Daily Report for 12th September 2019

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Measure Value (anomaly) Time Month cumul. Record High Record Low
Minimum Temperature 13.4 °C (+1.9) 06:49 11.3 °C (-0.5) 14.6 °C (+3.1), 2011 8.5 °C (-3.0), 2012
Maximum Temperature 24.0 °C (+4.6) 15:03 19.5 °C (-0.7) 24.4 °C (+5.0), 2016 16.3 °C (-3.1), 2018
Mean Temperature 18.4 °C (+3.2) 15.4 °C (-0.6) 18.4 °C, 2019 13.1 °C, 2018
Minimum Humidity 61% 15:02 54% 72%, 2013 48%, 2011
Maximum Humidity 91% 06:53 86% 97%, 2013 83%, 2012
Mean Humidity 79% 72% 87%, 2018 65%, 2015
Minimum Pressure 1024 hPa 00:11 1018 hPa 1028 hPa, 2009 995 hPa, 2017
Maximum Pressure 1030 hPa 23:56 1025 hPa 1034 hPa, 2009 1007 hPa, 2017
Mean Pressure 1027 hPa 1022 hPa 1031 hPa, 2009 1004 hPa, 2017
Mean Wind Speed 6.3 mph (+2.4) 4.8 mph (+0.9) 10.8 mph, 2011 1.6 mph, 2018
Maximum Wind Speed 16.1 mph 17:23 13.4 mph 22.1 mph, 2011 6.7 mph, 2013
Maximum Gust 26.5 mph 16:26 22.5 mph 37.4 mph, 2011 8.7 mph, 2013
Mean Wind Direction SW
Rainfall 0.0 mm 5.6 mm (25%) 2.8 mm, 2018
Maximum Hourly Rain n/a 2.3, 2012
Maximum 10-min Rain n/a 2.3, 2012
Maximum Rain Rate n/a 60, 2012
Minimum Dew Point 11.8 °C 06:34 7.1 °C 11.8 °C, 2019 2.6 °C, 2012
Maximum Dew Point 16.7 °C 17:51 12.8 °C 17.2 °C, 2011 11.3 °C, 2012
Mean Dew Point 14.7 °C 10.2 °C 14.7 °C, 2019 6.7 °C, 2012
Measure Value Time Month cumul. Record High Record Low
Night Minimum (21-09) 13.4 °C 06:49 11.4 °C 15.5 °C, 2015 8.5 °C, 2012
Day Maximum (09-21) 24.0 °C 15:04 19.5 °C 24.4 °C, 2016 14.6 °C, 2018
Max 10m Temp Rise 0.7 °C 09:57 0.6 °C 0.8 °C, 2012 0.3 °C, 2018
Max 1hr Temp Rise 2.8 °C 09:57 2.3 °C 3.4 °C, 2012 1.1 °C, 2018
Max 1hr Hum Rise 7% 17:23 8% 14%, 2017 5%, 2011
Max 10m Temp Fall 0.4 °C 16:31 0.4 °C 1.0 °C, 2012 0.4 °C, 2010
Max 1hr Temp Fall 1.5 °C 17:17 1.5 °C 2.6 °C, 2012 1.0 °C, 2013
Max 1hr Hum Fall 9% 12:46 12% 16%, 2014 6%, 2013
Max 10m Wind Speed 12.0 mph 17:42 9.8 mph 14.8 mph, 2011 5.3 mph, 2013
Minimum Feels-like 15.6 °C 06:32 11.6 °C 15.6 °C, 2019 6.1 °C, 2012
Maximum Feels-like 28.6 °C 16:03 21.6 °C 28.9 °C, 2016 18.3 °C, 2012
Mean Feels-like 22.2 °C 16.9 °C 22.2 °C, 2019 13.3 °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 (+2.6) 8.2 °C (-0.2) 14.4 °C (+6.4), 2016 5.7 °C (-2.3), 2013
Humidity Range 30% 32% 44%, 2011 23%, 2018
Pressure Range 6 hPa 7 hPa 12 hPa, 2017 2 hPa, 2016
Measure Value [% of max] Month cumul. Record High Record Low
Sun Hours 4.5 [39%]57 hrs (99%) [40%] 10 [86%], 2009 0.1 [1%], 2018
Wet Hours 08 hrs (49%) [2.8%] 6, 2018 0, 2009
Cloud Cover am: Mostly Cloudy
pm: Mostly Sunny transitioned to Partly Cloudy
Events None
Comments -
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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