Daily Report for 20th November 2020

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Measure Value (anomaly) Time Month cumul. Record High Record Low
Minimum Temperature 2.2 °C (-2.2) 06:21 7.1 °C (+1.6) 10.8 °C (+6.4), 2012 -0.8 °C (-5.2), 2013
Maximum Temperature 10.4 °C (+0.7) 23:34 13.1 °C (+2.6) 13.8 °C (+4.1), 2009 4.9 °C (-4.8), 2018
Mean Temperature 6.5 °C (-0.7) 10.3 °C (+2.1) 12.4 °C, 2009 2.6 °C, 2013
Minimum Humidity 81% 11:14 76% 96%, 2011 63%, 2015
Maximum Humidity 94% 20:28 94% 98%, 2010 83%, 2016
Mean Humidity 90% 87% 98%, 2011 78%, 2015
Minimum Pressure 1029 hPa 23:56 1014 hPa 1029 hPa, 2020 969 hPa, 2016
Maximum Pressure 1037 hPa 00:19 1024 hPa 1037 hPa, 2020 995 hPa, 2016
Mean Pressure 1034 hPa 1019 hPa 1034 hPa, 2020 986 hPa, 2016
Mean Wind Speed 4.7 mph (+0.1) 3.8 mph (-0.8) 8.0 mph, 2016 0.8 mph, 2011
Maximum Wind Speed 15.7 mph 23:22 11.4 mph 21.9 mph, 2016 4.5 mph, 2011
Maximum Gust 21.7 mph 23:53 19.3 mph 37.1 mph, 2016 6.0 mph, 2011
Mean Wind Direction SW
Rainfall 0.9 mm 27.8 mm (74%) 19.2 mm, 2016
Maximum Hourly Rain 0.5 mm 17:07 3.5 mm, 2016
Maximum 10-min Rain 0.3 mm 16:16 1.2 mm, 2013
Maximum Rain Rate 0.3 mm/h 16:16 36 mm/h, 2013
Minimum Dew Point 1.0 °C 06:20 5.2 °C 9.1 °C, 2012 -3.6 °C, 2013
Maximum Dew Point 9.3 °C 23:15 10.8 °C 12.7 °C, 2009 2.6 °C, 2018
Mean Dew Point 5.1 °C 8.1 °C 10.8 °C, 2012 0.8 °C, 2013
Measure Value Time Month cumul. Record High Record Low
Night Minimum (21-09) 2.2 °C 06:22 8.3 °C 12.7 °C, 2009 -0.8 °C, 2013
Day Maximum (09-21) * 9.9 °C * 20:46 12.9 °C 13.8 °C, 2009 4.8 °C, 2018
Max 10m Temp Rise 0.4 °C 10:07 0.4 °C 0.5 °C, 2019 0.2 °C, 2010
Max 1hr Temp Rise 1.9 °C 10:43 1.4 °C 1.9 °C, 2020 0.3 °C, 2015
Max 1hr Hum Rise 4% 12:28 6% 8%, 2012 1%, 2011
Max 10m Temp Fall 0.2 °C 01:07 0.5 °C 1.8 °C, 2013 0.2 °C, 2014
Max 1hr Temp Fall 0.5 °C 01:56 1.4 °C 3.3 °C, 2013 0.5 °C, 2020
Max 1hr Hum Fall 7% 09:53 7% 10%, 2013 2%, 2010
Max 10m Wind Speed 11.7 mph 23:59 8.0 mph 17.4 mph, 2016 3.4 mph, 2011
Minimum Feels-like 0.6 °C 03:50 6.0 °C 11.8 °C, 2012 -5.9 °C, 2013
Maximum Feels-like 11.4 °C 23:06 14.8 °C 16.3 °C, 2009 3.2 °C, 2018
Mean Feels-like 5.2 °C 10.9 °C 13.8 °C, 2012 -0.2 °C, 2013
Air-frost Hrs 0 hrs 0 hrs 6 hrs, 2013 0 hrs, 2009
Measure Value (anomaly) Month cumul. Record High Record Low
Temperature Range 8.2 °C (+2.9) 6.0 °C (+1.0) 8.2 °C (+2.9), 2020 2.7 °C (-2.6), 2012
Humidity Range 13% 18% 28%, 2019 2%, 2011
Pressure Range 8 hPa 10 hPa 26 hPa, 2016 1 hPa, 2010
Measure Value [% of max] Month cumul. Record High Record Low
Sun Hours 0 [0%]38 hrs (82%) [24%] 3 [39%], 2011 0 [0%], 2010
Wet Hours 3
[Mean rain rate: 0.3 mm/h]
45 hrs (107%) [9.4%] 14, 2018 0, 2010
Cloud Cover unknown
Events None
Comments blr
Extra Comments
Issues None known
Observer Absent? No
Pond Temperature (Heath) 10.5 °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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