Daily Report for 23rd February 2017

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Measure Value (anomaly) Time Month cumul. Record High Record Low
Minimum Temperature 5.2 °C (+2.8) 23:32 5.1 °C (+2.9) 9.9 °C (+7.5), 2012 -0.3 °C (-2.7), 2013
Maximum Temperature 11.1 °C (+3.0) 08:06 9.4 °C (+2.0) 16.0 °C (+7.9), 2012 1.7 °C (-6.4), 2013
Mean Temperature 9.4 °C (+2.9) 7.2 °C (+2.5) 12.9 °C, 2012 0.7 °C, 2013
Minimum Humidity 47% 15:09 70% 84%, 2010 47%, 2017
Maximum Humidity 86% 00:14 85% 98%, 2010 76%, 2013
Mean Humidity 67% 79% 94%, 2010 66%, 2013
Minimum Pressure 990 hPa 13:01 1012 hPa 1024 hPa, 2009 990 hPa, 2015
Maximum Pressure 1007 hPa 00:00 1019 hPa 1027 hPa, 2012 992 hPa, 2015
Mean Pressure 997 hPa 1015 hPa 1025 hPa, 2009 990 hPa, 2015
Mean Wind Speed 12.9 mph (+7.8) 4.9 mph (-0.2) 12.9 mph, 2017 3.1 mph, 2016
Maximum Wind Speed 27.4 mph 15:57 12.0 mph 27.4 mph, 2017 9.1 mph, 2016
Maximum Gust 46.1 mph 14:16 18.8 mph 46.1 mph, 2017 15.7 mph, 2016
Mean Wind Direction W
Rainfall 3.0 mm 21.0 mm (64%) 3.5 mm, 2011
Maximum Hourly Rain 2.6 mm 08:24 2.6 mm, 2017
Maximum 10-min Rain 2.6 mm 08:24 2.6 mm, 2017
Maximum Rain Rate 48 mm/h 08:23 48 mm/h, 2017
Minimum Dew Point -1.0 °C 16:09 1.8 °C 7.9 °C, 2012 -7.0 °C, 2013
Maximum Dew Point 8.7 °C 00:27 5.9 °C 11.5 °C, 2012 -2.9 °C, 2013
Mean Dew Point 3.3 °C 3.8 °C 10.2 °C, 2012 -5.0 °C, 2013
Measure Value Time Month cumul. Record High Record Low
Night Minimum (21-09) * 9.7 °C * 08:54 5.5 °C 9.7 °C, 2017 -0.3 °C, 2013
Day Maximum (09-21) * 10.9 °C * 13:33 9.4 °C 16.0 °C, 2012 1.7 °C, 2013
Max 10m Temp Rise 0.3 °C 09:28 0.3 °C 0.6 °C, 2009 0.2 °C, 2010
Max 1hr Temp Rise 0.6 °C 13:26 1.1 °C 1.6 °C, 2016 0.6 °C, 2010
Max 1hr Hum Rise 6% 18:23 4% 11%, 2013 4%, 2010
Max 10m Temp Fall 0.8 °C 08:34 0.3 °C 0.9 °C, 2009 0.1 °C, 2011
Max 1hr Temp Fall 1.4 °C 08:52 0.9 °C 2.0 °C, 2016 0.4 °C, 2011
Max 1hr Hum Fall 12% 09:27 6% 14%, 2015 4%, 2011
Max 10m Wind Speed 22.0 mph 13:24 9.4 mph 22.0 mph, 2017 7.3 mph, 2016
Minimum Feels-like 0.6 °C 23:41 2.2 °C 7.1 °C, 2012 -5.6 °C, 2013
Maximum Feels-like 11.7 °C 00:27 9.6 °C 17.8 °C, 2012 -0.5 °C, 2013
Mean Feels-like 8.2 °C 6.0 °C 14.2 °C, 2012 -3.2 °C, 2013
Air-frost Hrs 0 hrs 0 hrs 5 hrs, 2013 0 hrs, 2009
Measure Value (anomaly) Month cumul. Record High Record Low
Temperature Range 5.9 °C (+0.2) 4.4 °C (-0.9) 8.1 °C (+2.4), 2016 2.0 °C (-3.7), 2013
Humidity Range 39% 16% 40%, 2015 14%, 2010
Pressure Range 17 hPa 7 hPa 17 hPa, 2017 2 hPa, 2009
Measure Value [% of max] Month cumul. Record High Record Low
Sun Hours 1 [11%]32 hrs (52%) [16%] 7 [75%], 2012 0 [0%], 2010
Wet Hours 1
[Mean rain rate: 3.0 mm/h]
58 hrs (136%) [11%] 5, 2011 , 2009
Cloud Cover Mostly Cloudy with periods of Partly Cloudy
Events None
Comments am Showers
Extra Comments
Issues None known
Observer Absent? Yes - observations may be unreliable
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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Daily Graph of Conditions

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Webcam Summary of Cloud Conditions

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