Daily Report for 24th June 2009

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Measure Value (anomaly) Time Month cumul. Record High Record Low
Minimum Temperature 9.9 °C (-1.7) 05:05 10.7 °C (-0.2) 17.4 °C (+5.8), 2017 9.9 °C (-1.7), 2009
Maximum Temperature 24.5 °C (+3.5) 15:43 20.2 °C (+0.2) 30.6 °C (+9.6), 2020 16.6 °C (-4.4), 2013
Mean Temperature 18.0 °C (+0.9) 15.2 °C (-0.0) 23.7 °C, 2020 13.2 °C, 2013
Minimum Humidity 33% 16:53 47% 61%, 2019 33%, 2009
Maximum Humidity 81% 06:35 85% 95%, 2012 68%, 2010
Mean Humidity 59% 67% 76%, 2019 53%, 2010
Minimum Pressure 1018 hPa 20:10 1015 hPa 1025 hPa, 2018 1008 hPa, 2012
Maximum Pressure 1026 hPa 01:43 1020 hPa 1027 hPa, 2018 1016 hPa, 2017
Mean Pressure 1022 hPa 1017 hPa 1026 hPa, 2018 1013 hPa, 2012
Mean Wind Speed n/a (-4.4) 0.0 mph (-4.4) 6.9, 2017 2.5, 2014
Maximum Wind Speed n/a 0.0 mph 20.6, 2016 8.4, 2019
Maximum Gust n/a 0.0 mph 29, 2016 12.7, 2018
Mean Wind Direction n/a
Rainfall 0.0 mm 34.7 mm (79%) 10.3 mm, 2012
Maximum Hourly Rain n/a 2.6, 2012
Maximum 10-min Rain n/a 1.7, 2012
Maximum Rain Rate n/a 50, 2012
Minimum Dew Point 5.2 °C 02:55 6.0 °C 15.0 °C, 2019 4.4 °C, 2013
Maximum Dew Point 12.8 °C 12:14 11.5 °C 18.9 °C, 2019 7.8 °C, 2013
Mean Dew Point 8.5 °C 8.7 °C 16.9 °C, 2019 5.9 °C, 2013
Measure Value Time Month cumul. Record High Record Low
Night Minimum (21-09) 9.9 °C 10.9 °C 17.4 °C, 2017 9.9 °C, 2009
Day Maximum (09-21) 24.5 °C 20.2 °C 30.6 °C, 2020 16.6 °C, 2013
Max 10m Temp Rise 1.1 °C 10:16 0.8 °C 1.1 °C, 2009 0.4 °C, 2013
Max 1hr Temp Rise 3.4 °C 10:16 2.5 °C 3.4 °C, 2009 1.1 °C, 2013
Max 1hr Hum Rise 8% 19:16 8% 25%, 2014 6%, 2010
Max 10m Temp Fall 0.8 °C 18:27 0.5 °C 1.4 °C, 2012 0.3 °C, 2010
Max 1hr Temp Fall 2.6 °C 19:05 1.7 °C 3.6 °C, 2014 1.1 °C, 2017
Max 1hr Hum Fall 12% 13:04 12% 19%, 2012 7%, 2013
Max 10m Wind Speed n/a 0.0 mph 15.8, 2016 6, 2010
Minimum Feels-like n/a 0.0 °C 21.3, 2019 10.5, 2011
Maximum Feels-like n/a 0.0 °C 35, 2020 16.6, 2013
Mean Feels-like n/a 0.0 °C 27.5, 2020 13.3, 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 14.6 °C (+5.2) 9.5 °C (+0.4) 14.9 °C (+5.5), 2020 5.5 °C (-3.9), 2017
Humidity Range 48% 38% 52%, 2012 21%, 2017
Pressure Range 8 hPa 5 hPa 10 hPa, 2012 2 hPa, 2015
Measure Value [% of max] Month cumul. Record High Record Low
Sun Hours 12 [79%]143 hrs (94%) [40%] 15.2 [100%], 2020 0.2 [1%], 2017
Wet Hours 033 hrs (112%) [5.8%] 7, 2012 0, 2009
Cloud Cover not available
Events None
Comments -
Extra Comments
Issues Tmax corrected as unreliable; temperature and humidity values dubious: 01-16
Observer Absent? No
Pond Temperature (Heath) 0.0 °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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Daily Graph of Conditions

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Wind rose