Daily Report for 12th March 2018

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Measure Value (anomaly) Time Month cumul. Record High Record Low
Minimum Temperature 5.7 °C (+2.4) 23:54 3.0 °C (+0.0) 9.3 °C (+6.0), 2017 -2.2 °C (-5.5), 2013
Maximum Temperature 10.8 °C (+0.9) 14:25 8.1 °C (-1.4) 14.9 °C (+5.0), 2014 3.9 °C (-6.0), 2013
Mean Temperature 8.2 °C (+1.6) 5.5 °C (-0.7) 11.2 °C, 2017 0.7 °C, 2013
Minimum Humidity 87% 20:30 73% 87%, 2018 28%, 2015
Maximum Humidity 96% 00:54 94% 96%, 2012 76%, 2015
Mean Humidity 92% 86% 92%, 2018 50%, 2015
Minimum Pressure 986 hPa 07:08 990 hPa 1034 hPa, 2012 986 hPa, 2018
Maximum Pressure 1000 hPa 23:58 998 hPa 1036 hPa, 2012 1000 hPa, 2018
Mean Pressure 990 hPa 994 hPa 1035 hPa, 2012 990 hPa, 2018
Mean Wind Speed 4.6 mph (-0.6) 6.2 mph (+1.0) 11.1 mph, 2013 1.5 mph, 2017
Maximum Wind Speed 13.0 mph 22:27 15.2 mph 25.6 mph, 2013 6.4 mph, 2014
Maximum Gust 19.6 mph 22:28 23.2 mph 39.3 mph, 2013 8.7 mph, 2014
Mean Wind Direction N
Rainfall 5.2 mm 23.0 mm (135%) 5.2 mm, 2018
Maximum Hourly Rain 2.6 mm 12:09 2.6 mm, 2018
Maximum 10-min Rain 0.8 mm 12:03 0.8 mm, 2018
Maximum Rain Rate 10 mm/h 12:01 10 mm/h, 2018
Minimum Dew Point 3.8 °C 23:42 0.7 °C 6.7 °C, 2009 -10.3 °C, 2013
Maximum Dew Point 9.3 °C 13:08 5.6 °C 9.4 °C, 2017 -0.9 °C, 2013
Mean Dew Point 6.9 °C 3.2 °C 8.1 °C, 2009 -6.7 °C, 2013
Measure Value Time Month cumul. Record High Record Low
Night Minimum (21-09) * 7.5 °C * 00:17 3.3 °C 9.3 °C, 2017 -2.2 °C, 2013
Day Maximum (09-21) 10.8 °C 14:25 8.0 °C 14.9 °C, 2014 3.9 °C, 2013
Max 10m Temp Rise 0.4 °C 12:58 0.4 °C 0.6 °C, 2012 0.4 °C, 2017
Max 1hr Temp Rise 1.5 °C 13:14 1.5 °C 2.7 °C, 2015 1.4 °C, 2010
Max 1hr Hum Rise 3% 18:17 7% 16%, 2013 3%, 2018
Max 10m Temp Fall 0.3 °C 17:45 0.3 °C 0.6 °C, 2014 0.2 °C, 2017
Max 1hr Temp Fall 1.1 °C 18:13 1.1 °C 2.2 °C, 2014 0.8 °C, 2017
Max 1hr Hum Fall 7% 14:02 9% 13%, 2015 6%, 2010
Max 10m Wind Speed 9.8 mph 19:54 11.8 mph 20.6 mph, 2013 3.8 mph, 2016
Minimum Feels-like 1.3 °C 23:38 -1.1 °C 9.0 °C, 2017 -10.8 °C, 2013
Maximum Feels-like 11.7 °C 14:19 7.2 °C 14.9 °C, 2014 1.7 °C, 2013
Mean Feels-like 6.7 °C 2.8 °C 11.5 °C, 2017 -4.7 °C, 2013
Air-frost Hrs 0 hrs 4 hrs 9 hrs, 2013 0 hrs, 2009
Measure Value (anomaly) Month cumul. Record High Record Low
Temperature Range 5.1 °C (-1.5) 5.1 °C (-1.4) 11.9 °C (+5.2), 2014 3.1 °C (-3.6), 2017
Humidity Range 9% 21% 48%, 2015 9%, 2018
Pressure Range 14 hPa 8 hPa 14 hPa, 2018 2 hPa, 2012
Measure Value [% of max] Month cumul. Record High Record Low
Sun Hours 0 [0%]14 hrs (35%) [11%] 10 [96%], 2012 0 [0%], 2009
Wet Hours 5
[Mean rain rate: 1.0 mm/h]
37 hrs (180%) [13%] 5, 2018 , 2009
Cloud Cover Overcast
Events None
Comments Rain spells
Extra Comments
Issues None known
Observer Absent? Yes - observations may be unreliable
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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