Daily Report for 9th September 2018

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Measure Value (anomaly) Time Month cumul. Record High Record Low
Minimum Temperature 14.7 °C (+3.0) 05:46 11.4 °C (-0.6) 15.7 °C (+4.0), 2011 9.3 °C (-2.4), 2013
Maximum Temperature 23.2 °C (+3.2) 16:06 21.5 °C (+1.0) 27.6 °C (+7.6), 2012 12.9 °C (-7.1), 2013
Mean Temperature 18.2 °C (+3.1) 16.3 °C (+0.2) 18.5 °C, 2011 11.1 °C, 2013
Minimum Humidity 52% 18:19 50% 84%, 2013 30%, 2012
Maximum Humidity 86% 05:31 90% 96%, 2011 82%, 2009
Mean Humidity 72% 72% 92%, 2013 60%, 2012
Minimum Pressure 1017 hPa 13:36 1019 hPa 1021 hPa, 2009 996 hPa, 2017
Maximum Pressure 1021 hPa 23:54 1023 hPa 1033 hPa, 2009 1002 hPa, 2017
Mean Pressure 1018 hPa 1021 hPa 1027 hPa, 2009 998 hPa, 2017
Mean Wind Speed 5.8 mph (+1.9) 3.4 mph (-0.5) 11.4 mph, 2016 1.7 mph, 2014
Maximum Wind Speed 15.0 mph 12:54 10.8 mph 21.9 mph, 2016 7.8 mph, 2014
Maximum Gust 25.3 mph 13:15 17.1 mph 33.9 mph, 2016 10.7 mph, 2014
Mean Wind Direction WSW
Rainfall 0.0 mm 0.0 mm (0%) 6.8 mm, 2013
Maximum Hourly Rain n/a 3.6, 2011
Maximum 10-min Rain n/a 1.9, 2011
Maximum Rain Rate n/a 20, 2011
Minimum Dew Point 11.3 °C 18:39 8.7 °C 14.6 °C, 2011 5.4 °C, 2009
Maximum Dew Point 14.6 °C 12:07 13.2 °C 17.7 °C, 2011 11.9 °C, 2017
Mean Dew Point 12.8 °C 10.8 °C 15.9 °C, 2011 9.1 °C, 2009
Measure Value Time Month cumul. Record High Record Low
Night Minimum (21-09) 14.7 °C 05:46 11.4 °C 15.7 °C, 2011 9.3 °C, 2013
Day Maximum (09-21) 23.2 °C 16:07 21.5 °C 27.6 °C, 2012 12.9 °C, 2013
Max 10m Temp Rise 0.7 °C 10:27 0.6 °C 0.9 °C, 2012 0.3 °C, 2011
Max 1hr Temp Rise 2.1 °C 12:52 2.7 °C 4.7 °C, 2012 1.0 °C, 2013
Max 1hr Hum Rise 7% 19:27 9% 19%, 2017 3%, 2011
Max 10m Temp Fall 0.4 °C 18:33 0.4 °C 0.9 °C, 2017 0.2 °C, 2013
Max 1hr Temp Fall 1.6 °C 19:01 1.7 °C 2.8 °C, 2012 0.9 °C, 2013
Max 1hr Hum Fall 11% 13:15 13% 26%, 2015 5%, 2013
Max 10m Wind Speed 11.4 mph 13:15 8.0 mph 17.2 mph, 2016 5.6 mph, 2014
Minimum Feels-like 17.0 °C 06:29 11.9 °C 19.4 °C, 2011 7.8 °C, 2013
Maximum Feels-like 26.5 °C 16:07 23.6 °C 28.4 °C, 2012 15.2 °C, 2013
Mean Feels-like 20.9 °C 18.0 °C 23.1 °C, 2011 12.3 °C, 2013
Air-frost Hrs 0 hrs 0 hrs 0 hrs, 2009 0 hrs, 2009
Measure Value (anomaly) Month cumul. Record High Record Low
Temperature Range 8.5 °C (+0.2) 10.2 °C (+1.6) 17.5 °C (+9.2), 2012 3.6 °C (-4.7), 2013
Humidity Range 34% 41% 54%, 2012 11%, 2013
Pressure Range 4 hPa 4 hPa 12 hPa, 2009 2 hPa, 2011
Measure Value [% of max] Month cumul. Record High Record Low
Sun Hours 4.3 [36%]61 hrs (138%) [56%] 10 [84%], 2012 0.3 [3%], 2013
Wet Hours 00 hrs (0%) [0%] 5, 2013 0, 2009
Cloud Cover am: Mostly Cloudy
pm: Partly Cloudy
Events None
Comments -
Extra Comments
Issues None known
Observer Absent? Yes - observations may be unreliable
Pond Temperature (Heath) 0.0 °C
Notes
Times of extremes are computed using the midpoint of the longest continuous period at that extreme value.
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 (entered with a delay of 1-10 days); their reliablity is questionable and they are provided for interest only.
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