Daily Report for 11th March 2009

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Measure Value (anomaly) Time Month cumul. Record High Record Low
Minimum Temperature 1.3 °C (-1.9) 06:10 2.4 °C (-0.5) 11.0 °C (+7.8), 2017 -2.1 °C (-5.3), 2013
Maximum Temperature 13.2 °C (+3.4) 15:34 10.9 °C (+1.5) 16.9 °C (+7.1), 2017 0.6 °C (-9.2), 2013
Mean Temperature 7.2 °C (+0.7) 6.7 °C (+0.5) 13.4 °C, 2017 -0.8 °C, 2013
Minimum Humidity 57% 15:41 53% 83%, 2018 46%, 2015
Maximum Humidity 97% 07:48 94% 97%, 2009 79%, 2013
Mean Humidity 77% 74% 92%, 2018 66%, 2019
Minimum Pressure 1018 hPa 00:29 1000 hPa 1034 hPa, 2012 988 hPa, 2018
Maximum Pressure 1025 hPa 09:11 1010 hPa 1038 hPa, 2012 997 hPa, 2018
Mean Pressure 1022 hPa 1005 hPa 1036 hPa, 2012 992 hPa, 2018
Mean Wind Speed n/a (-5.2) 0.0 mph (-5.2) 13.89, 2013 1.4, 2016
Maximum Wind Speed n/a 0.0 mph 29.5, 2020 6.7, 2016
Maximum Gust n/a 0.0 mph 43.8, 2020 8.7, 2012
Mean Wind Direction n/a
Rainfall 0.0 mm 24.2 mm (155%) 2.4 mm, 2018
Maximum Hourly Rain n/a 2.4, 2018
Maximum 10-min Rain n/a 2, 2018
Maximum Rain Rate n/a 40, 2018
Minimum Dew Point 0.7 °C 06:10 -0.7 °C 6.5 °C, 2017 -9.0 °C, 2013
Maximum Dew Point 6.7 °C 23:48 5.4 °C 11.0 °C, 2017 -2.6 °C, 2013
Mean Dew Point 4.0 °C 2.2 °C 9.0 °C, 2017 -6.0 °C, 2013
Measure Value Time Month cumul. Record High Record Low
Night Minimum (21-09) 1.3 °C 2.9 °C 11.0 °C, 2017 -1.0 °C, 2013
Day Maximum (09-21) 13.2 °C 10.9 °C 16.9 °C, 2017 0.2 °C, 2013
Max 10m Temp Rise n/a 16:13 0.0 °C 1.1, 2011 0.2, 2014
Max 1hr Temp Rise n/a 17:04 0.0 °C 2.8, 2012 0.9, 2014
Max 1hr Hum Rise n/a 16:03 0% 10, 2013 3, 2017
Max 10m Temp Fall n/a 16:03 0.0 °C 1, 2020 0.2, 2015
Max 1hr Temp Fall n/a 16:03 0.0 °C 2.3, 2012 0.6, 2019
Max 1hr Hum Fall n/a 11:31 0% 13, 2012 4, 2014
Max 10m Wind Speed n/a 0.0 mph 20.7, 2013 3.8, 2016
Minimum Feels-like n/a 0.0 °C 11.4, 2017 -11, 2013
Maximum Feels-like n/a 0.0 °C 18.7, 2017 -3.9, 2013
Mean Feels-like n/a 0.0 °C 14.2, 2017 -7.6, 2013
Air-frost Hrs 0 hrs 0.1 hrs 20 hrs, 2013 0 hrs, 2009
Measure Value (anomaly) Month cumul. Record High Record Low
Temperature Range 11.9 °C (+5.2) 8.6 °C (+2.0) 11.9 °C (+5.2), 2009 2.7 °C (-4.0), 2013
Humidity Range 40% 41% 40%, 2009 13%, 2018
Pressure Range 7 hPa 10 hPa 9 hPa, 2019 1 hPa, 2013
Measure Value [% of max] Month cumul. Record High Record Low
Sun Hours 4.6 [44%]50 hrs (142%) [45%] 9 [87%], 2016 0.1 [1%], 2013
Wet Hours 0 hrs (0%) [0%] 1, 2013 , 2009
Cloud Cover not available
Events None
Comments -
Extra Comments
Issues None known
Observer Absent? No
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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