Daily Report for 20th January 2019

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Measure Value (anomaly) Time Month cumul. Record High Record Low
Minimum Temperature -2.4 °C (-4.7) 22:08 3.2 °C (+0.8) 4.4 °C (+2.1), 2012 -3.6 °C (-5.9), 2015
Maximum Temperature 4.2 °C (-2.8) 13:55 7.4 °C (+0.4) 9.8 °C (+2.8), 2012 -0.3 °C (-7.3), 2013
Mean Temperature 0.6 °C (-3.8) 5.5 °C (+0.6) 7.6 °C, 2012 -1.0 °C, 2013
Minimum Humidity 71% 15:18 73% 87%, 2010 45%, 2017
Maximum Humidity 94% 03:54 88% 98%, 2013 76%, 2017
Mean Humidity 85% 82% 94%, 2014 67%, 2017
Minimum Pressure 1012 hPa 00:00 1023 hPa 1035 hPa, 2011 983 hPa, 2009
Maximum Pressure 1025 hPa 23:36 1030 hPa 1038 hPa, 2011 996 hPa, 2009
Mean Pressure 1018 hPa 1027 hPa 1036 hPa, 2011 990 hPa, 2009
Mean Wind Speed 1.1 mph (-4.1) 4.3 mph (-0.9) 7.0 mph, 2012 0.4 mph, 2014
Maximum Wind Speed 6.7 mph 13:17 12.0 mph 16.1 mph, 2015 4.0 mph, 2016
Maximum Gust 10.4 mph 13:18 18.4 mph 22.3 mph, 2012 4.9 mph, 2016
Mean Wind Direction NNE
Rainfall 0.0 mm 4.5 mm (13%) 8.0 mm, 2013
Maximum Hourly Rain n/a 2, 2018
Maximum 10-min Rain n/a 0.8, 2018
Maximum Rain Rate n/a 6, 2018
Minimum Dew Point -3.7 °C 22:02 0.5 °C 0.8 °C, 2011 -5.4 °C, 2016
Maximum Dew Point 0.2 °C 12:06 4.5 °C 6.6 °C, 2014 -1.9 °C, 2017
Mean Dew Point -1.7 °C 2.6 °C 3.6 °C, 2012 -3.3 °C, 2017
Measure Value Time Month cumul. Record High Record Low
Night Minimum (21-09) * -2.1 °C * 03:10 4.0 °C 4.4 °C, 2012 -3.6 °C, 2015
Day Maximum (09-21) 4.2 °C 14:05 7.3 °C 9.8 °C, 2012 -0.3 °C, 2013
Max 10m Temp Rise 0.4 °C 03:44 0.3 °C 0.7 °C, 2014 0.1 °C, 2010
Max 1hr Temp Rise 1.6 °C 10:41 1.1 °C 2.6 °C, 2014 0.1 °C, 2010
Max 1hr Hum Rise 5% 16:56 4% 8%, 2017 1%, 2010
Max 10m Temp Fall 0.4 °C 17:00 0.4 °C 0.5 °C, 2014 0.1 °C, 2010
Max 1hr Temp Fall 1.8 °C 18:41 1.2 °C 1.8 °C, 2014 0.3 °C, 2010
Max 1hr Hum Fall 7% 11:26 6% 10%, 2017 2%, 2013
Max 10m Wind Speed 4.5 mph 12:56 8.6 mph 11.1 mph, 2012 3.0 mph, 2016
Minimum Feels-like -4.5 °C 22:10 -0.2 °C 0.3 °C, 2014 -8.4 °C, 2013
Maximum Feels-like 4.2 °C 13:27 7.1 °C 9.4 °C, 2012 -0.5 °C, 2013
Mean Feels-like -0.1 °C 3.6 °C 5.1 °C, 2012 -4.4 °C, 2013
Air-frost Hrs 11 hrs 0.9 hrs 24 hrs, 2013 0 hrs, 2010
Measure Value (anomaly) Month cumul. Record High Record Low
Temperature Range 6.6 °C (+1.9) 4.2 °C (-0.4) 7.8 °C (+3.1), 2015 1.4 °C (-3.3), 2010
Humidity Range 23% 15% 31%, 2017 8%, 2010
Pressure Range 13 hPa 7 hPa 13 hPa, 2009 3 hPa, 2011
Measure Value [% of max] Month cumul. Record High Record Low
Sun Hours 7 [92%]37 hrs (126%) [25%] 7.7 [101%], 2017 0 [0%], 2010
Wet Hours 06.3 hrs (15%) [1.3%] 13, 2013 , 2009
Cloud Cover Sunny
Events Air Frost
Comments -
Extra Comments
Issues None known
Observer Absent? Yes - observations may be unreliable
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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