Daily Report for 31st May 2019

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Measure Value (anomaly) Time Month cumul. Record High Record Low
Minimum Temperature 14.7 °C (+4.6) 04:22 8.2 °C (-0.1) 14.8 °C (+4.7), 2018 6.8 °C (-3.3), 2014
Maximum Temperature 20.6 °C (+2.2) 18:40 17.7 °C (+1.0) 25.3 °C (+6.9), 2009 13.2 °C (-5.2), 2016
Mean Temperature 17.5 °C (+3.4) 13.0 °C (+0.5) 18.1 °C, 2017 12.0 °C, 2016
Minimum Humidity 62% 18:03 50% 73%, 2018 35%, 2011
Maximum Humidity 79% 04:29 89% 97%, 2018 79%, 2010
Mean Humidity 71% 71% 88%, 2018 63%, 2011
Minimum Pressure 1022 hPa 21:01 1015 hPa 1024 hPa, 2009 1004 hPa, 2015
Maximum Pressure 1025 hPa 07:39 1021 hPa 1027 hPa, 2011 1012 hPa, 2015
Mean Pressure 1024 hPa 1018 hPa 1025 hPa, 2014 1007 hPa, 2015
Mean Wind Speed 6.2 mph (+1.5) 3.7 mph (-1.0) 7.2 mph, 2016 1.0 mph, 2014
Maximum Wind Speed 12.6 mph 13:19 12.2 mph 17.0 mph, 2015 6.4 mph, 2014
Maximum Gust 19.6 mph 00:04 18.9 mph 24.1 mph, 2016 8.7 mph, 2014
Mean Wind Direction SW
Rainfall 0.0 mm 29.4 mm (58%) 12.4 mm, 2016
Maximum Hourly Rain n/a 5.8, 2016
Maximum 10-min Rain n/a 1.3, 2016
Maximum Rain Rate n/a 24, 2016
Minimum Dew Point 10.7 °C 03:10 4.5 °C 14.2 °C, 2018 0.2 °C, 2015
Maximum Dew Point 13.6 °C 16:39 9.7 °C 18.2 °C, 2018 8.8 °C, 2011
Mean Dew Point 12.1 °C 7.4 °C 15.9 °C, 2018 5.1 °C, 2011
Measure Value Time Month cumul. Record High Record Low
Night Minimum (21-09) 14.7 °C 04:22 8.3 °C 14.8 °C, 2018 6.8 °C, 2014
Day Maximum (09-21) 20.6 °C 18:26 17.7 °C 25.3 °C, 2009 12.9 °C, 2016
Max 10m Temp Rise 0.4 °C 08:50 0.7 °C 0.8 °C, 2013 0.3 °C, 2016
Max 1hr Temp Rise 1.5 °C 09:16 2.5 °C 3.4 °C, 2014 0.8 °C, 2016
Max 1hr Hum Rise 6% 21:29 13% 11%, 2013 4%, 2018
Max 10m Temp Fall 0.4 °C 12:46 0.7 °C 0.6 °C, 2013 0.2 °C, 2016
Max 1hr Temp Fall 1.7 °C 20:30 2.1 °C 2.6 °C, 2013 0.6 °C, 2016
Max 1hr Hum Fall 7% 09:52 13% 18%, 2014 2%, 2016
Max 10m Wind Speed 9.6 mph 12:44 8.7 mph 12.8 mph, 2015 3.9 mph, 2014
Minimum Feels-like 16.4 °C 04:14 7.1 °C 18.3 °C, 2018 5.6 °C, 2011
Maximum Feels-like 23.6 °C 18:34 18.7 °C 28.6 °C, 2018 14.7 °C, 2016
Mean Feels-like 19.8 °C 13.4 °C 22.7 °C, 2018 12.4 °C, 2011
Air-frost Hrs 0 hrs 0 hrs 0 hrs, 2009 0 hrs, 2009
Measure Value (anomaly) Month cumul. Record High Record Low
Temperature Range 5.9 °C (-2.4) 9.5 °C (+1.1) 15.1 °C (+6.8), 2009 2.3 °C (-6.0), 2016
Humidity Range 17% 39% 52%, 2011 17%, 2019
Pressure Range 3 hPa 7 hPa 15 hPa, 2011 2 hPa, 2009
Measure Value [% of max] Month cumul. Record High Record Low
Sun Hours 2 [14%]179 hrs (94%) [41%] 11.6 [79%], 2009 0 [0%], 2016
Wet Hours 032 hrs (80%) [4.3%] 7, 2015 0, 2009
Cloud Cover unknown
Events None
Comments blr
Extra Comments
Issues None known
Observer Absent? No
Pond Temperature (Heath) 17.5 °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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