Daily Report for 10th September 2018

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Measure Value (anomaly) Time Month cumul. Record High Record Low
Minimum Temperature 14.0 °C (+2.4) 06:57 11.6 °C (-0.3) 16.8 °C (+5.2), 2012 8.8 °C (-2.8), 2013
Maximum Temperature 21.1 °C (+1.3) 16:31 21.5 °C (+1.1) 22.7 °C (+2.9), 2011 16.5 °C (-3.3), 2013
Mean Temperature 17.4 °C (+1.8) 16.4 °C (+0.4) 19.2 °C, 2011 12.3 °C, 2013
Minimum Humidity 50% 15:02 50% 83%, 2016 37%, 2015
Maximum Humidity 87% 06:28 90% 96%, 2013 84%, 2012
Mean Humidity 71% 72% 93%, 2016 71%, 2009
Minimum Pressure 1020 hPa 00:06 1019 hPa 1033 hPa, 2009 992 hPa, 2017
Maximum Pressure 1023 hPa 09:55 1023 hPa 1038 hPa, 2009 1003 hPa, 2017
Mean Pressure 1021 hPa 1021 hPa 1036 hPa, 2009 999 hPa, 2017
Mean Wind Speed 6.2 mph (+2.3) 3.7 mph (-0.2) 9.2 mph, 2012 2.3 mph, 2014
Maximum Wind Speed 15.6 mph 23:21 11.3 mph 20.0 mph, 2017 9.4 mph, 2014
Maximum Gust 23.0 mph 23:32 17.7 mph 32.3 mph, 2017 12.8 mph, 2014
Mean Wind Direction WSW
Rainfall 0.0 mm 0.0 mm (0%) 4.2 mm, 2016
Maximum Hourly Rain n/a 1.3, 2016
Maximum 10-min Rain n/a 1, 2016
Maximum Rain Rate n/a 18, 2016
Minimum Dew Point 10.0 °C 14:43 8.8 °C 12.6 °C, 2011 4.8 °C, 2015
Maximum Dew Point 13.7 °C 23:50 13.2 °C 18.6 °C, 2011 11.0 °C, 2009
Mean Dew Point 11.8 °C 10.9 °C 16.3 °C, 2016 8.2 °C, 2009
Measure Value Time Month cumul. Record High Record Low
Night Minimum (21-09) 14.0 °C 06:52 11.6 °C 17.8 °C, 2011 8.8 °C, 2013
Day Maximum (09-21) 21.1 °C 16:18 21.5 °C 22.7 °C, 2011 16.5 °C, 2013
Max 10m Temp Rise 0.7 °C 13:19 0.6 °C 1.0 °C, 2013 0.2 °C, 2016
Max 1hr Temp Rise 2.0 °C 13:49 2.7 °C 3.5 °C, 2013 0.6 °C, 2016
Max 1hr Hum Rise 10% 19:46 10% 12%, 2017 4%, 2010
Max 10m Temp Fall 0.3 °C 18:32 0.4 °C 0.8 °C, 2012 0.2 °C, 2010
Max 1hr Temp Fall 1.3 °C 19:54 1.7 °C 2.0 °C, 2014 0.7 °C, 2010
Max 1hr Hum Fall 11% 09:43 13% 19%, 2015 3%, 2016
Max 10m Wind Speed 10.8 mph 23:27 8.3 mph 14.5 mph, 2017 6.4 mph, 2014
Minimum Feels-like 16.2 °C 06:40 12.3 °C 19.3 °C, 2012 6.0 °C, 2013
Maximum Feels-like 23.1 °C 16:40 23.5 °C 27.8 °C, 2011 17.0 °C, 2013
Mean Feels-like 19.5 °C 18.1 °C 23.8 °C, 2011 12.5 °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 7.1 °C (-1.1) 9.9 °C (+1.3) 9.8 °C (+1.6), 2009 3.9 °C (-4.3), 2012
Humidity Range 37% 40% 55%, 2015 10%, 2016
Pressure Range 3 hPa 4 hPa 11 hPa, 2017 2 hPa, 2012
Measure Value [% of max] Month cumul. Record High Record Low
Sun Hours 7 [59%]68 hrs (139%) [56%] 11 [93%], 2015 0 [0%], 2016
Wet Hours 00 hrs (0%) [0%] 7, 2016 0, 2009
Cloud Cover Hazy or Mostly Sunny
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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