Daily Report for 8th June 2022

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Measure Value (anomaly) Time Month cumul. Record High Record Low
Minimum Temperature 14.3 °C (+2.9) 03:18 10.9 °C (-0.3) 14.3 °C (+2.9), 2022 8.7 °C (-2.7), 2009
Maximum Temperature 22.4 °C (+2.2) 15:52 19.9 °C (+0.0) 25.3 °C (+5.1), 2021 15.5 °C (-4.7), 2020
Mean Temperature 17.8 °C (+2.6) 15.2 °C (-0.1) 20.0 °C, 2021 12.4 °C, 2009
Minimum Humidity 45% 17:33 57% 68%, 2010 34%, 2014
Maximum Humidity 94% 06:11 91% 95%, 2010 79%, 2011
Mean Humidity 72% 76% 86%, 2010 56%, 2014
Minimum Pressure 1004 hPa 06:46 1015 hPa 1031 hPa, 2015 993 hPa, 2012
Maximum Pressure 1012 hPa 23:53 1019 hPa 1033 hPa, 2015 1005 hPa, 2012
Mean Pressure 1007 hPa 1017 hPa 1032 hPa, 2015 999 hPa, 2012
Mean Wind Speed 4.9 mph (+0.5) 3.2 mph (-1.2) 12.6 mph, 2012 1.9 mph, 2021
Maximum Wind Speed 14.1 mph 16:21 10.8 mph 25.6 mph, 2012 8.3 mph, 2021
Maximum Gust 25.1 mph 14:19 18.7 mph 35.7 mph, 2019 12.5 mph, 2021
Mean Wind Direction W
Rainfall 2.2 mm 14.7 mm (117%) 8.5 mm, 2010
Maximum Hourly Rain 1.2 mm 02:24 5.0 mm, 2016
Maximum 10-min Rain 0.7 mm 03:53 3.5 mm, 2010
Maximum Rain Rate 4.8 mm/h 03:50 78 mm/h, 2016
Minimum Dew Point 9.3 °C 17:33 8.6 °C 10.2 °C, 2010 2.1 °C, 2015
Maximum Dew Point 14.4 °C 07:43 13.1 °C 17.8 °C, 2016 8.0 °C, 2013
Mean Dew Point 12.3 °C 10.8 °C 13.8 °C, 2016 5.2 °C, 2015
Measure Value Time Month cumul. Record High Record Low
Night Minimum (21-09) 14.3 °C 03:09 10.9 °C 14.4 °C, 2016 8.7 °C, 2009
Day Maximum (09-21) 22.4 °C 16:14 19.9 °C 25.3 °C, 2021 15.5 °C, 2020
Max 10m Temp Rise 0.6 °C 14:48 0.6 °C 0.8 °C, 2014 0.4 °C, 2012
Max 1hr Temp Rise 1.6 °C 13:27 2.2 °C 3.0 °C, 2014 1.1 °C, 2017
Max 1hr Hum Rise 12% 20:36 10% 22%, 2011 4%, 2020
Max 10m Temp Fall 0.7 °C 18:05 0.6 °C 2.1 °C, 2016 0.3 °C, 2009
Max 1hr Temp Fall 2.0 °C 20:46 1.6 °C 4.6 °C, 2016 0.9 °C, 2012
Max 1hr Hum Fall 11% 08:23 11% 16%, 2014 5%, 2017
Max 10m Wind Speed 11.6 mph 16:27 8.4 mph 18.4 mph, 2012 6.5 mph, 2018
Minimum Feels-like 17.0 °C 23:58 11.4 °C 17.0 °C, 2022 5.0 °C, 2013
Maximum Feels-like 24.8 °C 15:43 22.4 °C 28.6 °C, 2016 16.1 °C, 2020
Mean Feels-like 20.2 °C 16.9 °C 22.6 °C, 2021 12.4 °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 8.1 °C (-0.7) 9.1 °C (+0.4) 12.5 °C (+3.7), 2014 3.9 °C (-4.9), 2012
Humidity Range 49% 34% 54%, 2014 22%, 2017
Pressure Range 7 hPa 4 hPa 21 hPa, 2019 2 hPa, 2015
Measure Value [% of max] Month cumul. Record High Record Low
Sun Hours 7 [47%]36 hrs (71%) [30%] 15 [100%], 2021 0 [0%], 2017
Wet Hours 3
[Mean rain rate: 0.7 mm/h]
15 hrs (154%) [7.9%] 6, 2012 0, 2009
Cloud Cover unknown
Events None
Comments o.night rn
Extra Comments
Issues webcam disk full - missing images
Observer Absent? Yes - observations may be unreliable
Pond Temperature (Heath) 18.0 °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 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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Daily Graph of Conditions

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Webcam Summary of Cloud Conditions

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