Daily Report for 18th March 2020

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Measure Value (anomaly) Time Month cumul. Record High Record Low
Minimum Temperature 7.8 °C (+3.9) 23:54 5.1 °C (+1.8) 10.4 °C (+6.5), 2017 -1.7 °C (-5.6), 2018
Maximum Temperature 14.6 °C (+4.0) 15:10 11.2 °C (+1.4) 17.4 °C (+6.8), 2010 0.3 °C (-10.3), 2018
Mean Temperature 11.4 °C (+4.0) 8.0 °C (+1.6) 12.6 °C, 2017 -0.6 °C, 2018
Minimum Humidity 73% 15:11 66% 81%, 2013 39%, 2010
Maximum Humidity 92% 23:42 90% 98%, 2013 81%, 2014
Mean Humidity 84% 80% 93%, 2013 67%, 2014
Minimum Pressure 1024 hPa 16:31 1005 hPa 1028 hPa, 2009 989 hPa, 2013
Maximum Pressure 1027 hPa 00:00 1014 hPa 1036 hPa, 2009 994 hPa, 2013
Mean Pressure 1025 hPa 1010 hPa 1032 hPa, 2009 991 hPa, 2013
Mean Wind Speed 7.2 mph (+2.0) 7.3 mph (+2.1) 9.8 mph, 2018 1.2 mph, 2013
Maximum Wind Speed 15.0 mph 03:07 17.6 mph 18.8 mph, 2018 6.7 mph, 2013
Maximum Gust 25.3 mph 00:10 27.1 mph 31.1 mph, 2018 8.7 mph, 2013
Mean Wind Direction WSW
Rainfall 0.0 mm 33.4 mm (131%) 11.5 mm, 2013
Maximum Hourly Rain n/a 3.4, 2013
Maximum 10-min Rain n/a 1.2, 2013
Maximum Rain Rate n/a 17, 2013
Minimum Dew Point 6.4 °C 23:54 2.4 °C 6.5 °C, 2017 -4.7 °C, 2018
Maximum Dew Point 10.2 °C 13:19 6.9 °C 10.8 °C, 2017 -2.4 °C, 2018
Mean Dew Point 8.7 °C 4.7 °C 9.1 °C, 2017 -3.4 °C, 2018
Measure Value Time Month cumul. Record High Record Low
Night Minimum (21-09) * 9.4 °C * 21:38 5.4 °C 9.9 °C, 2017 -1.7 °C, 2018
Day Maximum (09-21) 14.6 °C 15:11 11.2 °C 17.4 °C, 2010 -0.1 °C, 2018
Max 10m Temp Rise 0.3 °C 12:59 0.5 °C 0.8 °C, 2010 0.2 °C, 2011
Max 1hr Temp Rise 1.3 °C 13:27 1.6 °C 3.3 °C, 2010 0.5 °C, 2011
Max 1hr Hum Rise 6% 22:59 9% 16%, 2010 3%, 2017
Max 10m Temp Fall 0.7 °C 22:15 0.6 °C 0.7 °C, 2020 0.2 °C, 2017
Max 1hr Temp Fall 2.4 °C 23:00 1.7 °C 2.4 °C, 2020 0.7 °C, 2017
Max 1hr Hum Fall 5% 13:23 8% 23%, 2010 4%, 2016
Max 10m Wind Speed 11.4 mph 03:10 13.0 mph 14.3 mph, 2018 5.6 mph, 2013
Minimum Feels-like 4.8 °C 23:52 1.3 °C 10.4 °C, 2017 -8.7 °C, 2018
Maximum Feels-like 15.9 °C 15:03 11.2 °C 17.4 °C, 2010 -2.4 °C, 2018
Mean Feels-like 12.1 °C 6.3 °C 13.5 °C, 2017 -6.5 °C, 2018
Air-frost Hrs 0 hrs 0 hrs 19 hrs, 2018 0 hrs, 2009
Measure Value (anomaly) Month cumul. Record High Record Low
Temperature Range 6.8 °C (+0.1) 6.2 °C (-0.4) 12.6 °C (+5.9), 2009 2.0 °C (-4.7), 2018
Humidity Range 19% 24% 53%, 2009 14%, 2017
Pressure Range 3 hPa 9 hPa 17 hPa, 2012 3 hPa, 2020
Measure Value [% of max] Month cumul. Record High Record Low
Sun Hours 0 [0%]60 hrs (101%) [32%] 11.5 [107%], 2009 0 [0%], 2016
Wet Hours 044 hrs (141%) [10%] 6, 2013 , 2009
Cloud Cover Overcast
Events None
Comments -
Extra Comments
Issues None known
Observer Absent? Yes - observations may be unreliable
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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