Daily Report for 22nd September 2020

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Measure Value (anomaly) Time Month cumul. Record High Record Low
Minimum Temperature 12.1 °C (+1.4) 07:10 12.0 °C (+0.6) 15.2 °C (+4.5), 2019 6.0 °C (-4.7), 2012
Maximum Temperature 24.4 °C (+6.8) 15:17 22.1 °C (+2.9) 24.4 °C (+6.8), 2020 13.8 °C (-3.8), 2018
Mean Temperature 17.8 °C (+4.1) 16.9 °C (+1.8) 17.8 °C, 2020 11.1 °C, 2012
Minimum Humidity 45% 15:00 54% 81%, 2013 45%, 2012
Maximum Humidity 94% 07:56 90% 97%, 2017 84%, 2016
Mean Humidity 75% 75% 91%, 2013 67%, 2012
Minimum Pressure 1006 hPa 23:44 1019 hPa 1026 hPa, 2013 998 hPa, 2015
Maximum Pressure 1016 hPa 00:27 1024 hPa 1029 hPa, 2013 1007 hPa, 2015
Mean Pressure 1011 hPa 1021 hPa 1028 hPa, 2013 1002 hPa, 2015
Mean Wind Speed 3.1 mph (-0.8) 2.8 mph (-1.1) 6.0 mph, 2009 1.7 mph, 2014
Maximum Wind Speed 13.1 mph 18:28 10.9 mph 14.7 mph, 2016 7.1 mph, 2014
Maximum Gust 26.5 mph 17:43 18.4 mph 26.5 mph, 2020 8.1 mph, 2014
Mean Wind Direction SW
Rainfall 0.0 mm 2.4 mm (6%) 8.8 mm, 2018
Maximum Hourly Rain n/a 2.4, 2015
Maximum 10-min Rain n/a 1.5, 2015
Maximum Rain Rate n/a 42, 2015
Minimum Dew Point 10.2 °C 01:06 9.4 °C 12.8 °C, 2013 1.7 °C, 2012
Maximum Dew Point 15.8 °C 16:13 14.4 °C 17.7 °C, 2019 8.2 °C, 2012
Mean Dew Point 12.9 °C 12.0 °C 15.2 °C, 2013 4.7 °C, 2012
Measure Value Time Month cumul. Record High Record Low
Night Minimum (21-09) 12.1 °C 07:11 12.2 °C 16.2 °C, 2013 6.0 °C, 2012
Day Maximum (09-21) 24.4 °C 15:17 22.1 °C 24.4 °C, 2020 13.8 °C, 2018
Max 10m Temp Rise 0.7 °C 08:37 0.6 °C 0.8 °C, 2012 0.2 °C, 2018
Max 1hr Temp Rise 3.4 °C 09:27 2.6 °C 3.6 °C, 2010 0.7 °C, 2018
Max 1hr Hum Rise 14% 16:56 11% 14%, 2016 5%, 2015
Max 10m Temp Fall 0.7 °C 16:28 0.6 °C 1.3 °C, 2019 0.2 °C, 2018
Max 1hr Temp Fall 2.7 °C 17:07 2.1 °C 4.2 °C, 2019 0.7 °C, 2018
Max 1hr Hum Fall 20% 10:43 12% 20%, 2020 1%, 2018
Max 10m Wind Speed 10.1 mph 18:05 7.4 mph 11.4 mph, 2016 4.5 mph, 2014
Minimum Feels-like 13.7 °C 05:59 13.1 °C 17.8 °C, 2019 2.9 °C, 2012
Maximum Feels-like 28.3 °C 16:12 25.2 °C 28.3 °C, 2020 13.6 °C, 2018
Mean Feels-like 20.6 °C 19.3 °C 21.0 °C, 2019 10.5 °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 12.3 °C (+5.3) 10.1 °C (+2.3) 12.3 °C (+5.3), 2020 3.6 °C (-3.4), 2018
Humidity Range 49% 36% 49%, 2010 14%, 2015
Pressure Range 10 hPa 4 hPa 10 hPa, 2020 3 hPa, 2009
Measure Value [% of max] Month cumul. Record High Record Low
Sun Hours 9 [82%]155 hrs (151%) [61%] 10 [91%], 2012 0 [0%], 2018
Wet Hours 05.5 hrs (18%) [1%] 10, 2018 0, 2009
Cloud Cover Sunny
Events None
Comments -
Extra Comments
Issues 1330-15 data loss, PC shutdown, possible freeze,
Observer Absent? Yes - observations may be unreliable
Pond Temperature (Heath) 15.0 °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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