Daily Report for 4th June 2009

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Measure Value (anomaly) Time Month cumul. Record High Record Low
Minimum Temperature 6.6 °C (-3.7) 05:49 9.7 °C (-0.6) 13.4 °C (+3.1), 2018 6.2 °C (-4.1), 2012
Maximum Temperature 19.1 °C (+0.3) 15:57 22.0 °C (+3.2) 27.8 °C (+9.0), 2010 14.2 °C (-4.6), 2012
Mean Temperature 12.6 °C (-1.7) 15.9 °C (+1.3) 18.3 °C, 2011 10.1 °C, 2012
Minimum Humidity 40% 17:14 41% 82%, 2016 27%, 2015
Maximum Humidity 81% 05:35 76% 98%, 2012 72%, 2017
Mean Humidity 60% 57% 87%, 2016 51%, 2015
Minimum Pressure 1015 hPa 20:40 1021 hPa 1023 hPa, 2013 1001 hPa, 2020
Maximum Pressure 1021 hPa 04:43 1024 hPa 1031 hPa, 2013 1008 hPa, 2020
Mean Pressure 1018 hPa 1022 hPa 1027 hPa, 2013 1004 hPa, 2020
Mean Wind Speed n/a (-4.4) 0.0 mph (-4.4) 6.5, 2011 2.4, 2016
Maximum Wind Speed n/a 0.0 mph 19.7, 2014 7.8, 2016
Maximum Gust n/a 0.0 mph 29.4, 2014 10.5, 2016
Mean Wind Direction n/a
Rainfall 0.0 mm 0.0 mm (0%) 8.9 mm, 2012
Maximum Hourly Rain n/a 3, 2014
Maximum 10-min Rain n/a 1.3, 2014
Maximum Rain Rate n/a 24, 2014
Minimum Dew Point 3.2 °C 21:27 4.0 °C 11.3 °C, 2018 1.6 °C, 2013
Maximum Dew Point 6.4 °C 10:08 10.3 °C 15.7 °C, 2016 6.4 °C, 2009
Mean Dew Point 4.7 °C 7.2 °C 13.3 °C, 2018 4.6 °C, 2013
Measure Value Time Month cumul. Record High Record Low
Night Minimum (21-09) 6.6 °C 10.4 °C 14.6 °C, 2018 6.6 °C, 2009
Day Maximum (09-21) 19.1 °C 22.0 °C 27.8 °C, 2010 14.2 °C, 2012
Max 10m Temp Rise 0.8 °C 10:08 0.8 °C 1.0 °C, 2015 0.4 °C, 2014
Max 1hr Temp Rise 2.6 °C 10:17 2.9 °C 4.5 °C, 2015 1.2 °C, 2014
Max 1hr Hum Rise 7% 23:52 7% 21%, 2014 3%, 2016
Max 10m Temp Fall 0.7 °C 16:11 0.6 °C 1.3 °C, 2014 0.3 °C, 2016
Max 1hr Temp Fall 1.5 °C 21:35 1.9 °C 4.3 °C, 2014 1.0 °C, 2018
Max 1hr Hum Fall 10% 10:55 11% 18%, 2014 4%, 2016
Max 10m Wind Speed n/a 0.0 mph 14.5, 2014 6.2, 2018
Minimum Feels-like n/a 0.0 °C 15.3, 2018 2.6, 2012
Maximum Feels-like n/a 0.0 °C 30.6, 2010 14.2, 2012
Mean Feels-like n/a 0.0 °C 20.0, 2011 9.1, 2012
Air-frost Hrs 0 hrs 0 hrs 0 hrs, 2009 0 hrs, 2009
Measure Value (anomaly) Month cumul. Record High Record Low
Temperature Range 12.5 °C (+4.0) 12.3 °C (+3.9) 18.1 °C (+9.6), 2010 4.8 °C (-3.7), 2018
Humidity Range 41% 36% 51%, 2015 9%, 2016
Pressure Range 6 hPa 3 hPa 12 hPa, 2019 2 hPa, 2018
Measure Value [% of max] Month cumul. Record High Record Low
Sun Hours 10.5 [71%]41 hrs (161%) [68%] 15 [101%], 2010 0 [0%], 2016
Wet Hours 00 hrs (0%) [0%] 7, 2012 0, 2009
Cloud Cover not available
Events None
Comments -
Extra Comments
Issues None known
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