Daily Report for 18th June 2019

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Measure Value (anomaly) Time Month cumul. Record High Record Low
Minimum Temperature 11.4 °C (+0.2) 04:23 11.6 °C (+0.8) 18.8 °C (+7.6), 2017 10.9 °C (-0.3), 2010
Maximum Temperature 19.9 °C (-0.6) 11:45 19.2 °C (-0.5) 31.8 °C (+11.3), 2017 16.3 °C (-4.2), 2016
Mean Temperature 16.0 °C (-0.2) 15.1 °C (+0.2) 25.9 °C, 2017 13.9 °C, 2010
Minimum Humidity 58% 10:38 56% 68%, 2016 39%, 2017
Maximum Humidity 93% 23:22 90% 95%, 2011 74%, 2017
Mean Humidity 80% 75% 81%, 2016 54%, 2017
Minimum Pressure 1010 hPa 23:54 1009 hPa 1024 hPa, 2014 996 hPa, 2011
Maximum Pressure 1018 hPa 00:37 1016 hPa 1027 hPa, 2014 1005 hPa, 2011
Mean Pressure 1015 hPa 1012 hPa 1026 hPa, 2014 1000 hPa, 2011
Mean Wind Speed 1.6 mph (-2.8) 5.2 mph (+0.8) 7.8 mph, 2018 1.1 mph, 2017
Maximum Wind Speed 7.8 mph 11:20 14.5 mph 16.6 mph, 2011 5.7 mph, 2017
Maximum Gust 23.0 mph 01:07 25.0 mph 25.9 mph, 2011 8.4 mph, 2017
Mean Wind Direction WNW
Rainfall 4.2 mm 42.4 mm (128%) 4.2 mm, 2019
Maximum Hourly Rain 2.4 mm 17:33 2.4 mm, 2019
Maximum 10-min Rain 0.8 mm 17:24 0.8 mm, 2019
Maximum Rain Rate 12 mm/h 17:00 30 mm/h, 2012
Minimum Dew Point 9.0 °C 04:02 8.2 °C 13.8 °C, 2017 4.7 °C, 2015
Maximum Dew Point 15.3 °C 18:31 12.6 °C 17.3 °C, 2017 11.2 °C, 2012
Mean Dew Point 12.3 °C 10.5 °C 15.6 °C, 2017 8.2 °C, 2009
Measure Value Time Month cumul. Record High Record Low
Night Minimum (21-09) 11.4 °C 04:21 11.7 °C 18.8 °C, 2017 10.9 °C, 2010
Day Maximum (09-21) 19.9 °C 11:45 19.1 °C 31.8 °C, 2017 16.3 °C, 2016
Max 10m Temp Rise 0.5 °C 08:16 1.0 °C 0.8 °C, 2013 0.4 °C, 2016
Max 1hr Temp Rise 2.2 °C 08:37 2.3 °C 2.5 °C, 2017 1.0 °C, 2016
Max 1hr Hum Rise 13% 13:45 11% 17%, 2011 4%, 2013
Max 10m Temp Fall 0.4 °C 03:12 0.6 °C 0.7 °C, 2015 0.3 °C, 2009
Max 1hr Temp Fall 1.5 °C 03:32 1.8 °C 1.9 °C, 2014 1.0 °C, 2009
Max 1hr Hum Fall 10% 09:13 12% 16%, 2009 5%, 2016
Max 10m Wind Speed 5.3 mph 00:44 10.4 mph 12.8 mph, 2011 3.7 mph, 2017
Minimum Feels-like 12.2 °C 04:02 12.0 °C 22.1 °C, 2017 10.9 °C, 2010
Maximum Feels-like 22.1 °C 11:42 21.0 °C 36.7 °C, 2017 18.2 °C, 2016
Mean Feels-like 18.5 °C 16.7 °C 30.3 °C, 2017 15.1 °C, 2010
Air-frost Hrs 0 hrs 0 hrs 0 hrs, 2009 0 hrs, 2009
Measure Value (anomaly) Month cumul. Record High Record Low
Temperature Range 8.5 °C (-0.8) 7.6 °C (-1.3) 13.0 °C (+3.7), 2017 4.1 °C (-5.2), 2016
Humidity Range 35% 34% 47%, 2018 17%, 2010
Pressure Range 8 hPa 7 hPa 11 hPa, 2016 2 hPa, 2010
Measure Value [% of max] Month cumul. Record High Record Low
Sun Hours 2 [13%]86 hrs (75%) [32%] 11 [73%], 2017 0.1 [1%], 2016
Wet Hours 4
[Mean rain rate: 1.1 mm/h]
53 hrs (239%) [12%] 4, 2019 0, 2009
Cloud Cover unknown
Events None
Comments blr
Extra Comments
Issues None known
Observer Absent? No
Pond Temperature (Heath) 16.5 °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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