Daily Report for 10th May 2009

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Measure Value (anomaly) Time Month cumul. Record High Record Low
Minimum Temperature 5.6 °C (-1.7) 05:48 8.0 °C (+1.2) 14.8 °C (+7.5), 2016 4.9 °C (-2.4), 2019
Maximum Temperature 20.1 °C (+4.3) 15:52 17.7 °C (+2.3) 21.4 °C (+5.6), 2011 12.8 °C (-3.0), 2010
Mean Temperature 12.7 °C (+1.3) 12.5 °C (+1.7) 16.2 °C, 2011 8.6 °C, 2010
Minimum Humidity 37% 16:49 44% 83%, 2012 33%, 2011
Maximum Humidity 87% 07:52 84% 97%, 2012 78%, 2017
Mean Humidity 62% 65% 92%, 2012 55%, 2011
Minimum Pressure 1018 hPa 03:26 1018 hPa 1023 hPa, 2011 999 hPa, 2014
Maximum Pressure 1022 hPa 23:49 1022 hPa 1025 hPa, 2011 1009 hPa, 2016
Mean Pressure 1020 hPa 1020 hPa 1024 hPa, 2011 1004 hPa, 2014
Mean Wind Speed n/a (-4.7) 0.0 mph (-4.7) 9, 2014 2.1, 2017
Maximum Wind Speed n/a 0.0 mph 21, 2014 8.2, 2017
Maximum Gust n/a 0.0 mph 36.9, 2020 11.5, 2017
Mean Wind Direction n/a
Rainfall 0.0 mm 1.3 mm (8%) 9.8 mm, 2012
Maximum Hourly Rain n/a 4.9, 2012
Maximum 10-min Rain n/a 2.6, 2012
Maximum Rain Rate n/a 24, 2014
Minimum Dew Point 2.0 °C 23:21 2.6 °C 12.6 °C, 2012 -0.6 °C, 2010
Maximum Dew Point 8.7 °C 10:14 8.7 °C 14.9 °C, 2012 4.1 °C, 2010
Mean Dew Point 5.1 °C 5.8 °C 14.1 °C, 2012 2.4 °C, 2010
Measure Value Time Month cumul. Record High Record Low
Night Minimum (21-09) 5.6 °C 8.2 °C 14.8 °C, 2016 4.9 °C, 2019
Day Maximum (09-21) 20.1 °C 17.7 °C 21.4 °C, 2011 12.8 °C, 2010
Max 10m Temp Rise 0.7 °C 13:07 0.8 °C 1.0 °C, 2011 0.2 °C, 2012
Max 1hr Temp Rise 2.8 °C 10:12 2.6 °C 5.0 °C, 2011 0.6 °C, 2016
Max 1hr Hum Rise 7% 21:08 8% 26%, 2014 4%, 2016
Max 10m Temp Fall 0.5 °C 03:16 0.5 °C 0.9 °C, 2014 0.2 °C, 2016
Max 1hr Temp Fall 2.1 °C 17:56 1.6 °C 2.9 °C, 2014 0.6 °C, 2016
Max 1hr Hum Fall 14% 12:14 14% 29%, 2014 1%, 2016
Max 10m Wind Speed n/a 0.0 mph 14.6, 2014 5.9, 2017
Minimum Feels-like n/a 0.0 °C 17.6, 2016 1, 2020
Maximum Feels-like n/a 0.0 °C 21.4, 2011 12.8, 2010
Mean Feels-like n/a 0.0 °C 19.2, 2016 7.3, 2010
Air-frost Hrs 0 hrs 0 hrs 0 hrs, 2009 0 hrs, 2009
Measure Value (anomaly) Month cumul. Record High Record Low
Temperature Range 14.5 °C (+6.0) 9.7 °C (+1.1) 14.5 °C (+6.0), 2009 1.9 °C (-6.6), 2016
Humidity Range 50% 39% 53%, 2018 13%, 2016
Pressure Range 4 hPa 5 hPa 14 hPa, 2014 2 hPa, 2011
Measure Value [% of max] Month cumul. Record High Record Low
Sun Hours 10.2 [74%]61 hrs (102%) [44%] 13 [94%], 2017 0 [0%], 2012
Wet Hours 02.8 hrs (22%) [1.2%] 9, 2016 0, 2009
Cloud Cover not available
Events None
Comments -
Extra Comments
Issues Tmax corrected as unreliable
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