Daily Report for 21st March 2017

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Measure Value (anomaly) Time Month cumul. Record High Record Low
Minimum Temperature 4.6 °C (+0.6) 06:34 7.2 °C (+3.9) 6.8 °C (+2.8), 2014 0.5 °C (-3.5), 2009
Maximum Temperature 11.0 °C (+0.2) 14:24 12.9 °C (+3.0) 15.6 °C (+4.8), 2012 6.3 °C (-4.5), 2013
Mean Temperature 7.9 °C (+0.4) 10.0 °C (+3.4) 10.7 °C, 2012 3.5 °C, 2013
Minimum Humidity 39% 15:32 58% 57%, 2011 39%, 2017
Maximum Humidity 78% 01:22 83% 97%, 2010 77%, 2012
Mean Humidity 58% 72% 78%, 2010 58%, 2017
Minimum Pressure 1005 hPa 01:23 1007 hPa 1033 hPa, 2011 999 hPa, 2014
Maximum Pressure 1010 hPa 10:19 1016 hPa 1036 hPa, 2011 1008 hPa, 2014
Mean Pressure 1008 hPa 1012 hPa 1034 hPa, 2011 1005 hPa, 2014
Mean Wind Speed 6.7 mph (+1.5) 5.3 mph (+0.1) 7.7 mph, 2014 2.5 mph, 2011
Maximum Wind Speed 16.4 mph 16:26 13.5 mph 21.5 mph, 2014 8.1 mph, 2011
Maximum Gust 23.1 mph 13:20 21.1 mph 29.4 mph, 2014 10.7 mph, 2011
Mean Wind Direction WSW
Rainfall 0.0 mm 20.6 mm (69%) 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 -2.7 °C 15:36 2.1 °C 2.9 °C, 2010 -3.0 °C, 2013
Maximum Dew Point 3.2 °C 01:10 7.5 °C 7.3 °C, 2011 0.6 °C, 2013
Mean Dew Point -0.1 °C 5.0 °C 4.7 °C, 2010 -1.0 °C, 2013
Measure Value Time Month cumul. Record High Record Low
Night Minimum (21-09) 4.6 °C 06:34 7.4 °C 8.1 °C, 2012 0.5 °C, 2009
Day Maximum (09-21) 11.0 °C 14:24 12.9 °C 15.6 °C, 2012 6.3 °C, 2013
Max 10m Temp Rise 0.7 °C 09:48 0.4 °C 0.8 °C, 2014 0.4 °C, 2013
Max 1hr Temp Rise 1.5 °C 09:48 1.6 °C 2.8 °C, 2012 0.9 °C, 2015
Max 1hr Hum Rise 8% 17:19 6% 14%, 2014 5%, 2011
Max 10m Temp Fall 0.7 °C 16:52 0.3 °C 0.8 °C, 2014 0.2 °C, 2013
Max 1hr Temp Fall 1.3 °C 17:41 1.1 °C 2.3 °C, 2016 0.8 °C, 2013
Max 1hr Hum Fall 10% 08:43 9% 17%, 2014 8%, 2012
Max 10m Wind Speed 12.2 mph 12:46 10.7 mph 14.3 mph, 2014 5.6 mph, 2011
Minimum Feels-like 0.2 °C 06:03 4.4 °C 3.4 °C, 2014 -2.8 °C, 2013
Maximum Feels-like 11.0 °C 14:16 13.3 °C 15.6 °C, 2012 5.0 °C, 2013
Mean Feels-like 5.8 °C 9.2 °C 10.2 °C, 2012 0.7 °C, 2013
Air-frost Hrs 0 hrs 0 hrs 0 hrs, 2009 0 hrs, 2009
Measure Value (anomaly) Month cumul. Record High Record Low
Temperature Range 6.4 °C (-0.4) 5.7 °C (-0.9) 14.9 °C (+8.1), 2009 4.0 °C (-2.8), 2015
Humidity Range 39% 25% 46%, 2009 29%, 2013
Pressure Range 5 hPa 9 hPa 14 hPa, 2010 3 hPa, 2009
Measure Value [% of max] Month cumul. Record High Record Low
Sun Hours 8.3 [76%]59 hrs (85%) [27%] 10.9 [100%], 2009 0 [0%], 2015
Wet Hours 014 hrs (40%) [2.8%] 1, 2014 , 2009
Cloud Cover am: Sunny transitioned to Mostly Sunny
pm: Partly Cloudy
Events None
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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Daily Graph of Conditions

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Webcam Summary of Cloud Conditions

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