Daily Report for 16th August 2018

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Measure Value (anomaly) Time Month cumul. Record High Record Low
Minimum Temperature 14.6 °C (+1.3) 23:56 14.8 °C (+1.2) 16.9 °C (+3.6), 2013 10.5 °C (-2.8), 2015
Maximum Temperature 19.0 °C (-3.3) 19:36 25.3 °C (+2.7) 24.2 °C (+1.9), 2009 19.0 °C (-3.3), 2018
Mean Temperature 17.2 °C (-1.0) 20.1 °C (+2.0) 19.1 °C, 2012 15.2 °C, 2015
Minimum Humidity 60% 19:51 47% 70%, 2013 41%, 2014
Maximum Humidity 94% 11:52 89% 95%, 2009 77%, 2017
Mean Humidity 82% 70% 82%, 2018 59%, 2017
Minimum Pressure 1013 hPa 10:05 1014 hPa 1017 hPa, 2016 1009 hPa, 2012
Maximum Pressure 1017 hPa 23:58 1020 hPa 1022 hPa, 2014 1016 hPa, 2009
Mean Pressure 1015 hPa 1017 hPa 1020 hPa, 2014 1014 hPa, 2012
Mean Wind Speed 5.8 mph (+1.8) 3.9 mph (-0.1) 6.2 mph, 2012 1.0 mph, 2015
Maximum Wind Speed 15.9 mph 03:14 12.2 mph 16.6 mph, 2014 8.5 mph, 2015
Maximum Gust 21.9 mph 03:15 19.4 mph 23.2 mph, 2014 11.2 mph, 2015
Mean Wind Direction SW
Rainfall 13.8 mm 36.4 mm (133%) 13.8 mm, 2018
Maximum Hourly Rain 6.8 mm 11:06 6.8 mm, 2018
Maximum 10-min Rain 2.6 mm 10:22 2.6 mm, 2018
Maximum Rain Rate 36 mm/h 10:14 36 mm/h, 2018
Minimum Dew Point 10.7 °C 23:23 11.3 °C 13.4 °C, 2013 5.6 °C, 2014
Maximum Dew Point 16.6 °C 10:09 16.4 °C 17.0 °C, 2013 10.9 °C, 2014
Mean Dew Point 14.1 °C 13.8 °C 15.4 °C, 2013 8.5 °C, 2014
Measure Value Time Month cumul. Record High Record Low
Night Minimum (21-09) * 17.9 °C * 01:59 15.2 °C 17.9 °C, 2018 10.5 °C, 2015
Day Maximum (09-21) 19.0 °C 19:34 25.1 °C 24.2 °C, 2009 19.0 °C, 2018
Max 10m Temp Rise 0.3 °C 16:25 0.6 °C 0.7 °C, 2012 0.3 °C, 2018
Max 1hr Temp Rise 1.2 °C 16:32 2.6 °C 2.7 °C, 2017 1.2 °C, 2011
Max 1hr Hum Rise 14% 20:52 13% 14%, 2018 5%, 2010
Max 10m Temp Fall 0.7 °C 10:24 0.6 °C 0.9 °C, 2009 0.3 °C, 2013
Max 1hr Temp Fall 2.1 °C 13:27 2.3 °C 2.2 °C, 2009 1.3 °C, 2013
Max 1hr Hum Fall 20% 19:25 14% 20%, 2018 6%, 2013
Max 10m Wind Speed 11.4 mph 03:53 9.0 mph 11.8 mph, 2014 5.2 mph, 2015
Minimum Feels-like 16.3 °C 23:55 17.3 °C 20.3 °C, 2013 10.5 °C, 2015
Maximum Feels-like 23.0 °C 08:57 28.7 °C 26.9 °C, 2009 20.7 °C, 2014
Mean Feels-like 20.7 °C 23.4 °C 23.0 °C, 2013 16.0 °C, 2015
Air-frost Hrs 0 hrs 0 hrs 0 hrs, 2009 0 hrs, 2009
Measure Value (anomaly) Month cumul. Record High Record Low
Temperature Range 4.4 °C (-4.6) 10.5 °C (+1.5) 11.6 °C (+2.6), 2017 4.4 °C (-4.6), 2018
Humidity Range 34% 42% 50%, 2009 15%, 2011
Pressure Range 4 hPa 6 hPa 7 hPa, 2012 2 hPa, 2009
Measure Value [% of max] Month cumul. Record High Record Low
Sun Hours 2 [15%]120 hrs (124%) [55%] 11 [83%], 2016 1 [8%], 2011
Wet Hours 5
[Mean rain rate: 2.8 mm/h]
23 hrs (117%) [6%] 5, 2018 0, 2009
Cloud Cover am: Overcast
pm: Overcast transitioned to Partly Cloudy
Events None
Comments am Heavy Rain
Extra Comments
Issues None known
Observer Absent? Yes - observations may be unreliable
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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Daily Graph of Conditions

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Webcam Summary of Cloud Conditions

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