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 0.4 °C, 2014
Max 1hr Temp Fall 2.4 °C 18:59 1.9 °C 2.8 °C, 2015 1.2 °C, 2012
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 4 hPa, 2011
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 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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