Daily Report for 13th February 2009

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Measure Value (anomaly) Time Month cumul. Record High Record Low
Minimum Temperature 0.4 °C (-1.5) 23:58 -1.0 °C (-3.2) 5.6 °C (+3.7), 2011 0.4 °C (-1.5), 2009
Maximum Temperature 6.0 °C (-1.2) 13:37 4.1 °C (-3.1) 9.1 °C (+1.9), 2015 3.2 °C (-4.0), 2010
Mean Temperature 3.2 °C (-1.3) 1.5 °C (-3.2) 7.4 °C, 2011 1.7 °C, 2010
Minimum Humidity 63% 15:46 69% 83%, 2016 51%, 2014
Maximum Humidity 98% 02:38 95% 98%, 2009 76%, 2014
Mean Humidity 80% 82% 92%, 2012 65%, 2014
Minimum Pressure 1018 hPa 02:23 997 hPa 1023 hPa, 2012 983 hPa, 2016
Maximum Pressure 1026 hPa 23:07 1007 hPa 1034 hPa, 2012 993 hPa, 2016
Mean Pressure 1022 hPa 1002 hPa 1028 hPa, 2012 986 hPa, 2016
Mean Wind Speed n/a (-5.1) 0.0 mph (-5.1) 7.7, 2014 4.1, 2012
Maximum Wind Speed n/a 0.0 mph 19.2, 2015 12, 2016
Maximum Gust n/a 0.0 mph 26.1, 2014 17, 2016
Mean Wind Direction n/a
Rainfall 3.0 mm 61.5 mm (331%) 4.1 mm, 2015
Maximum Hourly Rain 2.0 mm 02:09 2.0 mm, 2009
Maximum 10-min Rain n/a 01:28 0.5, 2012
Maximum Rain Rate n/a 01:28 2.2, 2015
Minimum Dew Point -1.3 °C 16:20 -3.6 °C 3.3 °C, 2011 -6.2 °C, 2013
Maximum Dew Point 3.3 °C 03:24 1.4 °C 7.1 °C, 2011 0.7 °C, 2010
Mean Dew Point 0.7 °C -0.9 °C 5.4 °C, 2011 -3.0 °C, 2013
Measure Value Time Month cumul. Record High Record Low
Night Minimum (21-09) 0.4 °C -0.9 °C 5.6 °C, 2011 0.4 °C, 2009
Day Maximum (09-21) 6.0 °C 4.1 °C 9.1 °C, 2015 2.5 °C, 2013
Max 10m Temp Rise n/a 16:54 0.3 °C 0.5, 2012 0.1, 2011
Max 1hr Temp Rise n/a 02:56 0.6 °C 1.6, 2017 0.5, 2011
Max 1hr Hum Rise n/a 16:44 5% 9, 2012 3, 2011
Max 10m Temp Fall n/a 16:44 0.4 °C 0.4, 2014 0.1, 2013
Max 1hr Temp Fall n/a 16:44 0.8 °C 1.4, 2017 0.3, 2013
Max 1hr Hum Fall n/a 13:01 5% 15, 2012 3, 2011
Max 10m Wind Speed n/a 0.0 mph 14.5, 2015 7.8, 2010
Minimum Feels-like n/a 0.0 °C 2.2, 2011 -4.8, 2010
Maximum Feels-like n/a 0.0 °C 7.7, 2011 1.1, 2016
Mean Feels-like n/a 0.0 °C 4.8, 2011 -1.5, 2013
Air-frost Hrs 0 hrs 5 hrs 0 hrs, 2009 0 hrs, 2009
Measure Value (anomaly) Month cumul. Record High Record Low
Temperature Range 5.6 °C (+0.3) 5.1 °C (+0.1) 6.6 °C (+1.3), 2015 2.8 °C (-2.5), 2010
Humidity Range 35% 26% 35%, 2009 9%, 2016
Pressure Range 8 hPa 10 hPa 17 hPa, 2015 3 hPa, 2017
Measure Value [% of max] Month cumul. Record High Record Low
Sun Hours 3.8 [43%]40 hrs (120%) [36%] 7 [80%], 2017 0 [0%], 2011
Wet Hours 0 hrs (0%) [0%] 12, 2016 , 2009
Cloud Cover not available
Events None
Comments overnight Rain (some 2100ish sleet)
Extra Comments Final day of lying snow on h
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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