Daily Report for 23rd June 2009

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Measure Value (anomaly) Time Month cumul. Record High Record Low
Minimum Temperature 13.2 °C (+1.7) 04:35 10.7 °C (-0.2) 18.2 °C (+6.7), 2016 10.9 °C (-0.6), 2012
Maximum Temperature 24.2 °C (+3.3) 15:27 20.0 °C (+0.1) 28.3 °C (+7.4), 2010 17.2 °C (-3.7), 2013
Mean Temperature 18.2 °C (+2.5) 15.1 °C (-0.0) 20.9 °C, 2010 14.9 °C, 2013
Minimum Humidity 31% 16:34 48% 85%, 2016 24%, 2018
Maximum Humidity 75% 02:21 86% 91%, 2016 69%, 2010
Mean Humidity 55% 68% 88%, 2016 50%, 2010
Minimum Pressure 1026 hPa 19:19 1015 hPa 1027 hPa, 2018 1005 hPa, 2013
Maximum Pressure 1030 hPa 11:39 1019 hPa 1031 hPa, 2018 1016 hPa, 2013
Mean Pressure 1028 hPa 1017 hPa 1029 hPa, 2018 1009 hPa, 2013
Mean Wind Speed n/a (-4.4) 0.0 mph (-4.4) 7.9, 2013 0.7, 2014
Maximum Wind Speed n/a 0.0 mph 17, 2013 7.4, 2014
Maximum Gust n/a 0.0 mph 25.9, 2013 10.2, 2014
Mean Wind Direction n/a
Rainfall 0.0 mm 34.7 mm (82%) 30.4 mm, 2016
Maximum Hourly Rain n/a 11.5, 2016
Maximum 10-min Rain n/a 4.1, 2016
Maximum Rain Rate n/a 102, 2016
Minimum Dew Point 4.4 °C 21:37 6.0 °C 15.1 °C, 2016 0.6 °C, 2018
Maximum Dew Point 11.3 °C 12:53 11.5 °C 19.2 °C, 2016 8.4 °C, 2015
Mean Dew Point 8.2 °C 8.7 °C 17.5 °C, 2016 7.3 °C, 2018
Measure Value Time Month cumul. Record High Record Low
Night Minimum (21-09) 13.2 °C 10.9 °C 18.5 °C, 2016 10.9 °C, 2012
Day Maximum (09-21) 24.2 °C 20.0 °C 28.3 °C, 2010 17.2 °C, 2013
Max 10m Temp Rise 0.7 °C 10:06 0.8 °C 1.5 °C, 2016 0.5 °C, 2010
Max 1hr Temp Rise 2.9 °C 13:16 2.4 °C 2.9 °C, 2009 1.4 °C, 2013
Max 1hr Hum Rise 9% 22:35 8% 17%, 2013 6%, 2010
Max 10m Temp Fall 0.5 °C 18:24 0.5 °C 0.7 °C, 2012 0.3 °C, 2017
Max 1hr Temp Fall 2.2 °C 20:03 1.7 °C 2.6 °C, 2013 1.3 °C, 2016
Max 1hr Hum Fall 11% 10:26 12% 20%, 2018 6%, 2016
Max 10m Wind Speed n/a 0.0 mph 12.8, 2013 4.5, 2014
Minimum Feels-like n/a 0.0 °C 22.9, 2016 10.9, 2015
Maximum Feels-like n/a 0.0 °C 30.4, 2010 18, 2013
Mean Feels-like n/a 0.0 °C 25.3, 2016 15.5, 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 11.0 °C (+1.6) 9.2 °C (+0.2) 14.5 °C (+5.1), 2010 3.3 °C (-6.1), 2016
Humidity Range 44% 38% 60%, 2018 6%, 2016
Pressure Range 4 hPa 5 hPa 11 hPa, 2013 3 hPa, 2017
Measure Value [% of max] Month cumul. Record High Record Low
Sun Hours 12 [79%]131 hrs (89%) [38%] 14.5 [96%], 2010 0.1 [1%], 2016
Wet Hours 033 hrs (117%) [6%] 12, 2016 0, 2009
Cloud Cover not available
Events None
Comments -
Extra Comments
Issues Tmax corrected as unreliable
Observer Absent? No
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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