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 time of the extremum (if the value persisted for >1 minute).
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; their reliablity is questionable and they are provided for interest only.
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Daily Graph of Conditions

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