Daily Report for 26th September 2018

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Measure Value (anomaly) Time Month cumul. Record High Record Low
Minimum Temperature 7.7 °C (-2.7) 04:30 11.5 °C (+0.2) 15.0 °C (+4.6), 2011 7.3 °C (-3.1), 2015
Maximum Temperature 23.8 °C (+6.6) 17:16 20.3 °C (+1.3) 23.8 °C (+6.6), 2018 13.8 °C (-3.4), 2010
Mean Temperature 15.2 °C (+1.9) 15.7 °C (+0.8) 17.7 °C, 2011 10.4 °C, 2010
Minimum Humidity 33% 17:20 53% 75%, 2012 33%, 2018
Maximum Humidity 91% 05:12 90% 93%, 2010 84%, 2016
Mean Humidity 64% 74% 85%, 2012 64%, 2018
Minimum Pressure 1030 hPa 17:36 1017 hPa 1030 hPa, 2018 989 hPa, 2012
Maximum Pressure 1035 hPa 00:10 1024 hPa 1035 hPa, 2018 999 hPa, 2012
Mean Pressure 1032 hPa 1021 hPa 1032 hPa, 2018 992 hPa, 2012
Mean Wind Speed 2.3 mph (-1.6) 4.7 mph (+0.8) 6.0 mph, 2010 1.1 mph, 2009
Maximum Wind Speed 9.7 mph 09:44 13.6 mph 15.3 mph, 2016 4.5 mph, 2009
Maximum Gust 12.5 mph 11:52 21.0 mph 22.6 mph, 2016 6.4 mph, 2009
Mean Wind Direction WSW
Rainfall 0.0 mm 26.0 mm (53%) 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 5.6 °C 00:56 8.5 °C 13.3 °C, 2011 2.9 °C, 2010
Maximum Dew Point 11.3 °C 23:55 13.1 °C 16.7 °C, 2011 10.0 °C, 2015
Mean Dew Point 7.7 °C 10.7 °C 14.5 °C, 2011 6.5 °C, 2015
Measure Value Time Month cumul. Record High Record Low
Night Minimum (21-09) 7.7 °C 04:44 11.7 °C 16.3 °C, 2011 7.3 °C, 2015
Day Maximum (09-21) 23.8 °C 17:16 20.1 °C 23.8 °C, 2018 13.8 °C, 2010
Max 10m Temp Rise 0.9 °C 07:40 0.6 °C 0.9 °C, 2018 0.4 °C, 2012
Max 1hr Temp Rise 3.5 °C 08:26 2.3 °C 3.5 °C, 2018 1.4 °C, 2012
Max 1hr Hum Rise 13% 22:08 9% 15%, 2016 5%, 2013
Max 10m Temp Fall 1.0 °C 18:41 0.5 °C 1.3 °C, 2016 0.3 °C, 2013
Max 1hr Temp Fall 4.0 °C 19:27 1.7 °C 4.0 °C, 2018 1.0 °C, 2010
Max 1hr Hum Fall 15% 12:00 12% 15%, 2018 3%, 2010
Max 10m Wind Speed 6.7 mph 11:36 9.8 mph 12.1 mph, 2016 2.9 mph, 2009
Minimum Feels-like 6.4 °C 04:26 12.4 °C 18.1 °C, 2011 4.3 °C, 2010
Maximum Feels-like 23.8 °C 17:52 22.4 °C 25.2 °C, 2011 14.7 °C, 2010
Mean Feels-like 15.5 °C 17.5 °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 16.1 °C (+9.3) 8.8 °C (+1.0) 16.1 °C (+9.3), 2018 5.1 °C (-1.7), 2012
Humidity Range 58% 38% 58%, 2018 18%, 2012
Pressure Range 4 hPa 6 hPa 10 hPa, 2011 2 hPa, 2016
Measure Value [% of max] Month cumul. Record High Record Low
Sun Hours 11 [102%]154 hrs (127%) [51%] 11 [102%], 2018 1 [9%], 2011
Wet Hours 029 hrs (82%) [4.6%] 6, 2012 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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