Daily Report for 25th September 2020

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Measure Value (anomaly) Time Month cumul. Record High Record Low
Minimum Temperature 7.1 °C (-3.3) 04:49 11.5 °C (+0.3) 14.7 °C (+4.3), 2017 3.7 °C (-6.7), 2018
Maximum Temperature 13.6 °C (-3.7) 16:26 21.4 °C (+2.4) 20.9 °C (+3.6), 2011 13.4 °C (-3.8), 2010
Mean Temperature 10.2 °C (-3.5) 16.3 °C (+1.4) 17.3 °C, 2016 9.5 °C, 2010
Minimum Humidity 53% 17:26 55% 72%, 2017 43%, 2018
Maximum Humidity 93% 00:32 90% 97%, 2013 83%, 2010
Mean Humidity 76% 75% 87%, 2017 64%, 2016
Minimum Pressure 995 hPa 00:19 1017 hPa 1034 hPa, 2018 988 hPa, 2012
Maximum Pressure 1010 hPa 23:59 1022 hPa 1039 hPa, 2018 989 hPa, 2012
Mean Pressure 1002 hPa 1019 hPa 1037 hPa, 2018 988 hPa, 2012
Mean Wind Speed 6.2 mph (+2.3) 3.0 mph (-0.9) 8.5 mph, 2016 1.5 mph, 2013
Maximum Wind Speed 23.0 mph 15:42 11.7 mph 23.0 mph, 2020 6.7 mph, 2013
Maximum Gust 34.6 mph 12:16 19.6 mph 34.6 mph, 2020 8.1 mph, 2013
Mean Wind Direction NW
Rainfall 1.5 mm 12.0 mm (25%) 2.2 mm, 2019
Maximum Hourly Rain 1.3 mm 08:02 1.8 mm, 2019
Maximum 10-min Rain 0.5 mm 07:49 0.9 mm, 2019
Maximum Rain Rate 2.6 mm/h 07:49 7 mm/h, 2019
Minimum Dew Point 3.9 °C 17:26 9.0 °C 13.1 °C, 2013 2.3 °C, 2010
Maximum Dew Point 7.3 °C 11:22 13.9 °C 16.2 °C, 2013 6.0 °C, 2010
Mean Dew Point 6.0 °C 11.7 °C 14.3 °C, 2013 3.8 °C, 2010
Measure Value Time Month cumul. Record High Record Low
Night Minimum (21-09) 7.1 °C 04:29 11.9 °C 15.7 °C, 2016 4.4 °C, 2018
Day Maximum (09-21) 13.6 °C 16:26 21.4 °C 20.9 °C, 2011 13.4 °C, 2010
Max 10m Temp Rise 0.6 °C 10:10 0.6 °C 0.9 °C, 2014 0.2 °C, 2017
Max 1hr Temp Rise 2.1 °C 11:00 2.5 °C 3.3 °C, 2018 0.7 °C, 2017
Max 1hr Hum Rise 7% 19:34 11% 13%, 2019 6%, 2010
Max 10m Temp Fall 0.2 °C 17:57 0.6 °C 0.7 °C, 2018 0.2 °C, 2014
Max 1hr Temp Fall 0.9 °C 18:55 2.2 °C 2.7 °C, 2015 0.9 °C, 2014
Max 1hr Hum Fall 12% 16:31 12% 17%, 2015 7%, 2019
Max 10m Wind Speed 13.8 mph 15:42 8.0 mph 16.6 mph, 2016 4.8 mph, 2009
Minimum Feels-like 3.1 °C 05:17 12.3 °C 17.6 °C, 2017 0.9 °C, 2009
Maximum Feels-like 13.6 °C 16:26 24.3 °C 24.9 °C, 2013 13.4 °C, 2010
Mean Feels-like 9.4 °C 18.5 °C 20.4 °C, 2013 8.6 °C, 2010
Air-frost Hrs 0 hrs 0 hrs 0 hrs, 2009 0 hrs, 2009
Measure Value (anomaly) Month cumul. Record High Record Low
Temperature Range 6.5 °C (-0.3) 9.8 °C (+2.1) 14.4 °C (+7.6), 2018 3.4 °C (-3.4), 2017
Humidity Range 40% 36% 49%, 2018 22%, 2017
Pressure Range 15 hPa 5 hPa 15 hPa, 2020 1 hPa, 2011
Measure Value [% of max] Month cumul. Record High Record Low
Sun Hours 5 [46%]163 hrs (141%) [57%] 10.8 [100%], 2018 0 [0%], 2017
Wet Hours 2
[Mean rain rate: 0.8 mm/h]
14 hrs (40%) [2.3%] 2, 2019 0, 2009
Cloud Cover unknown
Events None
Comments blr
Extra Comments
Issues None known
Observer Absent? No
Pond Temperature (Heath) 14.0 °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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