Daily Report for 14th September 2017

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Measure Value (anomaly) Time Month cumul. Record High Record Low
Minimum Temperature 8.0 °C (-3.3) 06:48 10.9 °C (-0.8) 19.0 °C (+7.7), 2016 8.0 °C (-3.3), 2013
Maximum Temperature 16.8 °C (-2.2) 14:28 19.0 °C (-1.0) 27.0 °C (+7.9), 2016 13.6 °C (-5.5), 2013
Mean Temperature 11.8 °C (-2.8) 14.9 °C (-0.9) 23.1 °C, 2016 11.1 °C, 2013
Minimum Humidity 55% 14:48 58% 81%, 2010 43%, 2011
Maximum Humidity 89% 05:52 91% 98%, 2013 80%, 2016
Mean Humidity 77% 77% 92%, 2013 64%, 2011
Minimum Pressure 1001 hPa 01:46 1004 hPa 1023 hPa, 2009 991 hPa, 2015
Maximum Pressure 1014 hPa 23:00 1012 hPa 1028 hPa, 2009 1000 hPa, 2015
Mean Pressure 1007 hPa 1008 hPa 1026 hPa, 2009 994 hPa, 2015
Mean Wind Speed 5.7 mph (+1.8) 5.4 mph (+1.5) 7.7 mph, 2010 3.6 mph, 2013
Maximum Wind Speed 14.7 mph 14:20 14.8 mph 19.4 mph, 2015 10.5 mph, 2014
Maximum Gust 21.9 mph 14:21 23.0 mph 25.9 mph, 2015 15.2 mph, 2014
Mean Wind Direction WNW
Rainfall 0.6 mm 27.3 mm (103%) 6.7 mm, 2015
Maximum Hourly Rain 0.6 mm 18:26 3.7 mm, 2015
Maximum 10-min Rain 0.4 mm 18:11 1.6 mm, 2015
Maximum Rain Rate 6 mm/h 18:11 30 mm/h, 2015
Minimum Dew Point 6.3 °C 07:07 8.2 °C 12.5 °C, 2016 5.6 °C, 2011
Maximum Dew Point 9.8 °C 18:14 13.3 °C 17.0 °C, 2016 9.8 °C, 2011
Mean Dew Point 7.8 °C 10.5 °C 16.0 °C, 2016 7.3 °C, 2011
Measure Value Time Month cumul. Record High Record Low
Night Minimum (21-09) 8.0 °C 06:48 11.2 °C 19.0 °C, 2016 8.0 °C, 2017
Day Maximum (09-21) 16.8 °C 14:28 19.0 °C 27.0 °C, 2016 13.6 °C, 2013
Max 10m Temp Rise 0.5 °C 12:38 0.6 °C 0.7 °C, 2011 0.2 °C, 2010
Max 1hr Temp Rise 1.8 °C 10:50 2.1 °C 3.0 °C, 2011 0.7 °C, 2010
Max 1hr Hum Rise 13% 19:05 12% 15%, 2016 3%, 2010
Max 10m Temp Fall 0.7 °C 15:53 0.7 °C 1.0 °C, 2016 0.3 °C, 2018
Max 1hr Temp Fall 2.4 °C 18:59 1.9 °C 2.8 °C, 2015 0.9 °C, 2018
Max 1hr Hum Fall 8% 12:46 10% 19%, 2012 2%, 2010
Max 10m Wind Speed 11.0 mph 10:16 11.0 mph 14.0 mph, 2015 7.7 mph, 2014
Minimum Feels-like 4.8 °C 06:58 11.2 °C 24.1 °C, 2016 4.8 °C, 2017
Maximum Feels-like 17.5 °C 14:27 21.2 °C 33.1 °C, 2016 16.1 °C, 2013
Mean Feels-like 11.5 °C 16.4 °C 27.7 °C, 2016 11.5 °C, 2017
Air-frost Hrs 0 hrs 0 hrs 0 hrs, 2009 0 hrs, 2009
Measure Value (anomaly) Month cumul. Record High Record Low
Temperature Range 8.8 °C (+1.1) 8.1 °C (-0.2) 8.8 °C (+1.1), 2017 5.6 °C (-2.1), 2013
Humidity Range 34% 33% 41%, 2011 12%, 2010
Pressure Range 13 hPa 9 hPa 13 hPa, 2017 3 hPa, 2018
Measure Value [% of max] Month cumul. Record High Record Low
Sun Hours 3.4 [29%]63 hrs (93%) [38%] 11.4 [99%], 2016 0 [0%], 2010
Wet Hours 0.5
[Mean rain rate: 1.2 mm/h]
29 hrs (152%) [8.6%] 6, 2013 0, 2009
Cloud Cover Mostly Cloudy
Events None
Comments eve Showers
Extra Comments 1830 Rainbow
Issues None known
Observer Absent? Yes - observations may be unreliable
Notes
Times of extremes are computed using the midpoint of the longest continuous period at that extreme value.
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 (entered with a delay of 1-10 days); their reliablity is questionable and they are provided for interest only.
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Webcam Summary of Cloud Conditions

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