Daily Report for 8th September 2018

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Measure Value (anomaly) Time Month cumul. Record High Record Low
Minimum Temperature 9.4 °C (-2.4) 02:42 10.9 °C (-1.0) 16.9 °C (+5.1), 2009 8.2 °C (-3.6), 2013
Maximum Temperature 19.5 °C (-0.7) 15:05 21.3 °C (+0.8) 27.1 °C (+6.9), 2009 16.0 °C (-4.2), 2015
Mean Temperature 14.6 °C (-1.5) 16.1 °C (-0.1) 20.7 °C, 2009 12.6 °C, 2013
Minimum Humidity 59% 14:51 50% 70%, 2011 24%, 2012
Maximum Humidity 86% 04:58 91% 96%, 2014 82%, 2016
Mean Humidity 75% 72% 87%, 2010 54%, 2012
Minimum Pressure 1018 hPa 19:53 1019 hPa 1025 hPa, 2015 996 hPa, 2017
Maximum Pressure 1019 hPa 02:43 1023 hPa 1031 hPa, 2015 1007 hPa, 2017
Mean Pressure 1019 hPa 1021 hPa 1028 hPa, 2015 1000 hPa, 2017
Mean Wind Speed 4.8 mph (+0.9) 3.1 mph (-0.8) 6.6 mph, 2016 1.0 mph, 2014
Maximum Wind Speed 13.4 mph 13:26 10.3 mph 22.3 mph, 2016 5.9 mph, 2014
Maximum Gust 20.7 mph 18:30 16.1 mph 33.9 mph, 2016 7.6 mph, 2014
Mean Wind Direction SW
Rainfall 0.0 mm 0.0 mm (0%) 5.2 mm, 2010
Maximum Hourly Rain n/a 4.9, 2010
Maximum 10-min Rain n/a 4.1, 2010
Maximum Rain Rate n/a 50, 2010
Minimum Dew Point 6.2 °C 01:37 8.4 °C 11.0 °C, 2010 4.0 °C, 2012
Maximum Dew Point 12.6 °C 20:11 13.0 °C 17.8 °C, 2009 11.1 °C, 2015
Mean Dew Point 10.1 °C 10.6 °C 15.2 °C, 2009 7.7 °C, 2012
Measure Value Time Month cumul. Record High Record Low
Night Minimum (21-09) 9.4 °C 02:37 10.9 °C 17.8 °C, 2016 8.2 °C, 2013
Day Maximum (09-21) 19.5 °C 15:07 21.3 °C 27.1 °C, 2009 16.0 °C, 2015
Max 10m Temp Rise 0.5 °C 11:06 0.6 °C 1.2 °C, 2012 0.3 °C, 2011
Max 1hr Temp Rise 2.0 °C 10:38 2.8 °C 4.9 °C, 2012 1.0 °C, 2017
Max 1hr Hum Rise 6% 18:08 10% 16%, 2013 5%, 2015
Max 10m Temp Fall 0.3 °C 00:39 0.4 °C 1.4 °C, 2013 0.3 °C, 2015
Max 1hr Temp Fall 1.1 °C 01:02 1.8 °C 4.0 °C, 2012 1.1 °C, 2018
Max 1hr Hum Fall 8% 11:10 13% 18%, 2013 5%, 2015
Max 10m Wind Speed 10.0 mph 14:08 7.5 mph 17.7 mph, 2016 4.1 mph, 2014
Minimum Feels-like 7.2 °C 03:00 11.3 °C 21.4 °C, 2009 7.2 °C, 2018
Maximum Feels-like 21.6 °C 16:41 23.2 °C 30.8 °C, 2009 17.1 °C, 2015
Mean Feels-like 15.9 °C 17.6 °C 24.9 °C, 2009 12.9 °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 10.1 °C (+1.6) 10.4 °C (+1.8) 17.2 °C (+8.7), 2012 5.5 °C (-3.0), 2017
Humidity Range 27% 41% 60%, 2012 19%, 2011
Pressure Range 2 hPa 4 hPa 11 hPa, 2017 2 hPa, 2018
Measure Value [% of max] Month cumul. Record High Record Low
Sun Hours 1 [8%]56 hrs (144%) [58%] 11.7 [98%], 2014 0.3 [3%], 2010
Wet Hours 00 hrs (0%) [0%] 6, 2017 0, 2009
Cloud Cover am: Overcast
pm: 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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