Daily Report for 18th January 2020

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Measure Value (anomaly) Time Month cumul. Record High Record Low
Minimum Temperature 1.3 °C (-1.1) 08:19 5.6 °C (+3.1) 7.6 °C (+5.2), 2014 -3.3 °C (-5.7), 2017
Maximum Temperature 6.6 °C (-0.4) 13:41 10.3 °C (+3.3) 11.9 °C (+4.9), 2012 1.8 °C (-5.2), 2013
Mean Temperature 3.4 °C (-0.8) 8.2 °C (+3.2) 9.3 °C, 2012 -0.8 °C, 2013
Minimum Humidity 71% 13:48 77% 95%, 2010 50%, 2009
Maximum Humidity 93% 06:17 92% 98%, 2010 82%, 2017
Mean Humidity 85% 86% 98%, 2010 70%, 2017
Minimum Pressure 1021 hPa 00:00 1014 hPa 1036 hPa, 2017 989 hPa, 2014
Maximum Pressure 1037 hPa 23:56 1026 hPa 1039 hPa, 2017 993 hPa, 2014
Mean Pressure 1029 hPa 1020 hPa 1038 hPa, 2017 990 hPa, 2014
Mean Wind Speed 4.2 mph (-1.0) 7.1 mph (+1.9) 10.4 mph, 2018 0.2 mph, 2017
Maximum Wind Speed 10.8 mph 12:32 17.9 mph 31.0 mph, 2018 3.8 mph, 2017
Maximum Gust 16.1 mph 12:33 30.0 mph 47.2 mph, 2018 5.2 mph, 2017
Mean Wind Direction WNW
Rainfall 0.0 mm 26.5 mm (83%) 7.6 mm, 2011
Maximum Hourly Rain n/a 3, 2009
Maximum 10-min Rain n/a 1.1, 2011
Maximum Rain Rate n/a 10, 2011
Minimum Dew Point 0.1 °C 08:15 3.5 °C 4.8 °C, 2014 -6.8 °C, 2017
Maximum Dew Point 2.6 °C 12:38 8.3 °C 11.1 °C, 2012 -2.3 °C, 2013
Mean Dew Point 1.1 °C 5.9 °C 8.4 °C, 2012 -5.0 °C, 2017
Measure Value Time Month cumul. Record High Record Low
Night Minimum (21-09) 1.3 °C 08:19 6.6 °C 6.8 °C, 2014 -3.3 °C, 2017
Day Maximum (09-21) 6.6 °C 13:40 9.9 °C 11.9 °C, 2012 -0.8 °C, 2013
Max 10m Temp Rise 0.4 °C 10:58 0.3 °C 0.9 °C, 2019 0.1 °C, 2013
Max 1hr Temp Rise 1.7 °C 11:15 1.0 °C 3.8 °C, 2019 0.4 °C, 2013
Max 1hr Hum Rise 5% 17:45 5% 6%, 2013 2%, 2010
Max 10m Temp Fall 0.3 °C 18:29 0.5 °C 0.4 °C, 2017 0.1 °C, 2012
Max 1hr Temp Fall 1.4 °C 18:59 1.2 °C 1.8 °C, 2018 0.3 °C, 2012
Max 1hr Hum Fall 7% 11:27 6% 15%, 2018 0%, 2010
Max 10m Wind Speed 7.6 mph 11:32 13.4 mph 23.3 mph, 2018 2.7 mph, 2017
Minimum Feels-like -3.5 °C 07:23 1.6 °C 4.7 °C, 2014 -8.7 °C, 2013
Maximum Feels-like 6.1 °C 12:19 10.9 °C 13.7 °C, 2012 -0.4 °C, 2013
Mean Feels-like 0.7 °C 6.6 °C 8.9 °C, 2012 -5.3 °C, 2013
Air-frost Hrs 0 hrs 0 hrs 18 hrs, 2013 0 hrs, 2010
Measure Value (anomaly) Month cumul. Record High Record Low
Temperature Range 5.3 °C (+0.7) 4.7 °C (+0.1) 8.3 °C (+3.7), 2019 2.2 °C (-2.4), 2014
Humidity Range 22% 15% 44%, 2009 3%, 2010
Pressure Range 16 hPa 12 hPa 16 hPa, 2018 1 hPa, 2010
Measure Value [% of max] Month cumul. Record High Record Low
Sun Hours 6 [79%]26 hrs (100%) [20%] 7.5 [99%], 2017 0 [0%], 2012
Wet Hours 037 hrs (95%) [8.6%] 10, 2013 , 2009
Cloud Cover unknown
Events None
Comments blr
Extra Comments
Issues None known
Observer Absent? No
Pond Temperature (Heath) 5.5 °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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