Daily Report for 12th March 2009

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Measure Value (anomaly) Time Month cumul. Record High Record Low
Minimum Temperature 9.2 °C (+5.9) 23:57 2.9 °C (+0.0) 9.3 °C (+6.0), 2017 -2.2 °C (-5.5), 2013
Maximum Temperature 13.0 °C (+3.1) 14:14 11.1 °C (+1.6) 14.9 °C (+5.0), 2014 3.9 °C (-6.0), 2013
Mean Temperature 11.1 °C (+4.5) 7.0 °C (+0.8) 11.2 °C, 2017 0.7 °C, 2013
Minimum Humidity 74% 15:42 55% 87%, 2018 28%, 2015
Maximum Humidity 94% 12:22 94% 96%, 2012 76%, 2015
Mean Humidity 84% 75% 92%, 2018 50%, 2015
Minimum Pressure 1019 hPa 15:49 1002 hPa 1034 hPa, 2012 986 hPa, 2018
Maximum Pressure 1024 hPa 16:56 1011 hPa 1036 hPa, 2012 1000 hPa, 2018
Mean Pressure 1022 hPa 1006 hPa 1035 hPa, 2012 990 hPa, 2018
Mean Wind Speed n/a (-5.2) 0.0 mph (-5.2) 11.09, 2013 1.5, 2017
Maximum Wind Speed n/a 0.0 mph 25.6, 2013 6.4, 2014
Maximum Gust n/a 0.0 mph 39.3, 2013 8.7, 2014
Mean Wind Direction n/a
Rainfall 0.0 mm 24.2 mm (142%) 5.2 mm, 2018
Maximum Hourly Rain n/a 2.6, 2018
Maximum 10-min Rain n/a 0.8, 2018
Maximum Rain Rate n/a 10, 2018
Minimum Dew Point 6.7 °C 17:21 -0.1 °C 6.7 °C, 2009 -10.3 °C, 2013
Maximum Dew Point 9.0 °C 00:50 5.7 °C 9.4 °C, 2017 -0.9 °C, 2013
Mean Dew Point 8.1 °C 2.7 °C 8.1 °C, 2009 -6.7 °C, 2013
Measure Value Time Month cumul. Record High Record Low
Night Minimum (21-09) 9.2 °C 3.4 °C 9.3 °C, 2017 -2.2 °C, 2013
Day Maximum (09-21) 13.0 °C 11.1 °C 14.9 °C, 2014 3.9 °C, 2013
Max 10m Temp Rise n/a 09:01 0.0 °C 0.6, 2012 0.4, 2017
Max 1hr Temp Rise n/a 09:56 0.0 °C 2.7, 2015 1.4, 2010
Max 1hr Hum Rise n/a 17:35 0% 16, 2013 3, 2018
Max 10m Temp Fall n/a 17:21 0.0 °C 0.6, 2014 0.2, 2017
Max 1hr Temp Fall n/a 17:21 0.0 °C 2.2, 2014 0.8, 2017
Max 1hr Hum Fall n/a 09:47 0% 13, 2015 6, 2010
Max 10m Wind Speed n/a 0.0 mph 20.6, 2013 3.8, 2016
Minimum Feels-like n/a 0.0 °C 9, 2017 -10.8, 2013
Maximum Feels-like n/a 0.0 °C 14.9, 2014 1.7, 2013
Mean Feels-like n/a 0.0 °C 11.5, 2017 -4.7, 2013
Air-frost Hrs 0 hrs 0.1 hrs 9 hrs, 2013 0 hrs, 2009
Measure Value (anomaly) Month cumul. Record High Record Low
Temperature Range 3.8 °C (-2.8) 8.2 °C (+1.6) 11.9 °C (+5.2), 2014 3.1 °C (-3.6), 2017
Humidity Range 20% 39% 48%, 2015 9%, 2018
Pressure Range 5 hPa 10 hPa 14 hPa, 2018 2 hPa, 2012
Measure Value [% of max] Month cumul. Record High Record Low
Sun Hours 0 [0%]50 hrs (130%) [41%] 10 [96%], 2012 0 [0%], 2009
Wet Hours 0 hrs (0%) [0%] 5, 2018 , 2009
Cloud Cover not available
Events None
Comments -
Extra Comments
Issues None known
Observer Absent? No
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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Daily Graph of Conditions

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