Daily Report for 8th December 2018

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Measure Value (anomaly) Time Month cumul. Record High Record Low
Minimum Temperature 7.1 °C (+3.6) 00:15 6.9 °C (+3.4) 10.7 °C (+7.2), 2016 -1.5 °C (-5.0), 2010
Maximum Temperature 11.6 °C (+3.2) 15:34 12.3 °C (+3.7) 13.5 °C (+5.1), 2015 2.0 °C (-6.4), 2010
Mean Temperature 9.4 °C (+3.4) 10.1 °C (+3.5) 12.1 °C, 2016 0.0 °C, 2010
Minimum Humidity 75% 11:22 80% 83%, 2009 62%, 2014
Maximum Humidity 89% 14:48 94% 98%, 2009 79%, 2016
Mean Humidity 81% 88% 91%, 2009 76%, 2014
Minimum Pressure 998 hPa 18:22 1002 hPa 1024 hPa, 2013 998 hPa, 2018
Maximum Pressure 1006 hPa 09:15 1013 hPa 1030 hPa, 2015 1006 hPa, 2018
Mean Pressure 1002 hPa 1007 hPa 1026 hPa, 2016 1002 hPa, 2018
Mean Wind Speed 10.6 mph (+5.5) 6.6 mph (+1.5) 10.6 mph, 2018 3.5 mph, 2012
Maximum Wind Speed 20.7 mph 02:11 15.5 mph 22.5 mph, 2011 9.8 mph, 2012
Maximum Gust 34.6 mph 17:34 26.1 mph 36.5 mph, 2011 14.5 mph, 2012
Mean Wind Direction WSW
Rainfall 0.2 mm 20.0 mm (138%) 2.6 mm, 2015
Maximum Hourly Rain 0.2 mm 1.1 mm, 2015
Maximum 10-min Rain 0.2 mm 0.8 mm, 2015
Maximum Rain Rate n/a 10.8, 2015
Minimum Dew Point 4.6 °C 00:15 5.1 °C 7.0 °C, 2016 -5.6 °C, 2010
Maximum Dew Point 9.6 °C 14:48 10.6 °C 11.8 °C, 2015 0.7 °C, 2017
Mean Dew Point 6.3 °C 8.2 °C 8.4 °C, 2016 -1.4 °C, 2010
Measure Value Time Month cumul. Record High Record Low
Night Minimum (21-09) * 6.6 °C * 22:09 8.3 °C 11.6 °C, 2015 -1.5 °C, 2010
Day Maximum (09-21) 11.6 °C 15:35 12.2 °C 13.5 °C, 2015 2.0 °C, 2010
Max 10m Temp Rise 0.4 °C 10:36 0.4 °C 1.0 °C, 2011 0.2 °C, 2009
Max 1hr Temp Rise 1.2 °C 11:21 1.1 °C 2.3 °C, 2013 0.7 °C, 2015
Max 1hr Hum Rise 7% 14:37 5% 7%, 2018 1%, 2016
Max 10m Temp Fall 0.3 °C 16:49 0.4 °C 0.3 °C, 2012 0.1 °C, 2009
Max 1hr Temp Fall 1.1 °C 19:48 1.1 °C 1.1 °C, 2018 0.5 °C, 2009
Max 1hr Hum Fall 6% 05:31 6% 13%, 2014 1%, 2016
Max 10m Wind Speed 15.3 mph 16:35 11.6 mph 15.4 mph, 2011 6.7 mph, 2009
Minimum Feels-like 2.4 °C 00:39 4.5 °C 10.7 °C, 2016 -7.5 °C, 2010
Maximum Feels-like 12.6 °C 15:24 13.9 °C 15.6 °C, 2015 1.7 °C, 2017
Mean Feels-like 7.3 °C 10.2 °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 4.5 °C (-0.5) 5.4 °C (+0.3) 8.9 °C (+3.9), 2011 2.4 °C (-2.6), 2016
Humidity Range 14% 13% 25%, 2010 2%, 2016
Pressure Range 9 hPa 10 hPa 19 hPa, 2011 3 hPa, 2013
Measure Value [% of max] Month cumul. Record High Record Low
Sun Hours 3 [42%]10 hrs (81%) [18%] 5.5 [77%], 2014 0 [0%], 2011
Wet Hours 128 hrs (175%) [15%] 5, 2015 0, 2010
Cloud Cover am: Sunny
pm: Overcast or Mostly Cloudy
Events None
Comments pm Rain
Extra Comments
Issues None known
Observer Absent? Yes - observations may be unreliable
Pond Temperature (Heath) 0.0 °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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