Daily Report for 13th August 2018

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Measure Value (anomaly) Time Month cumul. Record High Record Low
Minimum Temperature 15.8 °C (+2.4) 04:19 14.8 °C (+1.2) 16.1 °C (+2.7), 2011 11.5 °C (-1.9), 2013
Maximum Temperature 23.8 °C (+1.4) 18:01 25.9 °C (+3.3) 25.1 °C (+2.7), 2016 18.1 °C (-4.3), 2010
Mean Temperature 19.1 °C (+1.9) 20.4 °C (+2.2) 19.6 °C, 2016 14.3 °C, 2010
Minimum Humidity 56% 18:22 45% 69%, 2015 33%, 2017
Maximum Humidity 94% 04:40 89% 94%, 2018 70%, 2017
Mean Humidity 79% 68% 87%, 2015 51%, 2017
Minimum Pressure 1006 hPa 05:12 1015 hPa 1021 hPa, 2016 1004 hPa, 2014
Maximum Pressure 1013 hPa 23:55 1021 hPa 1024 hPa, 2016 1008 hPa, 2014
Mean Pressure 1008 hPa 1017 hPa 1022 hPa, 2013 1005 hPa, 2014
Mean Wind Speed 3.8 mph (-0.2) 3.5 mph (-0.5) 7.0 mph, 2016 1.6 mph, 2017
Maximum Wind Speed 12.9 mph 13:42 11.7 mph 17.6 mph, 2016 6.8 mph, 2017
Maximum Gust 19.6 mph 13:43 18.7 mph 29.0 mph, 2016 10.0 mph, 2009
Mean Wind Direction W
Rainfall 0.4 mm 22.6 mm (102%) 10.4 mm, 2015
Maximum Hourly Rain 0.2 mm 5.0 mm, 2015
Maximum 10-min Rain 0.2 mm 2.5 mm, 2010
Maximum Rain Rate n/a 30, 2010
Minimum Dew Point 13.4 °C 23:56 11.2 °C 13.4 °C, 2018 4.5 °C, 2017
Maximum Dew Point 16.8 °C 12:50 16.4 °C 18.1 °C, 2015 9.6 °C, 2017
Mean Dew Point 15.1 °C 13.7 °C 15.8 °C, 2015 6.9 °C, 2017
Measure Value Time Month cumul. Record High Record Low
Night Minimum (21-09) 15.8 °C 04:19 15.0 °C 16.1 °C, 2011 11.5 °C, 2013
Day Maximum (09-21) 23.8 °C 18:04 25.7 °C 25.1 °C, 2016 18.1 °C, 2010
Max 10m Temp Rise 0.9 °C 12:32 0.7 °C 1.0 °C, 2009 0.4 °C, 2015
Max 1hr Temp Rise 2.8 °C 12:58 2.8 °C 2.8 °C, 2017 1.3 °C, 2009
Max 1hr Hum Rise 10% 21:10 13% 13%, 2010 5%, 2016
Max 10m Temp Fall 0.7 °C 11:41 0.7 °C 1.2 °C, 2009 0.3 °C, 2015
Max 1hr Temp Fall 1.7 °C 21:22 2.5 °C 2.5 °C, 2017 1.0 °C, 2015
Max 1hr Hum Fall 12% 13:03 15% 15%, 2013 7%, 2015
Max 10m Wind Speed 8.2 mph 13:48 8.6 mph 12.2 mph, 2016 4.4 mph, 2017
Minimum Feels-like 19.6 °C 03:55 17.4 °C 19.6 °C, 2018 11.7 °C, 2013
Maximum Feels-like 27.8 °C 15:59 29.2 °C 27.8 °C, 2018 20.4 °C, 2013
Mean Feels-like 23.2 °C 23.7 °C 23.2 °C, 2018 16.4 °C, 2013
Air-frost Hrs 0 hrs 0 hrs 0 hrs, 2009 0 hrs, 2009
Measure Value (anomaly) Month cumul. Record High Record Low
Temperature Range 8.0 °C (-1.0) 11.1 °C (+2.2) 11.2 °C (+2.2), 2017 4.2 °C (-4.8), 2015
Humidity Range 38% 44% 46%, 2009 24%, 2010
Pressure Range 7 hPa 6 hPa 12 hPa, 2015 1 hPa, 2010
Measure Value [% of max] Month cumul. Record High Record Low
Sun Hours 3 [22%]112 hrs (141%) [63%] 13 [97%], 2017 0 [0%], 2015
Wet Hours 1
[Mean rain rate: 0.4 mm/h]
18 hrs (113%) [5.8%] 4, 2015 0, 2012
Cloud Cover am: Mostly Cloudy
pm: Partly Cloudy
Events None
Comments am Showers
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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