Daily Report for 28th June 2009

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Measure Value (anomaly) Time Month cumul. Record High Record Low
Minimum Temperature 13.8 °C (+1.9) 05:17 11.2 °C (+0.1) 16.4 °C (+4.5), 2015 11.1 °C (-0.8), 2016
Maximum Temperature 22.6 °C (+1.2) 13:35 20.8 °C (+0.7) 29.8 °C (+8.4), 2010 16.2 °C (-5.2), 2017
Mean Temperature 17.8 °C (+1.6) 15.7 °C (+0.4) 22.5 °C, 2010 14.8 °C, 2017
Minimum Humidity 69% 14:37 48% 78%, 2017 28%, 2010
Maximum Humidity 97% 07:54 86% 97%, 2009 71%, 2010
Mean Humidity 88% 69% 88%, 2009 47%, 2010
Minimum Pressure 1015 hPa 11:40 1015 hPa 1018 hPa, 2010 997 hPa, 2017
Maximum Pressure 1017 hPa 12:10 1019 hPa 1023 hPa, 2013 1003 hPa, 2017
Mean Pressure 1016 hPa 1017 hPa 1020 hPa, 2013 998 hPa, 2017
Mean Wind Speed n/a (-4.4) 0.0 mph (-4.4) 5.6, 2012 3.1, 2011
Maximum Wind Speed n/a 0.0 mph 19, 2012 7.9, 2017
Maximum Gust n/a 0.0 mph 27.4, 2016 12.5, 2014
Mean Wind Direction n/a
Rainfall trace 70.6 mm (138%) 8.5, 2011
Maximum Hourly Rain n/a 6.3, 2011
Maximum 10-min Rain n/a 3, 2011
Maximum Rain Rate n/a 40, 2011
Minimum Dew Point 13.2 °C 02:53 6.8 °C 13.2 °C, 2009 5.1 °C, 2016
Maximum Dew Point 19.8 °C 12:48 12.4 °C 19.9 °C, 2012 11.8 °C, 2016
Mean Dew Point 15.7 °C 9.5 °C 15.7 °C, 2009 8.4 °C, 2016
Measure Value Time Month cumul. Record High Record Low
Night Minimum (21-09) 13.8 °C 11.3 °C 18.5 °C, 2011 11.1 °C, 2016
Day Maximum (09-21) 22.6 °C 20.8 °C 29.8 °C, 2010 16.2 °C, 2017
Max 10m Temp Rise 1.1 °C 10:07 0.8 °C 1.1 °C, 2009 0.2 °C, 2017
Max 1hr Temp Rise 2.3 °C 13:26 2.5 °C 2.9 °C, 2016 0.5 °C, 2017
Max 1hr Hum Rise 6% 23:20 9% 20%, 2016 1%, 2017
Max 10m Temp Fall 0.4 °C 13:50 0.6 °C 0.7 °C, 2014 0.2 °C, 2017
Max 1hr Temp Fall 1.2 °C 15:14 1.9 °C 2.9 °C, 2016 0.6 °C, 2017
Max 1hr Hum Fall 20% 13:46 12% 20%, 2009 3%, 2017
Max 10m Wind Speed n/a 0.0 mph 13.4, 2016 5.6, 2011
Minimum Feels-like n/a 0.0 °C 17.2, 2010 11.1, 2016
Maximum Feels-like n/a 0.0 °C 35.2, 2012 19.4, 2017
Mean Feels-like n/a 0.0 °C 26.4, 2012 16.4, 2016
Air-frost Hrs 0 hrs 0 hrs 0 hrs, 2009 0 hrs, 2009
Measure Value (anomaly) Month cumul. Record High Record Low
Temperature Range 8.8 °C (-0.7) 9.6 °C (+0.5) 14.0 °C (+4.5), 2010 3.5 °C (-6.0), 2017
Humidity Range 28% 38% 54%, 2012 10%, 2017
Pressure Range 2 hPa 5 hPa 14 hPa, 2016 2 hPa, 2009
Measure Value [% of max] Month cumul. Record High Record Low
Sun Hours 7.5 [50%]167 hrs (94%) [40%] 14.5 [96%], 2010 0 [0%], 2017
Wet Hours 0.337 hrs (106%) [5.4%] 7, 2017 0, 2010
Cloud Cover not available
Events None
Comments 15-16 SLight Showers
Extra Comments
Issues None known
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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