Daily Report for 19th September 2017

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Measure Value (anomaly) Time Month cumul. Record High Record Low
Minimum Temperature 8.1 °C (-2.8) 07:30 10.2 °C (-1.3) 15.5 °C (+4.6), 2014 6.9 °C (-4.0), 2012
Maximum Temperature 14.7 °C (-3.4) 14:36 18.2 °C (-1.4) 22.6 °C (+4.5), 2014 14.7 °C (-3.4), 2017
Mean Temperature 10.9 °C (-3.1) 14.0 °C (-1.4) 18.4 °C, 2014 10.9 °C, 2017
Minimum Humidity 65% 16:33 59% 70%, 2014 38%, 2012
Maximum Humidity 96% 08:36 92% 96%, 2014 80%, 2010
Mean Humidity 85% 78% 88%, 2014 58%, 2012
Minimum Pressure 1020 hPa 03:30 1007 hPa 1021 hPa, 2016 1007 hPa, 2013
Maximum Pressure 1022 hPa 16:45 1014 hPa 1028 hPa, 2015 1013 hPa, 2013
Mean Pressure 1021 hPa 1010 hPa 1024 hPa, 2015 1010 hPa, 2013
Mean Wind Speed 1.7 mph (-2.2) 4.6 mph (+0.7) 6.7 mph, 2010 1.3 mph, 2015
Maximum Wind Speed 7.3 mph 15:59 13.1 mph 15.4 mph, 2010 6.3 mph, 2009
Maximum Gust 10.4 mph 16:00 20.5 mph 22.8 mph, 2010 8.1 mph, 2015
Mean Wind Direction NW
Rainfall 1.4 mm 30.5 mm (84%) 5.4 mm, 2014
Maximum Hourly Rain 1.0 mm 01:02 4.7 mm, 2014
Maximum 10-min Rain 0.4 mm 00:14 3.6 mm, 2014
Maximum Rain Rate 3.0 mm/h 00:18 66 mm/h, 2014
Minimum Dew Point 6.5 °C 21:24 7.8 °C 14.7 °C, 2014 1.5 °C, 2012
Maximum Dew Point 10.1 °C 13:00 12.6 °C 19.0 °C, 2014 6.2 °C, 2012
Mean Dew Point 8.3 °C 10.0 °C 16.3 °C, 2014 3.4 °C, 2012
Measure Value Time Month cumul. Record High Record Low
Night Minimum (21-09) 8.1 °C 07:30 10.5 °C 15.5 °C, 2014 6.9 °C, 2012
Day Maximum (09-21) 14.7 °C 14:36 18.2 °C 22.6 °C, 2014 14.7 °C, 2017
Max 10m Temp Rise 0.6 °C 22:30 0.6 °C 0.8 °C, 2013 0.4 °C, 2016
Max 1hr Temp Rise 1.9 °C 23:14 2.0 °C 3.1 °C, 2011 1.2 °C, 2010
Max 1hr Hum Rise 10% 20:11 12% 12%, 2013 5%, 2010
Max 10m Temp Fall 0.6 °C 19:29 0.7 °C 0.8 °C, 2012 0.2 °C, 2010
Max 1hr Temp Fall 2.7 °C 19:47 1.9 °C 2.7 °C, 2017 0.8 °C, 2010
Max 1hr Hum Fall 11% 12:33 10% 15%, 2012 4%, 2010
Max 10m Wind Speed 5.3 mph 15:51 9.6 mph 10.8 mph, 2013 3.6 mph, 2015
Minimum Feels-like 6.4 °C 22:17 10.1 °C 19.3 °C, 2014 4.7 °C, 2012
Maximum Feels-like 15.6 °C 14:26 20.1 °C 29.4 °C, 2014 15.6 °C, 2017
Mean Feels-like 11.1 °C 15.3 °C 23.3 °C, 2014 11.1 °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 6.6 °C (-0.6) 7.9 °C (-0.1) 10.1 °C (+2.9), 2009 5.1 °C (-2.1), 2010
Humidity Range 31% 33% 42%, 2012 18%, 2010
Pressure Range 2 hPa 7 hPa 9 hPa, 2011 2 hPa, 2016
Measure Value [% of max] Month cumul. Record High Record Low
Sun Hours 4 [36%]80 hrs (89%) [36%] 8.5 [76%], 2012 0.3 [3%], 2010
Wet Hours 3
[Mean rain rate: 0.5 mm/h]
35 hrs (135%) [7.7%] 3, 2013 0, 2009
Cloud Cover am: Mostly Cloudy
pm: Partly Cloudy
Events None
Comments o.night Rain
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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