Daily Report for 25th December 2016

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Measure Value (anomaly) Time Month cumul. Record High Record Low
Minimum Temperature 9.9 °C (+7.0) 03:44 5.7 °C (+2.5) 9.9 °C (+7.0), 2016 -2.8 °C (-5.7), 2010
Maximum Temperature 13.3 °C (+6.0) 15:30 10.6 °C (+2.6) 14.5 °C (+7.2), 2015 -0.2 °C (-7.5), 2010
Mean Temperature 11.8 °C (+6.5) 8.4 °C (+2.6) 11.8 °C, 2016 -1.5 °C, 2010
Minimum Humidity 73% 00:45 72% 93%, 2009 67%, 2014
Maximum Humidity 81% 12:34 81% 98%, 2009 81%, 2016
Mean Humidity 78% 78% 97%, 2009 78%, 2014
Minimum Pressure 1021 hPa 19:31 1022 hPa 1027 hPa, 2011 980 hPa, 2013
Maximum Pressure 1024 hPa 06:01 1028 hPa 1032 hPa, 2014 988 hPa, 2013
Mean Pressure 1023 hPa 1025 hPa 1029 hPa, 2011 984 hPa, 2013
Mean Wind Speed 9.2 mph (+4.1) 3.5 mph (-1.6) 9.2 mph, 2016 3.2 mph, 2010
Maximum Wind Speed 19.7 mph 14:11 10.0 mph 19.7 mph, 2016 9.4 mph, 2010
Maximum Gust 26.2 mph 03:25 14.7 mph 27.9 mph, 2015 12.3 mph, 2010
Mean Wind Direction WSW
Rainfall 0.0 mm 9.4 mm (21%) 12.6 mm, 2012
Maximum Hourly Rain n/a 3.7, 2012
Maximum 10-min Rain n/a 1.7, 2012
Maximum Rain Rate n/a 24, 2012
Minimum Dew Point 5.6 °C 00:09 2.0 °C 6.0 °C, 2011 -4.8 °C, 2010
Maximum Dew Point 10.0 °C 14:29 6.8 °C 12.4 °C, 2015 -1.7 °C, 2010
Mean Dew Point 8.2 °C 4.7 °C 8.2 °C, 2016 -2.9 °C, 2010
Measure Value Time Month cumul. Record High Record Low
Night Minimum (21-09) * 9.5 °C * 21:09 6.1 °C 9.5 °C, 2016 -2.4 °C, 2010
Day Maximum (09-21) 13.3 °C 15:30 10.5 °C 14.3 °C, 2015 -0.7 °C, 2010
Max 10m Temp Rise 0.2 °C 11:11 0.4 °C 0.8 °C, 2013 0.1 °C, 2011
Max 1hr Temp Rise 0.8 °C 11:20 1.2 °C 1.8 °C, 2013 0.5 °C, 2010
Max 1hr Hum Rise 2% 02:29 3% 5%, 2013 2%, 2009
Max 10m Temp Fall 0.2 °C 15:54 0.3 °C 0.4 °C, 2013 0.2 °C, 2009
Max 1hr Temp Fall 0.5 °C 16:41 1.0 °C 1.4 °C, 2013 0.4 °C, 2015
Max 1hr Hum Fall 2% 15:27 4% 10%, 2014 2%, 2010
Max 10m Wind Speed 13.7 mph 14:20 7.6 mph 13.8 mph, 2015 6.2 mph, 2010
Minimum Feels-like 6.2 °C 03:33 3.6 °C 6.2 °C, 2016 -6.6 °C, 2010
Maximum Feels-like 14.5 °C 15:16 10.9 °C 17.0 °C, 2015 -0.4 °C, 2010
Mean Feels-like 12.3 °C 7.9 °C 12.3 °C, 2016 -3.3 °C, 2010
Air-frost Hrs 0 hrs 0.2 hrs 24 hrs, 2010 0 hrs, 2009
Measure Value (anomaly) Month cumul. Record High Record Low
Temperature Range 3.4 °C (-1.0) 4.8 °C (+0.1) 8.6 °C (+4.2), 2015 2.6 °C (-1.8), 2010
Humidity Range 8% 9% 20%, 2015 5%, 2009
Pressure Range 3 hPa 5 hPa 15 hPa, 2009 3 hPa, 2016
Measure Value [% of max] Month cumul. Record High Record Low
Sun Hours 0.1 [1%]41 hrs (106%) [23%] 6 [86%], 2014 0 [0%], 2010
Wet Hours 014 hrs (28%) [2.3%] 6, 2012 0, 2010
Cloud Cover Overcast with periods of Mostly Cloudy
Events None
Comments -
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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