Daily Report for 20th August 2018

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Measure Value (anomaly) Time Month cumul. Record High Record Low
Minimum Temperature 18.4 °C (+5.3) 06:40 14.9 °C (+1.5) 18.4 °C (+5.3), 2018 8.6 °C (-4.5), 2014
Maximum Temperature 24.9 °C (+2.7) 15:57 24.9 °C (+2.5) 24.9 °C (+2.7), 2012 18.9 °C (-3.3), 2014
Mean Temperature 21.7 °C (+4.0) 20.0 °C (+2.0) 21.7 °C, 2018 13.8 °C, 2014
Minimum Humidity 62% 12:58 49% 72%, 2010 34%, 2013
Maximum Humidity 84% 06:36 89% 92%, 2015 80%, 2013
Mean Humidity 73% 70% 84%, 2015 56%, 2013
Minimum Pressure 1019 hPa 17:26 1015 hPa 1026 hPa, 2013 1004 hPa, 2016
Maximum Pressure 1022 hPa 09:30 1020 hPa 1028 hPa, 2013 1009 hPa, 2016
Mean Pressure 1020 hPa 1018 hPa 1027 hPa, 2013 1006 hPa, 2016
Mean Wind Speed 3.7 mph (-0.3) 4.2 mph (+0.2) 13.5 mph, 2016 2.3 mph, 2013
Maximum Wind Speed 9.8 mph 16:46 12.3 mph 26.4 mph, 2016 7.8 mph, 2013
Maximum Gust 19.6 mph 17:54 19.8 mph 45.2 mph, 2016 10.2 mph, 2013
Mean Wind Direction W
Rainfall 0.0 mm 36.4 mm (106%) 4.6 mm, 2011
Maximum Hourly Rain n/a 3.6, 2011
Maximum 10-min Rain n/a 1.4, 2011
Maximum Rain Rate n/a 15, 2011
Minimum Dew Point 15.6 °C 06:40 11.6 °C 15.6 °C, 2018 2.6 °C, 2014
Maximum Dew Point 18.4 °C 17:32 16.4 °C 18.4 °C, 2018 8.6 °C, 2014
Mean Dew Point 16.6 °C 13.9 °C 16.6 °C, 2018 5.3 °C, 2014
Measure Value Time Month cumul. Record High Record Low
Night Minimum (21-09) 18.4 °C 06:39 15.3 °C 18.4 °C, 2018 8.6 °C, 2014
Day Maximum (09-21) 24.9 °C 16:33 24.8 °C 24.9 °C, 2012 18.9 °C, 2014
Max 10m Temp Rise 0.6 °C 09:54 0.6 °C 0.7 °C, 2013 0.4 °C, 2010
Max 1hr Temp Rise 2.1 °C 09:17 2.5 °C 2.9 °C, 2013 1.2 °C, 2010
Max 1hr Hum Rise 8% 21:16 12% 12%, 2011 4%, 2010
Max 10m Temp Fall 0.5 °C 21:02 0.6 °C 0.8 °C, 2016 0.2 °C, 2010
Max 1hr Temp Fall 1.8 °C 21:15 2.2 °C 3.2 °C, 2013 0.4 °C, 2010
Max 1hr Hum Fall 9% 10:05 13% 15%, 2013 2%, 2010
Max 10m Wind Speed 8.2 mph 16:48 9.1 mph 21.9 mph, 2016 6.3 mph, 2013
Minimum Feels-like 22.7 °C 06:28 17.5 °C 22.7 °C, 2018 6.9 °C, 2014
Maximum Feels-like 31.1 °C 17:24 28.6 °C 31.1 °C, 2018 18.9 °C, 2014
Mean Feels-like 26.7 °C 23.4 °C 26.7 °C, 2018 13.8 °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 6.5 °C (-2.6) 10.0 °C (+1.0) 13.1 °C (+4.0), 2013 4.2 °C (-4.9), 2010
Humidity Range 22% 39% 48%, 2014 16%, 2010
Pressure Range 3 hPa 5 hPa 8 hPa, 2009 2 hPa, 2013
Measure Value [% of max] Month cumul. Record High Record Low
Sun Hours 2.5 [19%]138 hrs (115%) [51%] 10 [77%], 2013 0.2 [2%], 2015
Wet Hours 023 hrs (94%) [4.8%] 4, 2017 0, 2009
Cloud Cover Partly Cloudy or Mostly Cloudy
Events None
Comments -
Extra Comments
Issues None known
Observer Absent? Yes - observations may be unreliable
Notes
Times of extremes are computed using the midpoint time of the extremum (if the value persisted for >1 minute).
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; their reliablity is questionable and they are provided for interest only.
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