Daily Report for 11th August 2019

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Measure Value (anomaly) Time Month cumul. Record High Record Low
Minimum Temperature 14.8 °C (+1.3) 05:46 15.5 °C (+1.9) 16.0 °C (+2.5), 2013 8.0 °C (-5.5), 2018
Maximum Temperature 21.9 °C (-0.6) 14:24 24.0 °C (+1.4) 24.4 °C (+1.9), 2009 20.7 °C (-1.8), 2014
Mean Temperature 18.4 °C (+0.4) 19.6 °C (+1.6) 19.5 °C, 2009 15.8 °C, 2018
Minimum Humidity 56% 12:22 54% 67%, 2011 36%, 2013
Maximum Humidity 82% 05:07 89% 97%, 2010 74%, 2013
Mean Humidity 70% 73% 78%, 2011 55%, 2013
Minimum Pressure 1011 hPa 14:30 1009 hPa 1020 hPa, 2016 1004 hPa, 2014
Maximum Pressure 1014 hPa 22:55 1014 hPa 1026 hPa, 2012 1009 hPa, 2014
Mean Pressure 1012 hPa 1012 hPa 1022 hPa, 2018 1007 hPa, 2014
Mean Wind Speed 8.1 mph (+4.1) 6.0 mph (+2.0) 8.1 mph, 2019 0.8 mph, 2015
Maximum Wind Speed 16.6 mph 09:30 14.3 mph 19.4 mph, 2016 5.9 mph, 2015
Maximum Gust 30.0 mph 13:28 24.0 mph 30.0 mph, 2019 7.8 mph, 2015
Mean Wind Direction SW
Rainfall 0.0 mm 9.2 mm (49%) 7.3 mm, 2014
Maximum Hourly Rain n/a 5.6, 2014
Maximum 10-min Rain n/a 3, 2014
Maximum Rain Rate n/a 90, 2014
Minimum Dew Point 11.8 °C 05:46 12.8 °C 13.0 °C, 2009 5.7 °C, 2013
Maximum Dew Point 13.7 °C 13:16 16.4 °C 17.6 °C, 2011 13.0 °C, 2017
Mean Dew Point 12.6 °C 14.4 °C 14.3 °C, 2009 9.1 °C, 2013
Measure Value Time Month cumul. Record High Record Low
Night Minimum (21-09) 14.8 °C 05:54 15.6 °C 15.5 °C, 2009 8.0 °C, 2018
Day Maximum (09-21) 21.9 °C 14:08 24.0 °C 24.4 °C, 2009 20.7 °C, 2014
Max 10m Temp Rise 0.5 °C 09:14 0.7 °C 0.8 °C, 2014 0.4 °C, 2011
Max 1hr Temp Rise 1.9 °C 09:21 2.3 °C 3.7 °C, 2018 1.5 °C, 2011
Max 1hr Hum Rise 8% 21:23 13% 22%, 2014 6%, 2011
Max 10m Temp Fall 0.4 °C 14:52 0.8 °C 2.3 °C, 2014 0.3 °C, 2012
Max 1hr Temp Fall 1.2 °C 18:38 2.1 °C 4.9 °C, 2014 1.0 °C, 2016
Max 1hr Hum Fall 10% 09:42 12% 19%, 2012 7%, 2015
Max 10m Wind Speed 14.7 mph 14:59 11.0 mph 14.8 mph, 2016 3.7 mph, 2015
Minimum Feels-like 17.0 °C 05:39 18.4 °C 18.6 °C, 2009 6.5 °C, 2018
Maximum Feels-like 25.0 °C 13:41 28.0 °C 28.2 °C, 2009 21.6 °C, 2014
Mean Feels-like 20.9 °C 23.2 °C 23.0 °C, 2009 17.3 °C, 2014
Air-frost Hrs 0 hrs 0 hrs 0 hrs, 2009 0 hrs, 2009
Measure Value (anomaly) Month cumul. Record High Record Low
Temperature Range 7.1 °C (-1.9) 8.5 °C (-0.5) 13.8 °C (+4.8), 2018 6.6 °C (-2.4), 2011
Humidity Range 26% 35% 54%, 2010 22%, 2011
Pressure Range 3 hPa 5 hPa 11 hPa, 2012 3 hPa, 2010
Measure Value [% of max] Month cumul. Record High Record Low
Sun Hours 6 [44%]52 hrs (77%) [34%] 9 [66%], 2012 0.1 [1%], 2015
Wet Hours 08 hrs (59%) [3%] 3, 2014 0, 2009
Cloud Cover am: Mostly Sunny transitioned to Partly Cloudy
pm: Mostly Cloudy or Hazy
Events None
Comments -
Extra Comments
Issues None known
Observer Absent? Yes - observations may be unreliable
Pond Temperature (Heath) 20.0 °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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