Daily Report for 13th September 2017

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Measure Value (anomaly) Time Month cumul. Record High Record Low
Minimum Temperature 11.2 °C (-0.2) 23:57 11.1 °C (-0.6) 17.7 °C (+6.3), 2016 7.8 °C (-3.6), 2012
Maximum Temperature 17.3 °C (-1.9) 11:56 19.2 °C (-0.9) 32.0 °C (+12.8), 2016 16.3 °C (-2.9), 2009
Mean Temperature 14.3 °C (-1.1) 15.1 °C (-0.8) 24.8 °C, 2016 13.2 °C, 2009
Minimum Humidity 57% 11:51 58% 91%, 2013 36%, 2016
Maximum Humidity 95% 00:43 91% 98%, 2013 78%, 2011
Mean Humidity 71% 76% 96%, 2013 62%, 2016
Minimum Pressure 993 hPa 02:46 1004 hPa 1027 hPa, 2009 993 hPa, 2017
Maximum Pressure 1002 hPa 23:00 1012 hPa 1029 hPa, 2009 1002 hPa, 2017
Mean Pressure 999 hPa 1008 hPa 1028 hPa, 2009 999 hPa, 2017
Mean Wind Speed 10.2 mph (+6.3) 5.4 mph (+1.5) 10.2 mph, 2017 2.3 mph, 2013
Maximum Wind Speed 24.2 mph 03:27 14.8 mph 24.2 mph, 2017 7.8 mph, 2013
Maximum Gust 41.5 mph 04:00 23.1 mph 41.5 mph, 2017 12.7 mph, 2013
Mean Wind Direction WSW
Rainfall 2.4 mm 26.7 mm (108%) 32.0 mm, 2013
Maximum Hourly Rain 1.8 mm 14:13 9.0 mm, 2013
Maximum 10-min Rain 1.8 mm 14:13 2.2 mm, 2013
Maximum Rain Rate 36 mm/h 14:10 42 mm/h, 2013
Minimum Dew Point 6.6 °C 20:13 8.3 °C 14.7 °C, 2016 4.4 °C, 2012
Maximum Dew Point 14.0 °C 01:05 13.6 °C 17.7 °C, 2016 9.0 °C, 2012
Mean Dew Point 9.0 °C 10.7 °C 16.3 °C, 2016 6.3 °C, 2012
Measure Value Time Month cumul. Record High Record Low
Night Minimum (21-09) * 12.4 °C * 07:41 11.4 °C 17.7 °C, 2016 7.8 °C, 2012
Day Maximum (09-21) 17.3 °C 11:56 19.2 °C 32.2 °C, 2016 16.3 °C, 2009
Max 10m Temp Rise 0.6 °C 15:11 0.6 °C 1.1 °C, 2016 0.2 °C, 2013
Max 1hr Temp Rise 2.3 °C 15:24 2.1 °C 3.8 °C, 2012 0.8 °C, 2013
Max 1hr Hum Rise 21% 14:41 12% 21%, 2017 3%, 2013
Max 10m Temp Fall 1.6 °C 14:14 0.7 °C 1.6 °C, 2017 0.3 °C, 2010
Max 1hr Temp Fall 2.8 °C 14:30 1.8 °C 2.8 °C, 2017 0.9 °C, 2010
Max 1hr Hum Fall 22% 15:42 10% 22%, 2017 1%, 2013
Max 10m Wind Speed 18.4 mph 04:03 11.0 mph 18.4 mph, 2017 6.4 mph, 2013
Minimum Feels-like 11.2 °C 23:55 11.7 °C 23.4 °C, 2016 5.5 °C, 2012
Maximum Feels-like 18.2 °C 01:05 21.5 °C 36.9 °C, 2016 17.6 °C, 2009
Mean Feels-like 15.2 °C 16.8 °C 29.6 °C, 2016 13.1 °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 6.1 °C (-1.8) 8.1 °C (-0.3) 14.3 °C (+6.4), 2016 4.8 °C (-3.1), 2013
Humidity Range 38% 33% 49%, 2016 7%, 2013
Pressure Range 9 hPa 8 hPa 10 hPa, 2015 2 hPa, 2009
Measure Value [% of max] Month cumul. Record High Record Low
Sun Hours 9 [77%]59 hrs (95%) [38%] 10 [86%], 2012 0 [0%], 2013
Wet Hours 1
[Mean rain rate: 2.4 mm/h]
29 hrs (160%) [9.1%] 15, 2013 0, 2009
Cloud Cover am: Sunny transitioned to Mostly Sunny
pm: Mostly Sunny with periods of Partly Cloudy
Events None
Comments day Showers
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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