Daily Report for 4th December 2018

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Measure Value (anomaly) Time Month cumul. Record High Record Low
Minimum Temperature 2.1 °C (-1.5) 08:12 6.3 °C (+2.7) 6.1 °C (+2.5), 2015 0.5 °C (-3.1), 2012
Maximum Temperature 7.6 °C (-1.2) 20:13 12.2 °C (+3.3) 12.8 °C (+4.0), 2015 5.9 °C (-2.9), 2010
Mean Temperature 5.3 °C (-1.3) 9.9 °C (+3.0) 10.0 °C, 2015 3.9 °C, 2012
Minimum Humidity 80% 20:27 80% 85%, 2010 51%, 2016
Maximum Humidity 95% 09:14 94% 97%, 2009 78%, 2016
Mean Humidity 88% 88% 93%, 2010 69%, 2016
Minimum Pressure 1013 hPa 00:06 1001 hPa 1030 hPa, 2017 996 hPa, 2011
Maximum Pressure 1024 hPa 17:29 1012 hPa 1036 hPa, 2017 1004 hPa, 2011
Mean Pressure 1021 hPa 1006 hPa 1033 hPa, 2017 1000 hPa, 2011
Mean Wind Speed 1.5 mph (-3.6) 5.4 mph (+0.3) 8.3 mph, 2015 1.5 mph, 2018
Maximum Wind Speed 7.8 mph 20:04 13.8 mph 23.7 mph, 2015 7.8 mph, 2018
Maximum Gust 12.7 mph 20:05 23.6 mph 36.7 mph, 2015 11.3 mph, 2009
Mean Wind Direction SW
Rainfall 1.2 mm 9.0 mm (125%) 1.6 mm, 2009
Maximum Hourly Rain 0.8 mm 23:04 0.8 mm, 2018
Maximum 10-min Rain 0.2 mm 22:41 0.3 mm, 2010
Maximum Rain Rate 0.8 mm/h 22:22 0.8 mm/h, 2018
Minimum Dew Point 1.1 °C 06:18 4.7 °C 2.8 °C, 2015 -3.1 °C, 2016
Maximum Dew Point 4.9 °C 22:36 10.0 °C 10.9 °C, 2015 0.6 °C, 2016
Mean Dew Point 3.5 °C 8.0 °C 6.0 °C, 2015 -1.4 °C, 2016
Measure Value Time Month cumul. Record High Record Low
Night Minimum (21-09) 2.1 °C 08:12 7.9 °C 7.3 °C, 2011 -1.4 °C, 2010
Day Maximum (09-21) 7.6 °C 20:12 12.2 °C 12.3 °C, 2015 3.7 °C, 2014
Max 10m Temp Rise 0.4 °C 11:40 0.3 °C 1.1 °C, 2009 0.1 °C, 2011
Max 1hr Temp Rise 1.5 °C 12:18 1.0 °C 2.2 °C, 2009 0.2 °C, 2014
Max 1hr Hum Rise 5% 01:01 6% 11%, 2009 4%, 2010
Max 10m Temp Fall 0.4 °C 00:13 0.4 °C 0.6 °C, 2013 0.2 °C, 2010
Max 1hr Temp Fall 1.4 °C 03:42 1.2 °C 2.5 °C, 2015 0.5 °C, 2010
Max 1hr Hum Fall 6% 11:40 6% 14%, 2012 3%, 2010
Max 10m Wind Speed 6.5 mph 20:09 10.3 mph 15.1 mph, 2015 5.9 mph, 2017
Minimum Feels-like -0.9 °C 07:29 4.7 °C 2.1 °C, 2015 -3.8 °C, 2010
Maximum Feels-like 7.3 °C 14:10 13.6 °C 14.5 °C, 2015 4.7 °C, 2014
Mean Feels-like 4.5 °C 10.3 °C 9.1 °C, 2015 1.2 °C, 2012
Air-frost Hrs 0 hrs 0 hrs 0 hrs, 2009 0 hrs, 2009
Measure Value (anomaly) Month cumul. Record High Record Low
Temperature Range 5.5 °C (+0.3) 5.8 °C (+0.6) 6.8 °C (+1.6), 2012 2.6 °C (-2.6), 2014
Humidity Range 15% 14% 28%, 2012 12%, 2010
Pressure Range 12 hPa 11 hPa 17 hPa, 2015 1 hPa, 2012
Measure Value [% of max] Month cumul. Record High Record Low
Sun Hours 3 [41%]4 hrs (63%) [14%] 7 [97%], 2016 0 [0%], 2010
Wet Hours 3
[Mean rain rate: 0.4 mm/h]
13 hrs (162%) [14%] 5, 2014 0, 2012
Cloud Cover unknown
Events None
Comments blr
Extra Comments
Issues None known
Observer Absent? No
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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