Daily Report for 30th September 2020

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Measure Value (anomaly) Time Month cumul. Record High Record Low
Minimum Temperature 10.7 °C (+0.6) 07:23 11.3 °C (+0.2) 14.8 °C (+4.7), 2014 5.8 °C (-4.3), 2012
Maximum Temperature 17.0 °C (+0.4) 13:16 20.3 °C (+1.8) 27.4 °C (+10.8), 2011 15.4 °C (-1.2), 2018
Mean Temperature 14.1 °C (+0.5) 15.7 °C (+1.0) 19.4 °C, 2011 11.6 °C, 2018
Minimum Humidity 77% 13:23 57% 77%, 2020 37%, 2015
Maximum Humidity 93% 23:26 90% 98%, 2010 81%, 2016
Mean Humidity 87% 76% 88%, 2019 68%, 2015
Minimum Pressure 1001 hPa 23:47 1015 hPa 1031 hPa, 2015 1001 hPa, 2020
Maximum Pressure 1015 hPa 00:00 1020 hPa 1034 hPa, 2015 1009 hPa, 2013
Mean Pressure 1008 hPa 1018 hPa 1032 hPa, 2015 1007 hPa, 2013
Mean Wind Speed 4.1 mph (+0.2) 3.0 mph (-0.9) 6.0 mph, 2012 2.2 mph, 2011
Maximum Wind Speed 14.5 mph 16:04 11.7 mph 17.7 mph, 2016 7.6 mph, 2009
Maximum Gust 25.3 mph 15:47 19.8 mph 27.4 mph, 2016 10.5 mph, 2009
Mean Wind Direction SSW
Rainfall 3.5 mm 19.9 mm (35%) 7.0 mm, 2019
Maximum Hourly Rain 0.9 mm 19:28 2.4 mm, 2019
Maximum 10-min Rain 0.3 mm 20:24 0.9 mm, 2019
Maximum Rain Rate 18 mm/h 20:24 24 mm/h, 2016
Minimum Dew Point 9.3 °C 07:12 8.6 °C 12.0 °C, 2014 2.5 °C, 2015
Maximum Dew Point 13.8 °C 15:34 13.6 °C 17.2 °C, 2011 8.8 °C, 2018
Mean Dew Point 11.9 °C 11.2 °C 13.7 °C, 2014 6.7 °C, 2018
Measure Value Time Month cumul. Record High Record Low
Night Minimum (21-09) 10.7 °C 07:23 11.7 °C 14.7 °C, 2014 5.8 °C, 2012
Day Maximum (09-21) 17.0 °C 13:17 20.3 °C 27.4 °C, 2011 15.4 °C, 2018
Max 10m Temp Rise 0.7 °C 09:06 0.7 °C 0.8 °C, 2010 0.4 °C, 2014
Max 1hr Temp Rise 2.8 °C 09:40 2.4 °C 3.1 °C, 2011 1.4 °C, 2013
Max 1hr Hum Rise 5% 16:02 10% 11%, 2011 5%, 2010
Max 10m Temp Fall 0.5 °C 15:42 0.5 °C 0.5 °C, 2016 0.3 °C, 2010
Max 1hr Temp Fall 1.3 °C 16:31 2.0 °C 1.6 °C, 2013 0.9 °C, 2010
Max 1hr Hum Fall 8% 09:38 11% 17%, 2015 6%, 2019
Max 10m Wind Speed 10.0 mph 13:37 7.9 mph 14.3 mph, 2016 6.0 mph, 2009
Minimum Feels-like 11.7 °C 07:06 11.8 °C 17.9 °C, 2014 3.8 °C, 2012
Maximum Feels-like 19.9 °C 15:34 23.0 °C 30.2 °C, 2011 16.1 °C, 2018
Mean Feels-like 16.3 °C 17.7 °C 22.1 °C, 2011 11.7 °C, 2018
Air-frost Hrs 0 hrs 0 hrs 0 hrs, 2009 0 hrs, 2009
Measure Value (anomaly) Month cumul. Record High Record Low
Temperature Range 6.3 °C (-0.3) 9.1 °C (+1.6) 13.9 °C (+7.3), 2011 4.5 °C (-2.1), 2009
Humidity Range 16% 33% 55%, 2011 14%, 2009
Pressure Range 14 hPa 5 hPa 14 hPa, 2020 2 hPa, 2011
Measure Value [% of max] Month cumul. Record High Record Low
Sun Hours 0 [0%]179 hrs (130%) [53%] 10.6 [101%], 2011 0 [0%], 2020
Wet Hours 6
[Mean rain rate: 0.6 mm/h]
27 hrs (65%) [3.7%] 7, 2019 0, 2009
Cloud Cover unknown
Events None
Comments blr
Extra Comments
Issues None known
Observer Absent? No
Pond Temperature (Heath) 13.0 °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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