Daily Report for 15th August 2018

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Measure Value (anomaly) Time Month cumul. Record High Record Low
Minimum Temperature 15.8 °C (+2.4) 03:54 14.8 °C (+1.2) 17.4 °C (+4.0), 2012 11.5 °C (-1.9), 2016
Maximum Temperature 24.0 °C (+1.6) 16:18 25.7 °C (+3.1) 24.0 °C (+1.6), 2017 19.9 °C (-2.5), 2015
Mean Temperature 19.6 °C (+2.0) 20.3 °C (+2.2) 19.6 °C, 2018 15.8 °C, 2014
Minimum Humidity 61% 16:55 46% 65%, 2009 41%, 2011
Maximum Humidity 84% 04:12 89% 97%, 2010 76%, 2011
Mean Humidity 73% 69% 78%, 2009 58%, 2017
Minimum Pressure 1016 hPa 23:55 1014 hPa 1022 hPa, 2016 1002 hPa, 2012
Maximum Pressure 1019 hPa 08:37 1020 hPa 1025 hPa, 2016 1011 hPa, 2012
Mean Pressure 1018 hPa 1017 hPa 1023 hPa, 2016 1006 hPa, 2012
Mean Wind Speed 6.3 mph (+2.3) 3.8 mph (-0.2) 6.3 mph, 2018 2.5 mph, 2017
Maximum Wind Speed 14.5 mph 14:38 11.9 mph 17.0 mph, 2012 8.7 mph, 2014
Maximum Gust 26.5 mph 18:02 19.3 mph 26.5 mph, 2018 11.8 mph, 2014
Mean Wind Direction SW
Rainfall 0.0 mm 22.6 mm (88%) 0.6 mm, 2012
Maximum Hourly Rain n/a 0.6, 2012
Maximum 10-min Rain n/a 0.6, 2012
Maximum Rain Rate n/a 3.1, 2012
Minimum Dew Point 12.7 °C 02:18 11.3 °C 13.3 °C, 2013 5.7 °C, 2015
Maximum Dew Point 16.3 °C 16:22 16.3 °C 18.8 °C, 2012 11.5 °C, 2011
Mean Dew Point 14.6 °C 13.8 °C 15.3 °C, 2013 8.7 °C, 2011
Measure Value Time Month cumul. Record High Record Low
Night Minimum (21-09) 15.8 °C 03:55 15.0 °C 17.4 °C, 2012 11.5 °C, 2016
Day Maximum (09-21) 24.0 °C 16:19 25.5 °C 24.0 °C, 2017 19.9 °C, 2015
Max 10m Temp Rise 0.6 °C 08:49 0.7 °C 0.8 °C, 2011 0.4 °C, 2010
Max 1hr Temp Rise 2.1 °C 09:19 2.7 °C 3.5 °C, 2016 1.6 °C, 2010
Max 1hr Hum Rise 9% 19:54 13% 15%, 2013 5%, 2017
Max 10m Temp Fall 0.4 °C 18:06 0.6 °C 1.1 °C, 2013 0.4 °C, 2010
Max 1hr Temp Fall 1.5 °C 18:06 2.4 °C 2.9 °C, 2015 1.5 °C, 2018
Max 1hr Hum Fall 6% 09:19 14% 16%, 2015 6%, 2018
Max 10m Wind Speed 11.2 mph 16:17 8.8 mph 12.5 mph, 2012 5.9 mph, 2014
Minimum Feels-like 18.5 °C 03:33 17.4 °C 20.5 °C, 2013 11.6 °C, 2015
Maximum Feels-like 28.8 °C 16:13 29.1 °C 28.8 °C, 2018 21.2 °C, 2015
Mean Feels-like 23.4 °C 23.6 °C 23.7 °C, 2013 17.4 °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 8.2 °C (-0.8) 10.9 °C (+1.9) 11.6 °C (+2.6), 2016 5.1 °C (-3.9), 2012
Humidity Range 23% 42% 49%, 2015 22%, 2009
Pressure Range 3 hPa 6 hPa 11 hPa, 2014 2 hPa, 2009
Measure Value [% of max] Month cumul. Record High Record Low
Sun Hours 2 [15%]118 hrs (130%) [58%] 13 [97%], 2016 1.4 [10%], 2013
Wet Hours 018 hrs (98%) [5%] 2, 2011 0, 2009
Cloud Cover Mostly Cloudy with periods of Partly 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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