Daily Report for 16th August 2020

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Measure Value (anomaly) Time Month cumul. Record High Record Low
Minimum Temperature 16.3 °C (+3.0) 23:52 16.8 °C (+3.3) 16.9 °C (+3.6), 2013 10.5 °C (-2.8), 2015
Maximum Temperature 24.4 °C (+2.1) 13:42 27.6 °C (+5.1) 24.4 °C (+2.1), 2020 19.0 °C (-3.3), 2018
Mean Temperature 20.2 °C (+2.6) 22.0 °C (+4.2) 20.2 °C, 2020 15.2 °C, 2015
Minimum Humidity 63% 13:49 49% 70%, 2013 41%, 2014
Maximum Humidity 96% 07:04 88% 96%, 2020 77%, 2017
Mean Humidity 86% 70% 86%, 2020 59%, 2017
Minimum Pressure 1010 hPa 18:25 1014 hPa 1017 hPa, 2016 1004 hPa, 2019
Maximum Pressure 1014 hPa 00:00 1018 hPa 1022 hPa, 2014 1014 hPa, 2020
Mean Pressure 1012 hPa 1016 hPa 1020 hPa, 2014 1012 hPa, 2020
Mean Wind Speed 1.7 mph (-2.3) 3.5 mph (-0.5) 6.4 mph, 2019 1.0 mph, 2015
Maximum Wind Speed 10.7 mph 16:21 11.4 mph 18.5 mph, 2019 8.5 mph, 2015
Maximum Gust 16.1 mph 16:22 17.6 mph 28.8 mph, 2019 11.2 mph, 2015
Mean Wind Direction SE
Rainfall 12.0 mm 20.5 mm (75%) 15.2 mm, 2018
Maximum Hourly Rain 10.0 mm 21:15 10.0 mm, 2020
Maximum 10-min Rain 3.0 mm 20:45 3.0 mm, 2020
Maximum Rain Rate 100 mm/h 20:43 100 mm/h, 2020
Minimum Dew Point 15.0 °C 23:47 13.5 °C 15.0 °C, 2020 5.6 °C, 2014
Maximum Dew Point 19.0 °C 19:31 18.1 °C 19.0 °C, 2020 10.9 °C, 2014
Mean Dew Point 17.6 °C 15.8 °C 17.6 °C, 2020 8.5 °C, 2014
Measure Value Time Month cumul. Record High Record Low
Night Minimum (21-09) * 18.6 °C * 08:37 17.1 °C 18.6 °C, 2020 10.5 °C, 2015
Day Maximum (09-21) 24.4 °C 13:42 27.6 °C 24.4 °C, 2020 19.0 °C, 2018
Max 10m Temp Rise 0.5 °C 12:04 0.7 °C 0.7 °C, 2012 0.3 °C, 2018
Max 1hr Temp Rise 2.2 °C 12:45 2.8 °C 2.7 °C, 2017 1.2 °C, 2011
Max 1hr Hum Rise 9% 19:29 9% 14%, 2018 5%, 2010
Max 10m Temp Fall 0.9 °C 20:42 0.6 °C 0.9 °C, 2009 0.3 °C, 2013
Max 1hr Temp Fall 2.6 °C 21:27 2.1 °C 2.6 °C, 2020 1.3 °C, 2013
Max 1hr Hum Fall 13% 13:20 11% 20%, 2018 6%, 2013
Max 10m Wind Speed 7.6 mph 16:30 8.0 mph 13.4 mph, 2019 5.2 mph, 2015
Minimum Feels-like 20.3 °C 23:47 20.4 °C 20.3 °C, 2013 10.5 °C, 2015
Maximum Feels-like 30.3 °C 13:13 32.8 °C 30.3 °C, 2020 20.7 °C, 2014
Mean Feels-like 25.9 °C 26.6 °C 25.9 °C, 2020 16.0 °C, 2015
Air-frost Hrs 0 hrs 0 hrs 0 hrs, 2009 0 hrs, 2009
Measure Value (anomaly) Month cumul. Record High Record Low
Temperature Range 8.1 °C (-0.9) 10.8 °C (+1.8) 11.6 °C (+2.6), 2017 4.4 °C (-4.6), 2018
Humidity Range 33% 38% 50%, 2009 15%, 2011
Pressure Range 5 hPa 3 hPa 14 hPa, 2019 2 hPa, 2009
Measure Value [% of max] Month cumul. Record High Record Low
Sun Hours 0.6 [5%]109 hrs (112%) [50%] 11 [83%], 2016 0 [0%], 2019
Wet Hours 1.5
[Mean rain rate: 8 mm/h]
13 hrs (65%) [3.3%] 10, 2019 0, 2009
Cloud Cover Mostly Cloudy or Overcast
Events Light Thunderstorm
Comments 2030 Torrential Shower with Thunderstorm
Extra Comments
Issues Rain gauge blocked, no data. Used delayed tips and st james for backfill
Observer Absent? Yes - observations may be unreliable
Pond Temperature (Heath) 22.0 °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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