Daily Report for 13th August 2017

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Measure Value (anomaly) Time Month cumul. Record High Record Low
Minimum Temperature 11.7 °C (-1.8) 06:14 13.5 °C (-0.1) 16.1 °C (+2.7), 2011 11.5 °C (-1.9), 2013
Maximum Temperature 22.9 °C (+0.5) 18:06 20.7 °C (-1.8) 25.1 °C (+2.7), 2016 18.1 °C (-4.3), 2010
Mean Temperature 17.7 °C (-0.6) 17.1 °C (-1.0) 19.6 °C, 2016 14.3 °C, 2010
Minimum Humidity 33% 18:37 52% 69%, 2015 33%, 2017
Maximum Humidity 70% 07:13 82% 93%, 2009 70%, 2017
Mean Humidity 51% 68% 87%, 2015 51%, 2017
Minimum Pressure 1019 hPa 00:11 1014 hPa 1021 hPa, 2016 1004 hPa, 2014
Maximum Pressure 1023 hPa 10:27 1019 hPa 1024 hPa, 2016 1008 hPa, 2014
Mean Pressure 1021 hPa 1016 hPa 1022 hPa, 2013 1005 hPa, 2014
Mean Wind Speed 1.6 mph (-2.4) 4.4 mph (+0.4) 7.0 mph, 2016 1.6 mph, 2017
Maximum Wind Speed 6.8 mph 17:23 12.2 mph 17.6 mph, 2016 6.8 mph, 2017
Maximum Gust 10.5 mph 00:36 18.9 mph 29.0 mph, 2016 10.0 mph, 2009
Mean Wind Direction NNW
Rainfall 0.0 mm 50.8 mm (229%) 10.4 mm, 2015
Maximum Hourly Rain n/a 5, 2015
Maximum 10-min Rain n/a 2.5, 2010
Maximum Rain Rate n/a 30, 2010
Minimum Dew Point 4.5 °C 19:56 8.1 °C 11.8 °C, 2011 4.5 °C, 2017
Maximum Dew Point 9.6 °C 09:02 13.2 °C 18.1 °C, 2015 9.6 °C, 2017
Mean Dew Point 6.9 °C 10.7 °C 15.8 °C, 2015 6.9 °C, 2017
Measure Value Time Month cumul. Record High Record Low
Night Minimum (21-09) 11.7 °C 06:14 13.7 °C 16.1 °C, 2011 11.5 °C, 2013
Day Maximum (09-21) 22.9 °C 18:06 20.7 °C 25.1 °C, 2016 18.1 °C, 2010
Max 10m Temp Rise 0.6 °C 17:09 0.5 °C 1.0 °C, 2009 0.4 °C, 2015
Max 1hr Temp Rise 2.8 °C 08:01 2.0 °C 2.8 °C, 2017 1.3 °C, 2009
Max 1hr Hum Rise 9% 20:41 7% 13%, 2010 5%, 2016
Max 10m Temp Fall 0.7 °C 20:31 0.6 °C 1.2 °C, 2009 0.3 °C, 2015
Max 1hr Temp Fall 2.5 °C 23:06 1.8 °C 2.5 °C, 2017 1.0 °C, 2015
Max 1hr Hum Fall 9% 10:02 9% 15%, 2013 7%, 2015
Max 10m Wind Speed 4.4 mph 00:44 9.0 mph 12.2 mph, 2016 4.4 mph, 2017
Minimum Feels-like 11.7 °C 06:08 14.5 °C 19.1 °C, 2011 11.7 °C, 2013
Maximum Feels-like 22.9 °C 17:56 22.9 °C 27.6 °C, 2016 20.4 °C, 2013
Mean Feels-like 17.9 °C 18.7 °C 22.4 °C, 2012 16.4 °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 11.2 °C (+2.2) 7.2 °C (-1.8) 11.2 °C (+2.2), 2017 4.2 °C (-4.8), 2015
Humidity Range 37% 29% 46%, 2009 24%, 2010
Pressure Range 4 hPa 6 hPa 12 hPa, 2015 1 hPa, 2010
Measure Value [% of max] Month cumul. Record High Record Low
Sun Hours 13 [97%]67 hrs (84%) [37%] 13 [97%], 2017 0 [0%], 2015
Wet Hours 023 hrs (144%) [7.4%] 4, 2015 0, 2012
Cloud Cover am: Sunny
pm: Mostly Sunny
Events Maximum possible sunshine
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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