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 1033 hPa, 2018 980 hPa, 2013
Maximum Pressure 1024 hPa 06:01 1028 hPa 1036 hPa, 2018 988 hPa, 2013
Mean Pressure 1023 hPa 1025 hPa 1035 hPa, 2018 984 hPa, 2013
Mean Wind Speed 9.2 mph (+4.1) 3.5 mph (-1.6) 10.9 mph, 2017 0.6 mph, 2018
Maximum Wind Speed 19.7 mph 14:11 10.0 mph 25.2 mph, 2017 5.4 mph, 2018
Maximum Gust 26.2 mph 03:25 14.7 mph 43.8 mph, 2017 8.1 mph, 2018
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% 7%, 2017 2%, 2009
Max 10m Temp Fall 0.2 °C 15:54 0.3 °C 0.9 °C, 2017 0.2 °C, 2009
Max 1hr Temp Fall 0.5 °C 16:41 1.0 °C 3.4 °C, 2017 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 19.3 mph, 2017 3.6 mph, 2018
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 24 hPa, 2017 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 of the longest continuous period at that extreme value.
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 (entered with a delay of 1-10 days); 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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