Daily Report for 18th February 2020

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Measure Value (anomaly) Time Month cumul. Record High Record Low
Minimum Temperature 4.2 °C (+2.2) 04:21 4.7 °C (+2.5) 6.2 °C (+4.2), 2009 -0.8 °C (-2.8), 2010
Maximum Temperature 10.4 °C (+2.9) 14:02 10.3 °C (+3.1) 11.3 °C (+3.8), 2017 4.8 °C (-2.7), 2010
Mean Temperature 6.6 °C (+2.6) 7.6 °C (+2.8) 8.4 °C, 2019 2.1 °C, 2010
Minimum Humidity 69% 13:20 69% 88%, 2010 51%, 2016
Maximum Humidity 89% 23:21 91% 98%, 2010 81%, 2015
Mean Humidity 81% 81% 96%, 2010 71%, 2015
Minimum Pressure 1015 hPa 20:15 1007 hPa 1031 hPa, 2015 986 hPa, 2010
Maximum Pressure 1022 hPa 07:43 1019 hPa 1042 hPa, 2015 992 hPa, 2010
Mean Pressure 1019 hPa 1012 hPa 1036 hPa, 2015 989 hPa, 2010
Mean Wind Speed 8.1 mph (+3.0) 8.6 mph (+3.5) 8.1 mph, 2020 2.6 mph, 2010
Maximum Wind Speed 19.9 mph 18:28 20.6 mph 20.4 mph, 2012 8.8 mph, 2017
Maximum Gust 34.6 mph 13:51 34.2 mph 34.6 mph, 2020 10.9 mph, 2010
Mean Wind Direction SW
Rainfall 2.9 mm 48.5 mm (195%) 9.0 mm, 2010
Maximum Hourly Rain 2.2 mm 21:19 4.3 mm, 2014
Maximum 10-min Rain 1.1 mm 20:55 2.1 mm, 2014
Maximum Rain Rate 18 mm/h 20:55 60 mm/h, 2014
Minimum Dew Point 1.6 °C 03:30 1.8 °C 4.8 °C, 2014 -4.9 °C, 2016
Maximum Dew Point 6.1 °C 14:49 7.2 °C 8.5 °C, 2014 2.2 °C, 2015
Mean Dew Point 3.5 °C 4.5 °C 6.8 °C, 2014 -0.1 °C, 2016
Measure Value Time Month cumul. Record High Record Low
Night Minimum (21-09) 4.2 °C 04:30 5.4 °C 8.7 °C, 2019 -0.8 °C, 2010
Day Maximum (09-21) 10.4 °C 14:10 10.1 °C 11.3 °C, 2017 4.8 °C, 2010
Max 10m Temp Rise 0.5 °C 11:43 0.4 °C 1.3 °C, 2009 0.2 °C, 2017
Max 1hr Temp Rise 1.8 °C 11:43 1.5 °C 3.7 °C, 2018 0.5 °C, 2019
Max 1hr Hum Rise 14% 15:23 7% 14%, 2012 2%, 2010
Max 10m Temp Fall 0.9 °C 14:59 0.6 °C 1.7 °C, 2012 0.2 °C, 2010
Max 1hr Temp Fall 2.5 °C 15:29 1.4 °C 3.6 °C, 2012 0.7 °C, 2010
Max 1hr Hum Fall 6% 18:53 8% 13%, 2016 1%, 2010
Max 10m Wind Speed 14.5 mph 12:57 15.3 mph 14.5 mph, 2020 5.7 mph, 2010
Minimum Feels-like -0.5 °C 05:26 0.2 °C 2.9 °C, 2017 -3.6 °C, 2010
Maximum Feels-like 10.4 °C 14:00 10.3 °C 11.3 °C, 2017 4.8 °C, 2010
Mean Feels-like 3.3 °C 5.5 °C 6.9 °C, 2014 1.1 °C, 2010
Air-frost Hrs 0 hrs 0 hrs 8 hrs, 2010 0 hrs, 2009
Measure Value (anomaly) Month cumul. Record High Record Low
Temperature Range 6.2 °C (+0.7) 5.7 °C (+0.5) 8.4 °C (+2.9), 2018 3.3 °C (-2.2), 2009
Humidity Range 20% 22% 41%, 2016 8%, 2019
Pressure Range 7 hPa 12 hPa 12 hPa, 2012 1 hPa, 2009
Measure Value [% of max] Month cumul. Record High Record Low
Sun Hours 3 [33%]37 hrs (79%) [24%] 9 [99%], 2015 0 [0%], 2019
Wet Hours 3
[Mean rain rate: 1.0 mm/h]
47 hrs (146%) [11%] 6, 2010 , 2009
Cloud Cover unknown
Events None
Comments blr
Extra Comments
Issues None known
Observer Absent? No
Pond Temperature (Heath) 5.0 °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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