Daily Report for 27th September 2018

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Measure Value (anomaly) Time Month cumul. Record High Record Low
Minimum Temperature 10.3 °C (-0.1) 07:10 11.5 °C (+0.2) 13.3 °C (+2.9), 2017 8.7 °C (-1.7), 2015
Maximum Temperature 23.6 °C (+6.5) 16:22 20.4 °C (+1.5) 23.6 °C (+6.5), 2018 15.7 °C (-1.4), 2010
Mean Temperature 17.0 °C (+3.2) 15.7 °C (+0.9) 17.0 °C, 2018 12.6 °C, 2012
Minimum Humidity 29% 16:25 52% 80%, 2010 29%, 2018
Maximum Humidity 90% 07:33 90% 98%, 2010 84%, 2016
Mean Humidity 62% 74% 91%, 2010 62%, 2018
Minimum Pressure 1023 hPa 17:05 1018 hPa 1031 hPa, 2015 999 hPa, 2012
Maximum Pressure 1031 hPa 00:02 1024 hPa 1036 hPa, 2015 1013 hPa, 2012
Mean Pressure 1026 hPa 1021 hPa 1033 hPa, 2015 1007 hPa, 2012
Mean Wind Speed 2.2 mph (-1.7) 4.6 mph (+0.7) 6.8 mph, 2016 0.8 mph, 2014
Maximum Wind Speed 9.6 mph 15:09 13.5 mph 20.8 mph, 2016 4.9 mph, 2014
Maximum Gust 13.7 mph 13:23 20.7 mph 33.9 mph, 2016 7.8 mph, 2014
Mean Wind Direction WNW
Rainfall 0.0 mm 26.0 mm (51%) 12.6 mm, 2017
Maximum Hourly Rain n/a 4.4, 2017
Maximum 10-min Rain n/a 1.2, 2017
Maximum Rain Rate n/a 12, 2017
Minimum Dew Point 4.3 °C 16:13 8.3 °C 12.5 °C, 2017 4.3 °C, 2018
Maximum Dew Point 11.5 °C 08:05 13.0 °C 15.8 °C, 2011 10.9 °C, 2012
Mean Dew Point 9.0 °C 10.6 °C 13.6 °C, 2011 7.9 °C, 2015
Measure Value Time Month cumul. Record High Record Low
Night Minimum (21-09) 10.3 °C 07:10 11.7 °C 13.3 °C, 2017 8.7 °C, 2015
Day Maximum (09-21) 23.6 °C 16:22 20.3 °C 23.6 °C, 2018 15.7 °C, 2010
Max 10m Temp Rise 0.8 °C 07:41 0.6 °C 0.8 °C, 2018 0.3 °C, 2011
Max 1hr Temp Rise 3.3 °C 08:07 2.3 °C 3.3 °C, 2018 1.3 °C, 2011
Max 1hr Hum Rise 13% 19:31 10% 17%, 2012 3%, 2010
Max 10m Temp Fall 0.8 °C 18:43 0.5 °C 0.8 °C, 2018 0.1 °C, 2010
Max 1hr Temp Fall 3.1 °C 19:30 1.8 °C 3.1 °C, 2018 0.4 °C, 2010
Max 1hr Hum Fall 19% 10:32 12% 19%, 2018 5%, 2016
Max 10m Wind Speed 7.9 mph 13:27 9.7 mph 14.5 mph, 2016 3.7 mph, 2014
Minimum Feels-like 10.9 °C 07:05 12.3 °C 15.8 °C, 2017 7.2 °C, 2015
Maximum Feels-like 23.9 °C 14:59 22.5 °C 24.5 °C, 2011 16.7 °C, 2012
Mean Feels-like 17.9 °C 17.5 °C 19.4 °C, 2017 13.3 °C, 2015
Air-frost Hrs 0 hrs 0 hrs 0 hrs, 2009 0 hrs, 2009
Measure Value (anomaly) Month cumul. Record High Record Low
Temperature Range 13.3 °C (+6.5) 9.0 °C (+1.3) 13.3 °C (+6.5), 2018 5.0 °C (-1.8), 2010
Humidity Range 61% 39% 61%, 2018 13%, 2016
Pressure Range 8 hPa 6 hPa 14 hPa, 2012 2 hPa, 2009
Measure Value [% of max] Month cumul. Record High Record Low
Sun Hours 10.8 [101%]165 hrs (132%) [53%] 10.8 [101%], 2018 0.1 [1%], 2010
Wet Hours 029 hrs (79%) [4.5%] 4, 2017 0, 2009
Cloud Cover Sunny
Events Maximum possible sunshine
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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