Daily Report for 27th July 2019

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Measure Value (anomaly) Time Month cumul. Record High Record Low
Minimum Temperature 15.7 °C (+1.8) 07:49 15.0 °C (+1.7) 19.3 °C (+5.4), 2018 12.4 °C (-1.5), 2009
Maximum Temperature 21.3 °C (-1.4) 00:02 24.7 °C (+2.3) 31.8 °C (+9.1), 2018 19.7 °C (-3.0), 2015
Mean Temperature 17.7 °C (+0.2) 20.0 °C (+2.0) 24.5 °C, 2018 16.2 °C, 2009
Minimum Humidity 75% 00:07 49% 75%, 2019 36%, 2013
Maximum Humidity 94% 09:53 86% 95%, 2009 77%, 2014
Mean Humidity 88% 68% 88%, 2019 57%, 2014
Minimum Pressure 1007 hPa 17:48 1016 hPa 1019 hPa, 2011 996 hPa, 2015
Maximum Pressure 1010 hPa 00:00 1020 hPa 1022 hPa, 2011 1004 hPa, 2015
Mean Pressure 1008 hPa 1018 hPa 1020 hPa, 2011 1000 hPa, 2015
Mean Wind Speed 4.2 mph (-0.1) 3.9 mph (-0.4) 8.7 mph, 2015 2.0 mph, 2012
Maximum Wind Speed 11.5 mph 00:41 11.5 mph 19.0 mph, 2015 7.4 mph, 2014
Maximum Gust 16.1 mph 00:58 18.2 mph 27.5 mph, 2015 10.7 mph, 2014
Mean Wind Direction WNW
Rainfall 10.0 mm 34.6 mm (95%) 10.0 mm, 2019
Maximum Hourly Rain 3.2 mm 09:13 5.4 mm, 2018
Maximum 10-min Rain 0.8 mm 08:52 4.6 mm, 2018
Maximum Rain Rate 6 mm/h 03:48 60 mm/h, 2018
Minimum Dew Point 14.1 °C 07:20 11.0 °C 15.1 °C, 2018 7.4 °C, 2009
Maximum Dew Point 17.0 °C 14:02 15.8 °C 20.9 °C, 2018 12.9 °C, 2011
Mean Dew Point 15.7 °C 13.5 °C 16.6 °C, 2018 11.2 °C, 2017
Measure Value Time Month cumul. Record High Record Low
Night Minimum (21-09) 15.7 °C 07:47 15.0 °C 19.3 °C, 2018 12.4 °C, 2009
Day Maximum (09-21) * 19.2 °C * 15:28 24.6 °C 31.8 °C, 2018 19.2 °C, 2019
Max 10m Temp Rise 0.2 °C 09:56 0.6 °C 0.8 °C, 2017 0.2 °C, 2019
Max 1hr Temp Rise 0.8 °C 09:56 2.2 °C 3.4 °C, 2018 0.8 °C, 2019
Max 1hr Hum Rise 7% 01:09 9% 20%, 2018 5%, 2016
Max 10m Temp Fall 0.4 °C 00:42 0.5 °C 1.4 °C, 2018 0.3 °C, 2015
Max 1hr Temp Fall 1.9 °C 01:23 1.8 °C 5.0 °C, 2018 1.1 °C, 2015
Max 1hr Hum Fall 5% 14:51 10% 16%, 2018 5%, 2019
Max 10m Wind Speed 8.9 mph 00:52 8.4 mph 14.0 mph, 2015 3.9 mph, 2009
Minimum Feels-like 19.1 °C 07:20 17.4 °C 23.4 °C, 2018 15.1 °C, 2013
Maximum Feels-like 26.4 °C 00:02 28.6 °C 37.8 °C, 2018 22.6 °C, 2011
Mean Feels-like 22.1 °C 23.2 °C 29.5 °C, 2018 18.8 °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 5.6 °C (-3.1) 9.7 °C (+0.6) 14.2 °C (+5.5), 2013 4.9 °C (-3.8), 2015
Humidity Range 19% 37% 54%, 2013 19%, 2019
Pressure Range 3 hPa 5 hPa 8 hPa, 2012 2 hPa, 2010
Measure Value [% of max] Month cumul. Record High Record Low
Sun Hours 0 [0%]174 hrs (107%) [44%] 8 [56%], 2018 0 [0%], 2019
Wet Hours 9
[Mean rain rate: 1.1 mm/h]
35 hrs (119%) [5.4%] 9, 2019 0, 2011
Cloud Cover Overcast
Events None
Comments 01-11 Rain
Extra Comments
Issues None known
Observer Absent? Yes - observations may be unreliable
Pond Temperature (Heath) 23.0 °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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