Daily Report for 10th June 2022

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Measure Value (anomaly) Time Month cumul. Record High Record Low
Minimum Temperature 15.4 °C (+3.8) 23:55 11.5 °C (+0.2) 16.1 °C (+4.6), 2021 9.1 °C (-2.5), 2011
Maximum Temperature 23.3 °C (+2.9) 15:02 20.3 °C (+0.3) 24.7 °C (+4.3), 2016 13.2 °C (-7.2), 2019
Mean Temperature 18.8 °C (+3.4) 15.7 °C (+0.2) 20.1 °C, 2021 11.2 °C, 2019
Minimum Humidity 52% 16:46 56% 76%, 2010 34%, 2016
Maximum Humidity 91% 03:22 91% 96%, 2019 69%, 2015
Mean Humidity 71% 76% 91%, 2019 56%, 2015
Minimum Pressure 1018 hPa 01:02 1015 hPa 1025 hPa, 2015 1004 hPa, 2012
Maximum Pressure 1021 hPa 23:50 1019 hPa 1031 hPa, 2015 1008 hPa, 2010
Mean Pressure 1020 hPa 1017 hPa 1028 hPa, 2015 1008 hPa, 2010
Mean Wind Speed 6.6 mph (+2.2) 3.8 mph (-0.6) 7.8 mph, 2017 1.4 mph, 2016
Maximum Wind Speed 14.6 mph 15:22 11.4 mph 17.6 mph, 2017 6.3 mph, 2016
Maximum Gust 21.7 mph 16:57 19.0 mph 25.2 mph, 2017 10.5 mph, 2016
Mean Wind Direction WSW
Rainfall 0.0 mm 14.7 mm (94%) 21.3 mm, 2019
Maximum Hourly Rain n/a 6.1, 2011
Maximum 10-min Rain n/a 3, 2011
Maximum Rain Rate n/a 50, 2011
Minimum Dew Point 11.0 °C 19:23 9.0 °C 14.0 °C, 2021 2.2 °C, 2015
Maximum Dew Point 14.4 °C 02:39 13.3 °C 17.2 °C, 2021 6.0 °C, 2015
Mean Dew Point 13.2 °C 11.1 °C 15.7 °C, 2021 4.4 °C, 2015
Measure Value Time Month cumul. Record High Record Low
Night Minimum (21-09) * 15.6 °C * 05:30 11.5 °C 16.1 °C, 2021 9.1 °C, 2011
Day Maximum (09-21) 23.3 °C 15:17 20.3 °C 24.7 °C, 2016 11.8 °C, 2019
Max 10m Temp Rise 0.7 °C 11:49 0.6 °C 0.9 °C, 2009 0.3 °C, 2019
Max 1hr Temp Rise 2.2 °C 10:30 2.2 °C 3.4 °C, 2012 0.8 °C, 2019
Max 1hr Hum Rise 12% 20:40 11% 20%, 2011 3%, 2013
Max 10m Temp Fall 0.6 °C 20:20 0.6 °C 0.7 °C, 2014 0.2 °C, 2013
Max 1hr Temp Fall 2.0 °C 20:42 1.7 °C 2.0 °C, 2012 0.9 °C, 2013
Max 1hr Hum Fall 9% 09:06 11% 18%, 2016 2%, 2019
Max 10m Wind Speed 11.7 mph 16:20 8.9 mph 13.8 mph, 2017 4.8 mph, 2016
Minimum Feels-like 17.7 °C 23:52 12.2 °C 19.5 °C, 2021 5.1 °C, 2019
Maximum Feels-like 26.8 °C 15:32 22.8 °C 30.0 °C, 2021 14.1 °C, 2019
Mean Feels-like 21.7 °C 17.6 °C 24.6 °C, 2021 11.6 °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 7.9 °C (-1.0) 8.9 °C (+0.1) 12.1 °C (+3.2), 2016 3.9 °C (-5.0), 2020
Humidity Range 39% 35% 54%, 2012 16%, 2013
Pressure Range 3 hPa 4 hPa 9 hPa, 2014 1 hPa, 2010
Measure Value [% of max] Month cumul. Record High Record Low
Sun Hours 9 [60%]49 hrs (77%) [33%] 14 [93%], 2014 0 [0%], 2019
Wet Hours 015 hrs (123%) [6.3%] 18, 2019 0, 2010
Cloud Cover unknown
Events None
Comments -
Extra Comments
Issues None known
Observer Absent? Yes - observations may be unreliable
Pond Temperature (Heath) 18.5 °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 are initially pulled from the official weather station at Heathrow, and later adjusted by hand to reflect local conditions based on webcam observations. Wet hrs are dervied algorithmically from rainfall data, though may be adjusted manually. Cloud cover and Events are manually reported, often with multi-week delays.
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