Daily Report for 21st March 2018

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Measure Value (anomaly) Time Month cumul. Record High Record Low
Minimum Temperature -0.7 °C (-4.7) 04:52 2.6 °C (-0.7) 6.8 °C (+2.8), 2014 -0.7 °C (-4.7), 2018
Maximum Temperature 10.3 °C (-0.5) 14:36 8.4 °C (-1.6) 15.6 °C (+4.8), 2012 6.3 °C (-4.5), 2013
Mean Temperature 5.2 °C (-2.6) 5.3 °C (-1.1) 10.7 °C, 2012 3.5 °C, 2013
Minimum Humidity 43% 16:41 67% 57%, 2011 39%, 2017
Maximum Humidity 93% 06:45 92% 97%, 2010 77%, 2012
Mean Humidity 69% 82% 78%, 2010 58%, 2017
Minimum Pressure 1026 hPa 23:44 997 hPa 1033 hPa, 2011 999 hPa, 2014
Maximum Pressure 1034 hPa 01:36 1005 hPa 1036 hPa, 2011 1008 hPa, 2014
Mean Pressure 1031 hPa 1001 hPa 1034 hPa, 2011 1005 hPa, 2014
Mean Wind Speed 4.5 mph (-0.7) 6.6 mph (+1.4) 7.7 mph, 2014 2.5 mph, 2011
Maximum Wind Speed 13.5 mph 15:08 15.8 mph 21.5 mph, 2014 8.1 mph, 2011
Maximum Gust 19.6 mph 11:10 24.4 mph 29.4 mph, 2014 10.7 mph, 2011
Mean Wind Direction WNW
Rainfall 0.0 mm 35.9 mm (120%) 2.4 mm, 2014
Maximum Hourly Rain n/a 2.4, 2014
Maximum 10-min Rain n/a 1.5, 2014
Maximum Rain Rate n/a 18, 2014
Minimum Dew Point -2.6 °C 16:41 0.0 °C 2.9 °C, 2010 -3.0 °C, 2013
Maximum Dew Point 1.9 °C 10:22 4.7 °C 7.3 °C, 2011 0.6 °C, 2013
Mean Dew Point -0.4 °C 2.4 °C 4.7 °C, 2010 -1.0 °C, 2013
Measure Value Time Month cumul. Record High Record Low
Night Minimum (21-09) -0.7 °C 04:52 2.9 °C 8.1 °C, 2012 -0.7 °C, 2018
Day Maximum (09-21) 10.3 °C 14:36 7.9 °C 15.6 °C, 2012 6.3 °C, 2013
Max 10m Temp Rise 0.7 °C 09:41 0.5 °C 0.8 °C, 2014 0.4 °C, 2013
Max 1hr Temp Rise 2.5 °C 07:45 1.5 °C 2.8 °C, 2012 0.9 °C, 2015
Max 1hr Hum Rise 10% 18:34 8% 14%, 2014 5%, 2011
Max 10m Temp Fall 0.6 °C 10:48 0.4 °C 0.8 °C, 2014 0.2 °C, 2013
Max 1hr Temp Fall 2.0 °C 01:19 1.3 °C 2.3 °C, 2016 0.8 °C, 2013
Max 1hr Hum Fall 12% 08:23 10% 17%, 2014 8%, 2012
Max 10m Wind Speed 9.9 mph 15:12 12.3 mph 14.3 mph, 2014 5.6 mph, 2011
Minimum Feels-like -3.6 °C 06:21 -1.9 °C 3.4 °C, 2014 -3.6 °C, 2018
Maximum Feels-like 10.3 °C 14:34 7.3 °C 15.6 °C, 2012 5.0 °C, 2013
Mean Feels-like 3.1 °C 2.5 °C 10.2 °C, 2012 0.7 °C, 2013
Air-frost Hrs 5 hrs 4 hrs 5 hrs, 2018 0 hrs, 2009
Measure Value (anomaly) Month cumul. Record High Record Low
Temperature Range 11.0 °C (+4.2) 5.7 °C (-0.9) 14.9 °C (+8.1), 2009 4.0 °C (-2.8), 2015
Humidity Range 50% 25% 50%, 2018 29%, 2013
Pressure Range 8 hPa 9 hPa 14 hPa, 2010 3 hPa, 2009
Measure Value [% of max] Month cumul. Record High Record Low
Sun Hours 10 [92%]44 hrs (63%) [20%] 10.9 [100%], 2009 0 [0%], 2015
Wet Hours 062 hrs (172%) [12%] 1, 2014 , 2009
Cloud Cover am: Sunny transitioned to Mostly Sunny
pm: Sunny
Events Air Frost
Comments -
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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