Daily Report for 26th September 2017

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Measure Value (anomaly) Time Month cumul. Record High Record Low
Minimum Temperature 13.7 °C (+3.3) 06:18 10.6 °C (-0.7) 15.0 °C (+4.6), 2011 7.3 °C (-3.1), 2015
Maximum Temperature 20.0 °C (+2.8) 14:19 18.4 °C (-0.6) 21.1 °C (+3.9), 2011 13.8 °C (-3.4), 2010
Mean Temperature 16.1 °C (+3.0) 14.3 °C (-0.7) 17.7 °C, 2011 10.4 °C, 2010
Minimum Humidity 65% 17:03 59% 75%, 2012 48%, 2015
Maximum Humidity 93% 07:40 92% 93%, 2010 84%, 2016
Mean Humidity 82% 79% 85%, 2012 70%, 2015
Minimum Pressure 1021 hPa 09:16 1010 hPa 1026 hPa, 2009 989 hPa, 2012
Maximum Pressure 1023 hPa 16:45 1016 hPa 1031 hPa, 2015 999 hPa, 2012
Mean Pressure 1022 hPa 1013 hPa 1028 hPa, 2015 992 hPa, 2012
Mean Wind Speed 2.5 mph (-1.4) 4.4 mph (+0.5) 6.0 mph, 2010 1.1 mph, 2009
Maximum Wind Speed 8.4 mph 11:18 12.6 mph 15.3 mph, 2016 4.5 mph, 2009
Maximum Gust 11.5 mph 11:14 19.4 mph 22.6 mph, 2016 6.4 mph, 2009
Mean Wind Direction ENE
Rainfall 0.0 mm 31.9 mm (65%) 4.1 mm, 2012
Maximum Hourly Rain n/a 3, 2011
Maximum 10-min Rain n/a 2.5, 2016
Maximum Rain Rate n/a 66, 2016
Minimum Dew Point 10.9 °C 18:37 8.2 °C 13.3 °C, 2011 2.9 °C, 2010
Maximum Dew Point 14.6 °C 11:34 12.8 °C 16.7 °C, 2011 10.0 °C, 2015
Mean Dew Point 12.9 °C 10.4 °C 14.5 °C, 2011 6.5 °C, 2015
Measure Value Time Month cumul. Record High Record Low
Night Minimum (21-09) 13.7 °C 06:18 10.8 °C 16.3 °C, 2011 7.3 °C, 2015
Day Maximum (09-21) 20.0 °C 14:19 18.4 °C 21.1 °C, 2011 13.8 °C, 2010
Max 10m Temp Rise 0.5 °C 10:04 0.6 °C 0.7 °C, 2015 0.4 °C, 2012
Max 1hr Temp Rise 1.5 °C 08:57 2.0 °C 3.1 °C, 2015 1.4 °C, 2012
Max 1hr Hum Rise 10% 20:42 11% 15%, 2016 5%, 2013
Max 10m Temp Fall 0.4 °C 14:46 0.6 °C 1.3 °C, 2016 0.3 °C, 2013
Max 1hr Temp Fall 1.1 °C 19:53 1.7 °C 2.7 °C, 2014 1.0 °C, 2010
Max 1hr Hum Fall 11% 12:43 11% 12%, 2016 3%, 2010
Max 10m Wind Speed 5.4 mph 11:26 9.2 mph 12.1 mph, 2016 2.9 mph, 2009
Minimum Feels-like 16.2 °C 05:02 10.7 °C 18.1 °C, 2011 4.3 °C, 2010
Maximum Feels-like 23.3 °C 14:13 20.4 °C 25.2 °C, 2011 14.7 °C, 2010
Mean Feels-like 18.9 °C 15.8 °C 21.4 °C, 2011 10.3 °C, 2010
Air-frost Hrs 0 hrs 0 hrs 0 hrs, 2009 0 hrs, 2009
Measure Value (anomaly) Month cumul. Record High Record Low
Temperature Range 6.3 °C (-0.5) 7.8 °C (+0.1) 11.1 °C (+4.3), 2009 5.1 °C (-1.7), 2012
Humidity Range 28% 33% 41%, 2015 18%, 2012
Pressure Range 2 hPa 6 hPa 10 hPa, 2011 2 hPa, 2016
Measure Value [% of max] Month cumul. Record High Record Low
Sun Hours 4 [37%]107 hrs (89%) [36%] 8 [74%], 2009 1 [9%], 2011
Wet Hours 039 hrs (108%) [6.2%] 6, 2012 0, 2009
Cloud Cover Hazy or Partly Cloudy
Events None
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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