Daily Report for 21st May 2016

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Measure Value (anomaly) Time Month cumul. Record High Record Low
Minimum Temperature 13.5 °C (+4.6) 03:47 9.9 °C (+2.2) 13.5 °C (+4.6), 2016 5.5 °C (-3.4), 2015
Maximum Temperature 17.7 °C (+0.4) 14:17 18.6 °C (+2.4) 24.3 °C (+7.0), 2010 15.9 °C (-1.4), 2013
Mean Temperature 15.3 °C (+2.5) 14.5 °C (+2.3) 18.2 °C, 2010 12.1 °C, 2012
Minimum Humidity 63% 14:29 46% 71%, 2012 30%, 2015
Maximum Humidity 87% 04:46 82% 93%, 2012 81%, 2015
Mean Humidity 76% 64% 83%, 2012 55%, 2011
Minimum Pressure 1006 hPa 23:03 1011 hPa 1029 hPa, 2010 1001 hPa, 2014
Maximum Pressure 1012 hPa 00:15 1016 hPa 1032 hPa, 2010 1010 hPa, 2012
Mean Pressure 1008 hPa 1013 hPa 1030 hPa, 2010 1008 hPa, 2014
Mean Wind Speed 3.5 mph (-1.2) 3.6 mph (-1.1) 5.4 mph, 2011 2.2 mph, 2018
Maximum Wind Speed 12.1 mph 11:37 11.3 mph 14.5 mph, 2011 8.4 mph, 2010
Maximum Gust 25.8 mph 14:57 18.0 mph 25.8 mph, 2016 12.0 mph, 2010
Mean Wind Direction S
Rainfall 0.0 mm 30.8 mm (89%) 0.4 mm, 2014
Maximum Hourly Rain n/a 0.4, 2014
Maximum 10-min Rain n/a 0.4, 2014
Maximum Rain Rate n/a 1.5, 2014
Minimum Dew Point 8.9 °C 00:05 4.0 °C 9.5 °C, 2010 1.2 °C, 2015
Maximum Dew Point 12.2 °C 18:12 10.1 °C 15.1 °C, 2010 7.6 °C, 2015
Mean Dew Point 11.1 °C 7.2 °C 12.2 °C, 2010 3.8 °C, 2015
Measure Value Time Month cumul. Record High Record Low
Night Minimum (21-09) 13.5 °C 03:47 10.0 °C 13.5 °C, 2016 5.5 °C, 2015
Day Maximum (09-21) 17.7 °C 14:17 19.1 °C 24.3 °C, 2010 14.1 °C, 2013
Max 10m Temp Rise 0.5 °C 11:15 0.6 °C 1.7 °C, 2010 0.4 °C, 2012
Max 1hr Temp Rise 1.0 °C 13:35 2.4 °C 5.7 °C, 2011 1.0 °C, 2016
Max 1hr Hum Rise 8% 17:08 9% 14%, 2018 4%, 2012
Max 10m Temp Fall 0.3 °C 14:49 0.5 °C 1.0 °C, 2010 0.2 °C, 2012
Max 1hr Temp Fall 0.9 °C 15:25 1.8 °C 2.0 °C, 2018 0.7 °C, 2012
Max 1hr Hum Fall 6% 14:01 11% 25%, 2010 5%, 2012
Max 10m Wind Speed 7.0 mph 15:48 8.2 mph 9.4 mph, 2011 6.6 mph, 2018
Minimum Feels-like 14.7 °C 01:26 9.7 °C 14.8 °C, 2010 3.0 °C, 2015
Maximum Feels-like 19.5 °C 13:56 20.1 °C 26.9 °C, 2010 17.9 °C, 2012
Mean Feels-like 17.1 °C 15.2 °C 20.5 °C, 2010 12.5 °C, 2012
Air-frost Hrs 0 hrs 0 hrs 0 hrs, 2009 0 hrs, 2009
Measure Value (anomaly) Month cumul. Record High Record Low
Temperature Range 4.2 °C (-4.2) 8.7 °C (+0.2) 14.6 °C (+6.2), 2015 4.2 °C (-4.2), 2016
Humidity Range 24% 36% 53%, 2009 17%, 2013
Pressure Range 6 hPa 6 hPa 10 hPa, 2014 2 hPa, 2012
Measure Value [% of max] Month cumul. Record High Record Low
Sun Hours 0.4 [3%]140 hrs (110%) [48%] 13.5 [94%], 2011 0.4 [3%], 2016
Wet Hours 0.228 hrs (104%) [5.6%] 0.5, 2014 0, 2009
Cloud Cover Overcast with periods of Mostly Cloudy
Events None
Comments 1630 Shower
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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