Daily Report for 21st February 2017

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Measure Value (anomaly) Time Month cumul. Record High Record Low
Minimum Temperature 10.5 °C (+8.3) 06:57 4.8 °C (+2.7) 11.4 °C (+9.2), 2016 -1.2 °C (-3.4), 2010
Maximum Temperature 13.4 °C (+5.7) 14:35 9.2 °C (+1.8) 14.5 °C (+6.8), 2016 1.8 °C (-6.0), 2013
Mean Temperature 11.8 °C (+7.0) 6.9 °C (+2.3) 12.8 °C, 2016 1.2 °C, 2013
Minimum Humidity 77% 21:52 71% 84%, 2011 49%, 2014
Maximum Humidity 86% 06:55 85% 98%, 2010 63%, 2013
Mean Humidity 81% 80% 92%, 2010 55%, 2013
Minimum Pressure 1010 hPa 23:50 1014 hPa 1030 hPa, 2009 991 hPa, 2010
Maximum Pressure 1018 hPa 06:21 1020 hPa 1033 hPa, 2009 998 hPa, 2010
Mean Pressure 1016 hPa 1017 hPa 1032 hPa, 2009 994 hPa, 2010
Mean Wind Speed 6.8 mph (+1.7) 4.3 mph (-0.8) 12.4 mph, 2016 2.7 mph, 2010
Maximum Wind Speed 19.2 mph 23:50 11.1 mph 22.7 mph, 2016 9.4 mph, 2011
Maximum Gust 27.3 mph 23:50 17.0 mph 36.7 mph, 2016 13.5 mph, 2010
Mean Wind Direction W
Rainfall 0.0 mm 17.5 mm (58%) 4.4 mm, 2010
Maximum Hourly Rain n/a 1.9, 2010
Maximum 10-min Rain n/a 0.8, 2010
Maximum Rain Rate n/a 16, 2010
Minimum Dew Point 7.8 °C 23:19 1.6 °C 9.1 °C, 2016 -8.4 °C, 2013
Maximum Dew Point 9.9 °C 13:08 5.6 °C 11.0 °C, 2016 -4.5 °C, 2013
Mean Dew Point 8.7 °C 3.6 °C 9.9 °C, 2016 -6.9 °C, 2013
Measure Value Time Month cumul. Record High Record Low
Night Minimum (21-09) 10.5 °C 06:57 5.1 °C 11.4 °C, 2016 -1.2 °C, 2010
Day Maximum (09-21) 13.4 °C 14:35 9.1 °C 14.5 °C, 2016 1.7 °C, 2013
Max 10m Temp Rise 0.2 °C 10:39 0.3 °C 0.9 °C, 2009 0.1 °C, 2013
Max 1hr Temp Rise 0.8 °C 11:04 1.2 °C 2.3 °C, 2009 0.2 °C, 2013
Max 1hr Hum Rise 2% 04:06 4% 9%, 2009 2%, 2017
Max 10m Temp Fall 0.1 °C 00:26 0.3 °C 0.9 °C, 2009 0.1 °C, 2011
Max 1hr Temp Fall 0.4 °C 20:57 0.9 °C 2.0 °C, 2009 0.4 °C, 2011
Max 1hr Hum Fall 2% 09:35 6% 15%, 2015 2%, 2011
Max 10m Wind Speed 13.6 mph 22:36 8.6 mph 17.6 mph, 2016 6.6 mph, 2011
Minimum Feels-like 11.0 °C 06:28 1.9 °C 12.3 °C, 2016 -6.1 °C, 2013
Maximum Feels-like 14.6 °C 14:08 9.2 °C 16.2 °C, 2016 0.2 °C, 2013
Mean Feels-like 12.6 °C 5.5 °C 14.0 °C, 2016 -3.2 °C, 2013
Air-frost Hrs 0 hrs 0 hrs 5 hrs, 2010 0 hrs, 2009
Measure Value (anomaly) Month cumul. Record High Record Low
Temperature Range 2.9 °C (-2.7) 4.4 °C (-0.8) 9.6 °C (+4.0), 2009 1.3 °C (-4.3), 2013
Humidity Range 9% 14% 40%, 2014 9%, 2011
Pressure Range 8 hPa 6 hPa 9 hPa, 2015 2 hPa, 2012
Measure Value [% of max] Month cumul. Record High Record Low
Sun Hours 0 [0%]31 hrs (55%) [17%] 8.6 [93%], 2009 0 [0%], 2011
Wet Hours 055 hrs (141%) [11%] 3, 2010 , 2009
Cloud Cover Overcast
Events None
Comments -
Extra Comments
Issues false tip removed
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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