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 11 [102%]165 hrs (132%) [53%] 11 [102%], 2018 0.1 [1%], 2010
Wet Hours 029 hrs (79%) [4.5%] 4, 2017 0, 2009
Cloud Cover unknown
Events Maximum possible sunshine
Comments blr
Extra Comments
Issues None known
Observer Absent? No
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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