Daily Report for 23rd December 2016

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Measure Value (anomaly) Time Month cumul. Record High Record Low
Minimum Temperature 6.5 °C (+3.6) 01:45 5.5 °C (+2.3) 10.8 °C (+7.9), 2014 -3.9 °C (-6.8), 2009
Maximum Temperature 11.3 °C (+4.0) 12:24 10.5 °C (+2.5) 12.9 °C (+5.6), 2012 1.9 °C (-5.4), 2010
Mean Temperature 9.2 °C (+3.8) 8.3 °C (+2.4) 11.7 °C, 2014 -0.5 °C, 2009
Minimum Humidity 74% 14:36 73% 98%, 2009 63%, 2015
Maximum Humidity 84% 18:56 81% 98%, 2009 76%, 2014
Mean Humidity 80% 78% 98%, 2009 72%, 2014
Minimum Pressure 1018 hPa 18:42 1022 hPa 1030 hPa, 2017 978 hPa, 2013
Maximum Pressure 1032 hPa 02:20 1028 hPa 1037 hPa, 2017 991 hPa, 2009
Mean Pressure 1026 hPa 1025 hPa 1033 hPa, 2017 990 hPa, 2009
Mean Wind Speed 7.7 mph (+2.6) 3.1 mph (-2.0) 12.1 mph, 2013 1.5 mph, 2009
Maximum Wind Speed 20.8 mph 14:53 9.3 mph 31.7 mph, 2013 8.1 mph, 2009
Maximum Gust 32.5 mph 15:50 13.8 mph 47.6 mph, 2013 13.8 mph, 2009
Mean Wind Direction SW
Rainfall 0.9 mm 9.4 mm (23%) 15.2 mm, 2013
Maximum Hourly Rain 0.6 mm 19:34 2.8 mm, 2011
Maximum 10-min Rain 0.2 mm 19:34 1.4 mm, 2011
Maximum Rain Rate 0.8 mm/h 19:21 20 mm/h, 2011
Minimum Dew Point 3.3 °C 00:34 1.9 °C 7.1 °C, 2012 -4.8 °C, 2010
Maximum Dew Point 8.6 °C 19:31 6.7 °C 12.6 °C, 2012 -1.9 °C, 2010
Mean Dew Point 5.9 °C 4.6 °C 9.6 °C, 2012 -3.0 °C, 2010
Measure Value Time Month cumul. Record High Record Low
Night Minimum (21-09) 6.5 °C 01:45 6.0 °C 11.8 °C, 2012 -3.9 °C, 2009
Day Maximum (09-21) 11.3 °C 12:24 10.4 °C 12.8 °C, 2014 1.9 °C, 2010
Max 10m Temp Rise 0.3 °C 07:00 0.4 °C 0.4 °C, 2009 0.1 °C, 2011
Max 1hr Temp Rise 1.3 °C 07:34 1.2 °C 1.5 °C, 2009 0.3 °C, 2012
Max 1hr Hum Rise 4% 16:53 3% 9%, 2011 0%, 2009
Max 10m Temp Fall 0.2 °C 20:43 0.3 °C 0.8 °C, 2009 0.1 °C, 2012
Max 1hr Temp Fall 1.1 °C 21:23 1.0 °C 2.1 °C, 2009 0.3 °C, 2013
Max 1hr Hum Fall 4% 20:27 4% 8%, 2014 0%, 2009
Max 10m Wind Speed 16.0 mph 15:02 7.1 mph 23.2 mph, 2013 7.2 mph, 2009
Minimum Feels-like 3.4 °C 04:21 3.6 °C 10.8 °C, 2014 -6.8 °C, 2010
Maximum Feels-like 11.9 °C 19:27 10.8 °C 15.5 °C, 2012 -1.0 °C, 2010
Mean Feels-like 8.3 °C 7.8 °C 12.4 °C, 2012 -3.5 °C, 2010
Air-frost Hrs 0 hrs 0.2 hrs 13 hrs, 2009 0 hrs, 2011
Measure Value (anomaly) Month cumul. Record High Record Low
Temperature Range 4.8 °C (+0.4) 4.9 °C (+0.2) 7.7 °C (+3.3), 2009 2.0 °C (-2.4), 2014
Humidity Range 10% 9% 27%, 2015 0%, 2009
Pressure Range 14 hPa 5 hPa 34 hPa, 2013 2 hPa, 2009
Measure Value [% of max] Month cumul. Record High Record Low
Sun Hours 0 [0%]41 hrs (115%) [25%] 5.3 [76%], 2015 0 [0%], 2010
Wet Hours 2
[Mean rain rate: 0.5 mm/h]
14 hrs (30%) [2.5%] 13, 2013 0, 2010
Cloud Cover Overcast
Events None
Comments eve Rain
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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