Daily Report for 12th June 2009

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Measure Value (anomaly) Time Month cumul. Record High Record Low
Minimum Temperature 7.2 °C (-3.6) 05:41 9.4 °C (-1.1) 15.1 °C (+4.3), 2016 7.2 °C (-3.6), 2009
Maximum Temperature 20.6 °C (+0.7) 15:40 18.3 °C (-1.0) 25.1 °C (+5.2), 2015 13.3 °C (-6.6), 2012
Mean Temperature 14.8 °C (-1.4) 13.8 °C (-1.0) 19.1 °C, 2014 11.2 °C, 2012
Minimum Humidity 42% 15:45 52% 72%, 2016 35%, 2014
Maximum Humidity 76% 06:35 87% 98%, 2012 70%, 2017
Mean Humidity 59% 71% 86%, 2012 55%, 2014
Minimum Pressure 1020 hPa 20:04 1011 hPa 1026 hPa, 2014 1003 hPa, 2012
Maximum Pressure 1022 hPa 11:35 1016 hPa 1029 hPa, 2014 1010 hPa, 2016
Mean Pressure 1021 hPa 1014 hPa 1028 hPa, 2014 1007 hPa, 2016
Mean Wind Speed n/a (-4.4) 0.0 mph (-4.4) 7.9, 2013 0.9, 2014
Maximum Wind Speed n/a 0.0 mph 15.6, 2011 5.6, 2014
Maximum Gust n/a 0.0 mph 23.7, 2013 8.7, 2014
Mean Wind Direction n/a
Rainfall 0.0 mm 32.3 mm (147%) 7.1 mm, 2011
Maximum Hourly Rain n/a 2.5, 2011
Maximum 10-min Rain n/a 0.8, 2011
Maximum Rain Rate n/a 8, 2011
Minimum Dew Point 2.9 °C 05:07 5.4 °C 11.8 °C, 2016 2.9 °C, 2009
Maximum Dew Point 10.7 °C 23:36 11.1 °C 16.1 °C, 2016 9.8 °C, 2017
Mean Dew Point 6.6 °C 8.2 °C 13.6 °C, 2016 6.6 °C, 2009
Measure Value Time Month cumul. Record High Record Low
Night Minimum (21-09) 7.2 °C 9.7 °C 15.1 °C, 2016 7.2 °C, 2009
Day Maximum (09-21) 20.6 °C 18.3 °C 25.1 °C, 2015 13.3 °C, 2012
Max 10m Temp Rise 0.6 °C 15:31 0.7 °C 0.7 °C, 2011 0.3 °C, 2013
Max 1hr Temp Rise 2.4 °C 09:42 2.3 °C 3.6 °C, 2011 1.2 °C, 2013
Max 1hr Hum Rise 9% 21:51 7% 12%, 2011 3%, 2012
Max 10m Temp Fall 0.5 °C 00:29 0.5 °C 0.6 °C, 2014 0.3 °C, 2012
Max 1hr Temp Fall 2.0 °C 01:02 1.6 °C 2.5 °C, 2014 0.6 °C, 2012
Max 1hr Hum Fall 9% 10:23 10% 13%, 2018 5%, 2016
Max 10m Wind Speed n/a 0.0 mph 11.5, 2013 3.6, 2014
Minimum Feels-like n/a 0.0 °C 17.3, 2016 7.2, 2011
Maximum Feels-like n/a 0.0 °C 28.4, 2015 14.4, 2012
Mean Feels-like n/a 0.0 °C 21.2, 2015 12.0, 2012
Air-frost Hrs 0 hrs 0 hrs 0 hrs, 2009 0 hrs, 2009
Measure Value (anomaly) Month cumul. Record High Record Low
Temperature Range 13.4 °C (+4.4) 8.9 °C (+0.2) 13.4 °C (+4.4), 2009 2.5 °C (-6.5), 2013
Humidity Range 34% 34% 46%, 2014 15%, 2016
Pressure Range 2 hPa 5 hPa 13 hPa, 2012 2 hPa, 2009
Measure Value [% of max] Month cumul. Record High Record Low
Sun Hours 4.5 [30%]62 hrs (81%) [34%] 13 [86%], 2014 0 [0%], 2012
Wet Hours 030 hrs (203%) [10%] 8, 2011 0, 2009
Cloud Cover not available
Events None
Comments -
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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