Daily Report for 19th September 2018

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Measure Value (anomaly) Time Month cumul. Record High Record Low
Minimum Temperature 16.9 °C (+6.0) 23:48 12.4 °C (+0.9) 16.9 °C (+6.0), 2018 6.9 °C (-4.0), 2012
Maximum Temperature 21.8 °C (+3.7) 14:13 21.2 °C (+1.6) 22.6 °C (+4.5), 2014 14.7 °C (-3.4), 2017
Mean Temperature 19.0 °C (+4.8) 16.6 °C (+1.3) 19.0 °C, 2018 10.9 °C, 2017
Minimum Humidity 62% 15:40 52% 70%, 2014 38%, 2012
Maximum Humidity 88% 05:47 90% 96%, 2014 80%, 2010
Mean Humidity 77% 74% 88%, 2014 58%, 2012
Minimum Pressure 1012 hPa 04:56 1018 hPa 1021 hPa, 2016 1007 hPa, 2013
Maximum Pressure 1015 hPa 22:16 1022 hPa 1028 hPa, 2015 1013 hPa, 2013
Mean Pressure 1013 hPa 1020 hPa 1024 hPa, 2015 1010 hPa, 2013
Mean Wind Speed 9.6 mph (+5.7) 4.7 mph (+0.8) 9.6 mph, 2018 1.3 mph, 2015
Maximum Wind Speed 24.1 mph 13:14 13.2 mph 24.1 mph, 2018 6.3 mph, 2009
Maximum Gust 40.3 mph 12:26 20.9 mph 40.3 mph, 2018 8.1 mph, 2015
Mean Wind Direction SW
Rainfall 0.0 mm 4.0 mm (11%) 5.4 mm, 2014
Maximum Hourly Rain n/a 4.7, 2014
Maximum 10-min Rain n/a 3.6, 2014
Maximum Rain Rate n/a 66, 2014
Minimum Dew Point 13.7 °C 16:47 9.2 °C 14.7 °C, 2014 1.5 °C, 2012
Maximum Dew Point 16.2 °C 11:23 13.8 °C 19.0 °C, 2014 6.2 °C, 2012
Mean Dew Point 14.9 °C 11.5 °C 16.3 °C, 2014 3.4 °C, 2012
Measure Value Time Month cumul. Record High Record Low
Night Minimum (21-09) * 17.1 °C * 05:53 12.6 °C 17.1 °C, 2018 6.9 °C, 2012
Day Maximum (09-21) 21.8 °C 14:25 21.1 °C 22.6 °C, 2014 14.7 °C, 2017
Max 10m Temp Rise 0.8 °C 11:41 0.6 °C 0.8 °C, 2013 0.4 °C, 2016
Max 1hr Temp Rise 2.3 °C 12:09 2.4 °C 3.1 °C, 2011 1.2 °C, 2010
Max 1hr Hum Rise 7% 05:41 9% 12%, 2013 5%, 2010
Max 10m Temp Fall 0.3 °C 05:25 0.4 °C 0.8 °C, 2012 0.2 °C, 2010
Max 1hr Temp Fall 1.2 °C 23:12 1.6 °C 2.7 °C, 2017 0.8 °C, 2010
Max 1hr Hum Fall 14% 12:12 12% 15%, 2012 4%, 2010
Max 10m Wind Speed 17.8 mph 15:42 9.6 mph 17.8 mph, 2018 3.6 mph, 2015
Minimum Feels-like 20.5 °C 23:37 13.5 °C 20.5 °C, 2018 4.7 °C, 2012
Maximum Feels-like 25.9 °C 13:24 23.6 °C 29.4 °C, 2014 15.6 °C, 2017
Mean Feels-like 22.9 °C 18.7 °C 23.3 °C, 2014 11.1 °C, 2017
Air-frost Hrs 0 hrs 0 hrs 0 hrs, 2009 0 hrs, 2009
Measure Value (anomaly) Month cumul. Record High Record Low
Temperature Range 4.9 °C (-2.3) 8.8 °C (+0.7) 10.1 °C (+2.9), 2009 4.9 °C (-2.3), 2018
Humidity Range 26% 37% 42%, 2012 18%, 2010
Pressure Range 3 hPa 4 hPa 9 hPa, 2011 2 hPa, 2016
Measure Value [% of max] Month cumul. Record High Record Low
Sun Hours 2 [18%]110 hrs (122%) [49%] 8.5 [76%], 2012 0.3 [3%], 2010
Wet Hours 08 hrs (31%) [1.8%] 3, 2013 0, 2009
Cloud Cover am: Mostly Cloudy
pm: Partly Cloudy transitioned to Mostly 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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