Daily Report for 20th September 2019

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Measure Value (anomaly) Time Month cumul. Record High Record Low
Minimum Temperature 9.1 °C (-1.8) 07:03 10.8 °C (-0.7) 16.7 °C (+5.8), 2018 8.4 °C (-2.5), 2015
Maximum Temperature 19.7 °C (+1.7) 14:24 19.9 °C (+0.4) 20.6 °C (+2.6), 2018 17.3 °C (-0.7), 2012
Mean Temperature 14.4 °C (-0.0) 15.4 °C (-0.1) 18.6 °C, 2018 13.2 °C, 2012
Minimum Humidity 40% 16:15 52% 92%, 2014 40%, 2019
Maximum Humidity 96% 08:04 88% 96%, 2014 78%, 2012
Mean Humidity 72% 72% 94%, 2014 62%, 2012
Minimum Pressure 1020 hPa 23:59 1021 hPa 1021 hPa, 2015 1000 hPa, 2018
Maximum Pressure 1031 hPa 00:01 1028 hPa 1031 hPa, 2019 1014 hPa, 2018
Mean Pressure 1026 hPa 1024 hPa 1026 hPa, 2019 1010 hPa, 2018
Mean Wind Speed 4.7 mph (+0.8) 3.9 mph (+0.0) 9.6 mph, 2018 1.8 mph, 2016
Maximum Wind Speed 15.1 mph 18:30 11.8 mph 23.0 mph, 2018 7.4 mph, 2013
Maximum Gust 24.2 mph 18:04 19.3 mph 34.6 mph, 2018 9.2 mph, 2013
Mean Wind Direction E
Rainfall 0.0 mm 6.0 mm (16%) 29.3 mm, 2014
Maximum Hourly Rain n/a 18.7, 2014
Maximum 10-min Rain n/a 7.9, 2014
Maximum Rain Rate n/a 126, 2014
Minimum Dew Point 5.2 °C 16:18 7.0 °C 14.3 °C, 2018 3.0 °C, 2012
Maximum Dew Point 11.0 °C 22:57 12.8 °C 17.1 °C, 2014 8.3 °C, 2012
Mean Dew Point 9.1 °C 10.1 °C 15.6 °C, 2014 5.9 °C, 2012
Measure Value Time Month cumul. Record High Record Low
Night Minimum (21-09) 9.1 °C 07:08 10.9 °C 16.7 °C, 2018 8.2 °C, 2017
Day Maximum (09-21) 19.7 °C 14:25 19.9 °C 20.6 °C, 2018 17.3 °C, 2012
Max 10m Temp Rise 0.7 °C 08:10 0.7 °C 0.7 °C, 2013 0.3 °C, 2011
Max 1hr Temp Rise 3.4 °C 08:57 2.6 °C 3.4 °C, 2019 0.8 °C, 2014
Max 1hr Hum Rise 10% 17:38 10% 10%, 2019 1%, 2014
Max 10m Temp Fall 0.4 °C 18:08 0.5 °C 0.6 °C, 2013 0.2 °C, 2014
Max 1hr Temp Fall 1.4 °C 18:08 1.7 °C 2.5 °C, 2013 0.8 °C, 2016
Max 1hr Hum Fall 18% 09:20 12% 18%, 2019 2%, 2014
Max 10m Wind Speed 11.8 mph 16:21 8.4 mph 16.8 mph, 2018 5.5 mph, 2009
Minimum Feels-like 9.2 °C 07:52 11.0 °C 20.4 °C, 2018 7.3 °C, 2012
Maximum Feels-like 20.9 °C 14:02 21.9 °C 24.7 °C, 2018 17.3 °C, 2012
Mean Feels-like 15.3 °C 16.8 °C 22.5 °C, 2018 13.0 °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 10.6 °C (+3.5) 9.2 °C (+1.2) 10.8 °C (+3.7), 2015 3.3 °C (-3.8), 2014
Humidity Range 56% 36% 56%, 2019 4%, 2014
Pressure Range 11 hPa 6 hPa 15 hPa, 2018 2 hPa, 2011
Measure Value [% of max] Month cumul. Record High Record Low
Sun Hours 11.2 [100%]136 hrs (143%) [58%] 11.2 [100%], 2019 0 [0%], 2016
Wet Hours 010 hrs (37%) [2.1%] 2, 2011 0, 2009
Cloud Cover Sunny
Events Maximum possible sunshine
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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