Daily Report for 27th September 2019

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Measure Value (anomaly) Time Month cumul. Record High Record Low
Minimum Temperature 12.7 °C (+2.3) 23:58 11.5 °C (+0.3) 13.3 °C (+2.9), 2017 8.7 °C (-1.7), 2015
Maximum Temperature 17.4 °C (+0.3) 16:17 20.0 °C (+1.0) 23.6 °C (+6.5), 2018 15.7 °C (-1.4), 2010
Mean Temperature 14.8 °C (+1.3) 15.6 °C (+0.7) 17.0 °C, 2018 12.6 °C, 2012
Minimum Humidity 75% 10:38 57% 80%, 2010 29%, 2018
Maximum Humidity 90% 23:04 89% 98%, 2010 84%, 2016
Mean Humidity 85% 75% 91%, 2010 62%, 2018
Minimum Pressure 1002 hPa 16:29 1017 hPa 1031 hPa, 2015 999 hPa, 2012
Maximum Pressure 1008 hPa 23:56 1023 hPa 1036 hPa, 2015 1008 hPa, 2019
Mean Pressure 1005 hPa 1020 hPa 1033 hPa, 2015 1005 hPa, 2019
Mean Wind Speed 7.1 mph (+3.2) 4.4 mph (+0.5) 7.1 mph, 2019 0.8 mph, 2014
Maximum Wind Speed 19.4 mph 16:26 12.5 mph 20.8 mph, 2016 4.9 mph, 2014
Maximum Gust 30.0 mph 16:07 20.2 mph 33.9 mph, 2016 7.8 mph, 2014
Mean Wind Direction SW
Rainfall 6.0 mm 51.2 mm (100%) 12.6 mm, 2017
Maximum Hourly Rain 3.8 mm 17:18 4.4 mm, 2017
Maximum 10-min Rain 3.2 mm 17:18 3.2 mm, 2019
Maximum Rain Rate 84 mm/h 17:13 84 mm/h, 2019
Minimum Dew Point 11.0 °C 23:38 8.1 °C 12.5 °C, 2017 4.3 °C, 2018
Maximum Dew Point 14.0 °C 12:34 13.5 °C 15.8 °C, 2011 10.9 °C, 2012
Mean Dew Point 12.3 °C 10.9 °C 13.6 °C, 2011 7.9 °C, 2015
Measure Value Time Month cumul. Record High Record Low
Night Minimum (21-09) * 13.1 °C * 06:45 11.8 °C 13.3 °C, 2017 8.7 °C, 2015
Day Maximum (09-21) 17.4 °C 16:17 20.0 °C 23.6 °C, 2018 15.7 °C, 2010
Max 10m Temp Rise 0.5 °C 09:26 0.6 °C 0.8 °C, 2018 0.3 °C, 2011
Max 1hr Temp Rise 1.5 °C 09:40 2.5 °C 3.3 °C, 2018 1.3 °C, 2011
Max 1hr Hum Rise 11% 17:30 10% 17%, 2012 3%, 2010
Max 10m Temp Fall 0.6 °C 17:25 0.5 °C 0.8 °C, 2018 0.1 °C, 2010
Max 1hr Temp Fall 1.7 °C 17:28 1.8 °C 3.1 °C, 2018 0.4 °C, 2010
Max 1hr Hum Fall 10% 13:34 12% 19%, 2018 5%, 2016
Max 10m Wind Speed 14.1 mph 16:27 9.1 mph 14.5 mph, 2016 3.7 mph, 2014
Minimum Feels-like 14.5 °C 23:58 12.3 °C 15.8 °C, 2017 7.2 °C, 2015
Maximum Feels-like 20.4 °C 16:17 22.4 °C 24.5 °C, 2011 16.7 °C, 2012
Mean Feels-like 17.3 °C 17.5 °C 19.4 °C, 2017 13.3 °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 4.7 °C (-2.1) 8.4 °C (+0.7) 13.3 °C (+6.5), 2018 4.7 °C (-2.1), 2019
Humidity Range 15% 32% 61%, 2018 13%, 2016
Pressure Range 5 hPa 6 hPa 14 hPa, 2012 2 hPa, 2009
Measure Value [% of max] Month cumul. Record High Record Low
Sun Hours 3.7 [34%]160 hrs (128%) [52%] 10.8 [101%], 2018 0.1 [1%], 2010
Wet Hours 4
[Mean rain rate: 1.5 mm/h]
40 hrs (108%) [6.2%] 4, 2017 0, 2009
Cloud Cover am: Partly Cloudy
pm: Mostly Cloudy
Events None
Comments day shs
Extra Comments
Issues None known
Observer Absent? Yes - observations may be unreliable
Pond Temperature (Heath) 16.0 °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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