Daily Report for 29th June 2009

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Measure Value (anomaly) Time Month cumul. Record High Record Low
Minimum Temperature 15.8 °C (+3.9) 05:49 11.4 °C (+0.3) 17.3 °C (+5.4), 2010 10.0 °C (-1.9), 2014
Maximum Temperature 27.7 °C (+6.3) 13:48 21.1 °C (+0.9) 28.1 °C (+6.7), 2010 16.8 °C (-4.6), 2016
Mean Temperature 21.3 °C (+5.1) 15.9 °C (+0.6) 21.8 °C, 2010 14.5 °C, 2014
Minimum Humidity 44% 16:55 48% 68%, 2016 33%, 2015
Maximum Humidity 96% 06:05 87% 96%, 2009 74%, 2010
Mean Humidity 70% 69% 81%, 2016 53%, 2010
Minimum Pressure 1017 hPa 10:02 1015 hPa 1020 hPa, 2015 994 hPa, 2017
Maximum Pressure 1020 hPa 17:01 1019 hPa 1025 hPa, 2018 999 hPa, 2017
Mean Pressure 1018 hPa 1017 hPa 1023 hPa, 2013 996 hPa, 2017
Mean Wind Speed n/a (-4.4) 0.0 mph (-4.4) 11.2, 2016 2.9, 2014
Maximum Wind Speed n/a 0.0 mph 23.1, 2016 8.8, 2017
Maximum Gust n/a 0.0 mph 38.7, 2016 13.6, 2017
Mean Wind Direction n/a
Rainfall 0.0 mm 70.6 mm (133%) 0.9 mm, 2014
Maximum Hourly Rain n/a 0.5, 2016
Maximum 10-min Rain n/a 0.4, 2014
Maximum Rain Rate n/a 1.5, 2014
Minimum Dew Point 11.0 °C 19:50 6.9 °C 11.0 °C, 2009 4.9 °C, 2011
Maximum Dew Point 17.3 °C 10:17 12.5 °C 17.3 °C, 2009 10.5 °C, 2011
Mean Dew Point 14.9 °C 9.7 °C 14.9 °C, 2009 6.6 °C, 2011
Measure Value Time Month cumul. Record High Record Low
Night Minimum (21-09) 15.8 °C 11.5 °C 17.3 °C, 2010 10.4 °C, 2011
Day Maximum (09-21) 27.7 °C 21.1 °C 28.1 °C, 2010 16.8 °C, 2016
Max 10m Temp Rise 0.8 °C 10:04 0.8 °C 0.8 °C, 2009 0.4 °C, 2017
Max 1hr Temp Rise 3.0 °C 10:24 2.5 °C 3.0 °C, 2009 1.4 °C, 2017
Max 1hr Hum Rise 10% 21:49 9% 16%, 2018 4%, 2011
Max 10m Temp Fall 0.6 °C 18:34 0.6 °C 0.9 °C, 2014 0.2 °C, 2017
Max 1hr Temp Fall 1.8 °C 18:58 1.8 °C 3.0 °C, 2018 0.7 °C, 2017
Max 1hr Hum Fall 13% 13:27 12% 19%, 2012 6%, 2017
Max 10m Wind Speed n/a 0.0 mph 18.9, 2016 6.5, 2017
Minimum Feels-like n/a 0.0 °C 18.5, 2010 10.2, 2014
Maximum Feels-like n/a 0.0 °C 32.4, 2010 19.1, 2016
Mean Feels-like n/a 0.0 °C 24.0, 2010 15.6, 2014
Air-frost Hrs 0 hrs 0 hrs 0 hrs, 2009 0 hrs, 2009
Measure Value (anomaly) Month cumul. Record High Record Low
Temperature Range 11.9 °C (+2.4) 9.7 °C (+0.6) 15.1 °C (+5.6), 2018 5.3 °C (-4.2), 2016
Humidity Range 52% 39% 56%, 2018 18%, 2016
Pressure Range 3 hPa 5 hPa 6 hPa, 2011 2 hPa, 2010
Measure Value [% of max] Month cumul. Record High Record Low
Sun Hours 10.5 [70%]177 hrs (96%) [41%] 14 [93%], 2018 0.1 [1%], 2017
Wet Hours 037 hrs (102%) [5.3%] 2, 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 time of the extremum (if the value persisted for >1 minute).
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; their reliablity is questionable and they are provided for interest only.
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