Daily Report for 24th December 2017

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Measure Value (anomaly) Time Month cumul. Record High Record Low
Minimum Temperature 8.1 °C (+5.2) 04:27 3.5 °C (+0.2) 8.1 °C (+5.2), 2017 -1.1 °C (-4.0), 2010
Maximum Temperature 10.2 °C (+2.8) 19:39 7.6 °C (-0.5) 12.8 °C (+5.5), 2015 1.3 °C (-6.0), 2010
Mean Temperature 9.2 °C (+4.0) 5.5 °C (-0.1) 10.0 °C, 2015 0.4 °C, 2010
Minimum Humidity 82% 19:18 80% 98%, 2009 53%, 2014
Maximum Humidity 94% 04:33 93% 98%, 2009 80%, 2016
Mean Humidity 89% 88% 98%, 2009 72%, 2014
Minimum Pressure 1018 hPa 23:45 1013 hPa 1024 hPa, 2016 976 hPa, 2013
Maximum Pressure 1030 hPa 01:00 1023 hPa 1032 hPa, 2011 982 hPa, 2013
Mean Pressure 1024 hPa 1018 hPa 1027 hPa, 2011 979 hPa, 2013
Mean Wind Speed 8.3 mph (+3.2) 5.2 mph (+0.1) 9.5 mph, 2015 2.5 mph, 2009
Maximum Wind Speed 16.0 mph 13:30 12.6 mph 32.9 mph, 2013 6.4 mph, 2009
Maximum Gust 26.5 mph 14:08 20.4 mph 52.6 mph, 2013 9.8 mph, 2009
Mean Wind Direction SW
Rainfall 0.0 mm 52.3 mm (121%) 15.2 mm, 2013
Maximum Hourly Rain n/a 3, 2013
Maximum 10-min Rain n/a 2.1, 2013
Maximum Rain Rate n/a 36, 2013
Minimum Dew Point 7.0 °C 04:51 1.6 °C 7.0 °C, 2017 -3.9 °C, 2010
Maximum Dew Point 8.3 °C 20:43 5.7 °C 11.0 °C, 2012 -1.0 °C, 2010
Mean Dew Point 7.5 °C 3.6 °C 8.4 °C, 2012 -2.4 °C, 2010
Measure Value Time Month cumul. Record High Record Low
Night Minimum (21-09) 8.1 °C 04:27 3.9 °C 10.4 °C, 2015 -1.1 °C, 2010
Day Maximum (09-21) 10.2 °C 17:56 7.3 °C 12.8 °C, 2015 1.3 °C, 2010
Max 10m Temp Rise 0.2 °C 11:44 0.3 °C 0.5 °C, 2012 0.1 °C, 2014
Max 1hr Temp Rise 0.6 °C 11:44 1.0 °C 2.3 °C, 2012 0.3 °C, 2014
Max 1hr Hum Rise 7% 20:43 5% 8%, 2013 0%, 2009
Max 10m Temp Fall 0.3 °C 20:48 0.3 °C 1.4 °C, 2013 0.1 °C, 2009
Max 1hr Temp Fall 0.5 °C 20:56 1.0 °C 2.2 °C, 2013 0.5 °C, 2017
Max 1hr Hum Fall 5% 18:13 5% 15%, 2014 0%, 2009
Max 10m Wind Speed 13.2 mph 13:36 9.8 mph 23.8 mph, 2013 5.0 mph, 2009
Minimum Feels-like 4.1 °C 03:09 -1.0 °C 5.5 °C, 2012 -6.0 °C, 2010
Maximum Feels-like 10.6 °C 15:28 7.2 °C 13.5 °C, 2015 0.6 °C, 2010
Mean Feels-like 7.1 °C 3.1 °C 9.3 °C, 2015 -3.1 °C, 2010
Air-frost Hrs 0 hrs 0.9 hrs 4 hrs, 2010 0 hrs, 2009
Measure Value (anomaly) Month cumul. Record High Record Low
Temperature Range 2.1 °C (-2.3) 4.1 °C (-0.7) 7.1 °C (+2.7), 2014 2.1 °C (-2.3), 2017
Humidity Range 12% 14% 39%, 2014 0%, 2009
Pressure Range 12 hPa 10 hPa 15 hPa, 2012 4 hPa, 2009
Measure Value [% of max] Month cumul. Record High Record Low
Sun Hours 0 [0%]47 hrs (127%) [28%] 2.4 [34%], 2014 0 [0%], 2012
Wet Hours 050 hrs (105%) [8.7%] 11, 2012 0, 2010
Cloud Cover Overcast
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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