Daily Report for 23rd August 2018

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Measure Value (anomaly) Time Month cumul. Record High Record Low
Minimum Temperature 15.1 °C (+2.1) 23:57 15.1 °C (+1.7) 16.4 °C (+3.4), 2017 9.3 °C (-3.7), 2014
Maximum Temperature 21.4 °C (-0.6) 15:30 24.7 °C (+2.3) 29.6 °C (+7.6), 2016 16.4 °C (-5.6), 2011
Mean Temperature 18.8 °C (+0.8) 20.0 °C (+2.0) 22.3 °C, 2016 14.2 °C, 2014
Minimum Humidity 54% 17:48 51% 73%, 2011 33%, 2016
Maximum Humidity 90% 10:39 89% 96%, 2010 74%, 2009
Mean Humidity 76% 71% 88%, 2011 57%, 2014
Minimum Pressure 1011 hPa 17:58 1015 hPa 1017 hPa, 2016 997 hPa, 2010
Maximum Pressure 1016 hPa 00:00 1020 hPa 1025 hPa, 2016 1006 hPa, 2010
Mean Pressure 1013 hPa 1018 hPa 1022 hPa, 2016 1002 hPa, 2010
Mean Wind Speed 5.4 mph (+1.4) 4.2 mph (+0.2) 7.4 mph, 2010 3.0 mph, 2017
Maximum Wind Speed 12.9 mph 19:26 12.2 mph 22.5 mph, 2010 9.2 mph, 2012
Maximum Gust 20.7 mph 19:34 19.6 mph 30.0 mph, 2010 12.1 mph, 2012
Mean Wind Direction W
Rainfall 0.6 mm 37.0 mm (94%) 21.0 mm, 2010
Maximum Hourly Rain 0.6 mm 09:52 5.8 mm, 2015
Maximum 10-min Rain 0.4 mm 09:42 3.4 mm, 2015
Maximum Rain Rate 4.0 mm/h 09:42 54 mm/h, 2015
Minimum Dew Point 10.5 °C 23:35 11.8 °C 12.2 °C, 2013 2.7 °C, 2014
Maximum Dew Point 17.6 °C 09:39 16.5 °C 18.2 °C, 2013 8.1 °C, 2014
Mean Dew Point 14.2 °C 14.1 °C 14.9 °C, 2013 5.4 °C, 2014
Measure Value Time Month cumul. Record High Record Low
Night Minimum (21-09) * 18.6 °C * 06:25 15.6 °C 18.6 °C, 2018 9.3 °C, 2014
Day Maximum (09-21) 21.4 °C 15:31 24.6 °C 29.6 °C, 2016 15.6 °C, 2011
Max 10m Temp Rise 0.6 °C 13:07 0.6 °C 0.8 °C, 2016 0.2 °C, 2011
Max 1hr Temp Rise 2.4 °C 13:43 2.4 °C 4.1 °C, 2016 0.7 °C, 2011
Max 1hr Hum Rise 6% 10:21 11% 13%, 2012 4%, 2017
Max 10m Temp Fall 0.9 °C 09:50 0.6 °C 1.0 °C, 2014 0.3 °C, 2013
Max 1hr Temp Fall 2.5 °C 19:46 2.1 °C 2.7 °C, 2014 1.2 °C, 2017
Max 1hr Hum Fall 15% 13:38 13% 24%, 2016 9%, 2015
Max 10m Wind Speed 10.3 mph 19:34 9.0 mph 13.4 mph, 2010 7.3 mph, 2011
Minimum Feels-like 16.7 °C 23:52 17.8 °C 19.6 °C, 2013 8.0 °C, 2014
Maximum Feels-like 25.5 °C 09:39 28.6 °C 32.4 °C, 2016 18.9 °C, 2014
Mean Feels-like 22.4 °C 23.5 °C 25.0 °C, 2016 14.2 °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 6.3 °C (-2.7) 9.6 °C (+0.6) 16.2 °C (+7.2), 2016 2.7 °C (-6.3), 2011
Humidity Range 36% 38% 57%, 2016 22%, 2011
Pressure Range 5 hPa 5 hPa 11 hPa, 2009 3 hPa, 2017
Measure Value [% of max] Month cumul. Record High Record Low
Sun Hours 3 [23%]151 hrs (110%) [49%] 12.9 [100%], 2016 0 [0%], 2011
Wet Hours 1
[Mean rain rate: 0.6 mm/h]
24 hrs (85%) [4.3%] 7, 2010 0, 2009
Cloud Cover am: Overcast
pm: Partly Cloudy or Hazy
Events None
Comments 10 Rain
Extra Comments
Issues None known
Observer Absent? Yes - observations may be unreliable
Pond Temperature (Heath) 0.0 °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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