Daily Report for 9th July 2009

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Measure Value (anomaly) Time Month cumul. Record High Record Low
Minimum Temperature 10.9 °C (-2.0) 05:34 14.5 °C (+1.9) 17.6 °C (+4.7), 2017 10.9 °C (-2.0), 2009
Maximum Temperature 18.0 °C (-4.2) 15:52 23.1 °C (+1.1) 31.7 °C (+9.5), 2010 18.0 °C (-4.2), 2009
Mean Temperature 14.7 °C (-3.1) 18.1 °C (+1.5) 23.3 °C, 2010 14.7 °C, 2009
Minimum Humidity 47% 15:55 50% 80%, 2020 30%, 2013
Maximum Humidity 79% 01:16 87% 95%, 2014 67%, 2015
Mean Humidity 62% 71% 90%, 2020 48%, 2015
Minimum Pressure 1015 hPa 17:16 1010 hPa 1025 hPa, 2013 1007 hPa, 2011
Maximum Pressure 1016 hPa 06:54 1015 hPa 1032 hPa, 2013 1012 hPa, 2012
Mean Pressure 1016 hPa 1013 hPa 1028 hPa, 2013 1011 hPa, 2012
Mean Wind Speed n/a (-4.3) 0.0 mph (-4.3) 10.6, 2016 2.5, 2018
Maximum Wind Speed n/a 0.0 mph 22.6, 2016 9, 2015
Maximum Gust n/a 0.0 mph 37.1, 2016 12.5, 2012
Mean Wind Direction n/a
Rainfall 0.0 mm 14.0 mm (115%) 3.1 mm, 2020
Maximum Hourly Rain n/a 1.3, 2020
Maximum 10-min Rain n/a 0.9, 2020
Maximum Rain Rate n/a 18, 2020
Minimum Dew Point 5.9 °C 14:17 9.7 °C 13.4 °C, 2020 3.6 °C, 2015
Maximum Dew Point 10.9 °C 01:16 15.4 °C 16.7 °C, 2018 7.8 °C, 2015
Mean Dew Point 7.3 °C 12.4 °C 15.4 °C, 2020 5.2 °C, 2015
Measure Value Time Month cumul. Record High Record Low
Night Minimum (21-09) 10.9 °C 14.5 °C 17.6 °C, 2017 10.9 °C, 2009
Day Maximum (09-21) 18.0 °C 23.1 °C 31.7 °C, 2010 18.0 °C, 2009
Max 10m Temp Rise 0.6 °C 09:45 0.7 °C 0.8 °C, 2018 0.3 °C, 2020
Max 1hr Temp Rise 2.1 °C 10:18 2.1 °C 3.7 °C, 2018 1.0 °C, 2020
Max 1hr Hum Rise 6% 22:21 7% 12%, 2018 4%, 2014
Max 10m Temp Fall 0.8 °C 02:38 0.6 °C 1.3 °C, 2018 0.3 °C, 2017
Max 1hr Temp Fall 1.4 °C 03:28 1.4 °C 3.8 °C, 2018 0.9 °C, 2016
Max 1hr Hum Fall 13% 10:28 10% 21%, 2018 4%, 2020
Max 10m Wind Speed n/a 0.0 mph 18.9, 2016 6.9, 2015
Minimum Feels-like n/a 0.0 °C 20.8, 2017 11.1, 2015
Maximum Feels-like n/a 0.0 °C 34.5, 2010 21.3, 2012
Mean Feels-like n/a 0.0 °C 26.1, 2010 17, 2015
Air-frost Hrs 0 hrs 0 hrs 0 hrs, 2009 0 hrs, 2009
Measure Value (anomaly) Month cumul. Record High Record Low
Temperature Range 7.1 °C (-2.3) 8.6 °C (-0.8) 15.5 °C (+6.1), 2010 3.3 °C (-6.1), 2012
Humidity Range 32% 37% 58%, 2014 13%, 2020
Pressure Range 1 hPa 4 hPa 11 hPa, 2017 1 hPa, 2009
Measure Value [% of max] Month cumul. Record High Record Low
Sun Hours 5.8 [39%]57 hrs (103%) [42%] 14.9 [100%], 2013 0 [0%], 2012
Wet Hours 07.1 hrs (72%) [3.3%] 5, 2020 0, 2009
Cloud Cover not available
Events None
Comments -
Extra Comments
Issues None known
Observer Absent? Yes - observations may be unreliable
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