.2) 18.7 °C, 2018 13.6 °C, 2013
Minimum Humidity 57% 15:49 59% 76%, 2018 37%, 2012
Maximum Humidity 91% 05:22 91% 94%, 2009 79%, 2012
Mean Humidity 72% 77% 82%, 2018 58%, 2012
Minimum Pressure 1017 hPa 18:37 1020 hPa 1034 hPa, 2009 991 hPa, 2017
Maximum Pressure 1021 hPa 23:32 1024 hPa 1038 hPa, 2009 1001 hPa, 2017
Mean Pressure 1018 hPa 1022 hPa 1036 hPa, 2009 994 hPa, 2017
Mean Wind Speed 2.1 mph (-1.8) 2.8 mph (-1.1) 8.3 mph, 2017 2.1 mph, 2020
Maximum Wind Speed 11.5 mph 17:46 10.3 mph 21.5 mph, 2011 7.4 mph, 2014
Maximum Gust 19.6 mph 13:35 17.4 mph 31.7 mph, 2011 9.8 mph, 2014
Mean Wind Direction WSW
Rainfall 0.0 mm 2.4 mm (11%) 7.7 mm, 2017
Maximum Hourly Rain n/a 5.5, 2017
Maximum 10-min Rain n/a 3.5, 2017
Maximum Rain Rate n/a 53, 2017
Minimum Dew Point 6.0 °C 03:41 8.7 °C 13.6 °C, 2018 1.3 °C, 2012
Maximum Dew Point 11.2 °C 14:34 13.7 °C 17.7 °C, 2018 11.2 °C, 2020
Mean Dew Point 9.1 °C 11.4 °C 15.6 °C, 2018 6.8 °C, 2012
Measure Value Time Month cumul. Record High Record Low
Night Minimum (21-09) 8.1 °C 04:11 11.3 °C 16.5 °C, 2010 8.1 °C, 2020
Day Maximum (09-21) 19.3 °C 15:09 20.3 °C 21.7 °C, 2018 16.3 °C, 2013
Max 10m Temp Rise 0.4 °C 11:35 0.6 °C 1.0 °C, 2016 0.3 °C, 2018
Max 1hr Temp Rise 1.8 °C 12:07 2.5 °C 3.7 °C, 2016 1.3 °C, 2018
Max 1hr Hum Rise 9% 01:14 10% 20%, 2015 4%, 2010
Max 10m Temp Fall 0.9 °C 01:11 0.6 °C 0.9 °C, 2016 0.2 °C, 2010
Max 1hr Temp Fall 2.7 °C 01:11 2.2 °C 3.2 °C, 2016 1.1 °C, 2010
Max 1hr Hum Fall 8% 10:55 11% 28%, 2016 4%, 2018
Max 10m Wind Speed 7.6 mph 13:08 7.2 mph 14.4 mph, 2017 4.3 mph, 2014
Minimum Feels-like 7.5 °C 04:27 11.8 °C 19.6 °C, 2018 7.3 °C, 2016
Maximum Feels-like 21.1 °C 15:04 23.2 °C 27.5 °C, 2018 17.4 °C, 2013
Mean Feels-like 15.0 °C 17.9 °C 23.1 °C, 2018 14.7 °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 11.2 °C (+3.2) 9.2 °C (+0.8) 12.5 °C (+4.5), 2016 4.5 °C (-3.5), 2010
Humidity Range 34% 32% 51%, 2015 13%, 2019
Pressure Range 4 hPa 3 hPa 10 hPa, 2017 2 hPa, 2013
Measure Value [% of max] Month cumul. Record High Record Low
Sun Hours 6 [51%]51 hrs (97%) [39%] 11.7 [100%], 2016 0 [0%], 2014
Wet Hours 05.5 hrs (37%) [2.1%] 4, 2013 0, 2009
Cloud Cover am: Hazy
pm: Mostly Sunny or Hazy
Events None
Comments -
Extra Comments
Issues None known
Observer Absent? Yes - observations may be unreliable
Pond Temperature (Heath) 16.5 °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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