Daily Report for 8th December 2019

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Measure Value (anomaly) Time Month cumul. Record High Record Low
Minimum Temperature 6.5 °C (+3.0) 22:21 3.2 °C (-0.3) 10.7 °C (+7.2), 2016 -1.5 °C (-5.0), 2010
Maximum Temperature 11.2 °C (+2.8) 05:22 9.1 °C (+0.5) 13.5 °C (+5.1), 2015 2.0 °C (-6.4), 2010
Mean Temperature 9.1 °C (+2.9) 6.1 °C (+0.1) 12.1 °C, 2016 0.0 °C, 2010
Minimum Humidity 67% 14:10 77% 83%, 2009 62%, 2014
Maximum Humidity 94% 05:09 94% 98%, 2009 79%, 2016
Mean Humidity 81% 87% 91%, 2009 76%, 2014
Minimum Pressure 992 hPa 23:54 1013 hPa 1024 hPa, 2013 992 hPa, 2019
Maximum Pressure 1006 hPa 00:00 1022 hPa 1030 hPa, 2015 1006 hPa, 2019
Mean Pressure 1000 hPa 1018 hPa 1026 hPa, 2016 1000 hPa, 2019
Mean Wind Speed 11.1 mph (+6.0) 5.8 mph (+0.7) 11.1 mph, 2019 3.5 mph, 2012
Maximum Wind Speed 21.3 mph 15:18 14.3 mph 22.5 mph, 2011 9.8 mph, 2012
Maximum Gust 33.4 mph 15:18 22.4 mph 36.5 mph, 2011 14.5 mph, 2012
Mean Wind Direction SW
Rainfall 2.4 mm 9.4 mm (65%) 2.6 mm, 2015
Maximum Hourly Rain 1.8 mm 02:27 1.8 mm, 2019
Maximum 10-min Rain 0.7 mm 02:01 0.8 mm, 2015
Maximum Rain Rate 4.4 mm/h 02:01 11 mm/h, 2015
Minimum Dew Point 3.0 °C 21:02 1.4 °C 7.0 °C, 2016 -5.6 °C, 2010
Maximum Dew Point 10.3 °C 05:24 6.8 °C 11.8 °C, 2015 0.7 °C, 2017
Mean Dew Point 5.9 °C 4.0 °C 8.4 °C, 2016 -1.4 °C, 2010
Measure Value Time Month cumul. Record High Record Low
Night Minimum (21-09) * 9.5 °C * 08:19 4.0 °C 11.6 °C, 2015 -1.5 °C, 2010
Day Maximum (09-21) * 10.5 °C * 13:39 8.9 °C 13.5 °C, 2015 2.0 °C, 2010
Max 10m Temp Rise 0.2 °C 04:09 0.4 °C 1.0 °C, 2011 0.2 °C, 2009
Max 1hr Temp Rise 0.6 °C 04:09 1.2 °C 2.3 °C, 2013 0.6 °C, 2019
Max 1hr Hum Rise 8% 16:30 5% 8%, 2019 1%, 2016
Max 10m Temp Fall 0.4 °C 15:33 0.3 °C 0.4 °C, 2019 0.1 °C, 2009
Max 1hr Temp Fall 1.9 °C 16:24 1.2 °C 1.9 °C, 2019 0.5 °C, 2009
Max 1hr Hum Fall 12% 06:11 6% 13%, 2014 1%, 2016
Max 10m Wind Speed 16.6 mph 12:16 10.8 mph 16.6 mph, 2019 6.7 mph, 2009
Minimum Feels-like 1.3 °C 21:45 -1.0 °C 10.7 °C, 2016 -7.5 °C, 2010
Maximum Feels-like 12.6 °C 05:10 9.4 °C 15.6 °C, 2015 1.7 °C, 2017
Mean Feels-like 7.3 °C 4.5 °C 12.7 °C, 2016 -3.9 °C, 2010
Air-frost Hrs 0 hrs 0 hrs 13 hrs, 2010 0 hrs, 2009
Measure Value (anomaly) Month cumul. Record High Record Low
Temperature Range 4.7 °C (-0.3) 5.9 °C (+0.8) 8.9 °C (+3.9), 2011 2.4 °C (-2.6), 2016
Humidity Range 27% 17% 27%, 2019 2%, 2016
Pressure Range 14 hPa 9 hPa 19 hPa, 2011 3 hPa, 2013
Measure Value [% of max] Month cumul. Record High Record Low
Sun Hours 2 [28%]26 hrs (202%) [44%] 5.5 [77%], 2014 0 [0%], 2011
Wet Hours 3
[Mean rain rate: 0.8 mm/h]
13 hrs (81%) [6.8%] 5, 2015 0, 2010
Cloud Cover Partly Cloudy
Events None
Comments o.night rn
Extra Comments
Issues None known
Observer Absent? Yes - observations may be unreliable
Pond Temperature (Heath) 4.5 °C
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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