Daily Report for 12th August 2018

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Measure Value (anomaly) Time Month cumul. Record High Record Low
Minimum Temperature 16.2 °C (+2.7) 23:51 14.7 °C (+1.1) 16.9 °C (+3.4), 2017 12.4 °C (-1.1), 2014
Maximum Temperature 21.8 °C (-0.7) 11:31 26.1 °C (+3.5) 26.8 °C (+4.3), 2016 19.0 °C (-3.5), 2010
Mean Temperature 18.4 °C (+1.0) 20.5 °C (+2.3) 20.2 °C, 2012 15.5 °C, 2014
Minimum Humidity 55% 12:05 44% 71%, 2009 33%, 2016
Maximum Humidity 90% 23:41 89% 92%, 2009 73%, 2013
Mean Humidity 77% 67% 86%, 2009 55%, 2013
Minimum Pressure 1008 hPa 23:06 1015 hPa 1021 hPa, 2015 1005 hPa, 2014
Maximum Pressure 1018 hPa 00:00 1021 hPa 1024 hPa, 2015 1009 hPa, 2014
Mean Pressure 1012 hPa 1018 hPa 1023 hPa, 2016 1007 hPa, 2014
Mean Wind Speed 5.5 mph (+1.5) 3.5 mph (-0.5) 8.3 mph, 2016 4.2 mph, 2009
Maximum Wind Speed 15.7 mph 12:28 11.6 mph 20.6 mph, 2016 9.2 mph, 2010
Maximum Gust 26.5 mph 12:29 18.6 mph 37.1 mph, 2016 12.8 mph, 2011
Mean Wind Direction SSW
Rainfall 0.8 mm 22.2 mm (108%) 1.1 mm, 2009
Maximum Hourly Rain 0.6 mm 22:52 0.7 mm, 2014
Maximum 10-min Rain 0.4 mm 22:52 0.4 mm, 2018
Maximum Rain Rate 10 mm/h 22:52 10 mm/h, 2018
Minimum Dew Point 12.0 °C 12:07 11.0 °C 13.7 °C, 2009 4.2 °C, 2013
Maximum Dew Point 15.6 °C 07:28 16.4 °C 17.8 °C, 2009 11.2 °C, 2014
Mean Dew Point 14.2 °C 13.6 °C 16.0 °C, 2009 7.6 °C, 2013
Measure Value Time Month cumul. Record High Record Low
Night Minimum (21-09) * 16.7 °C * 01:29 14.9 °C 16.9 °C, 2017 12.4 °C, 2014
Day Maximum (09-21) 21.8 °C 11:31 25.9 °C 26.8 °C, 2016 19.0 °C, 2010
Max 10m Temp Rise 0.6 °C 09:53 0.6 °C 0.9 °C, 2013 0.4 °C, 2009
Max 1hr Temp Rise 2.3 °C 10:39 2.8 °C 2.7 °C, 2012 1.2 °C, 2010
Max 1hr Hum Rise 15% 13:06 14% 15%, 2018 4%, 2017
Max 10m Temp Fall 0.5 °C 12:32 0.7 °C 1.1 °C, 2014 0.3 °C, 2015
Max 1hr Temp Fall 1.8 °C 12:59 2.5 °C 2.8 °C, 2016 1.0 °C, 2009
Max 1hr Hum Fall 16% 10:33 15% 16%, 2018 6%, 2009
Max 10m Wind Speed 11.8 mph 12:32 8.6 mph 15.6 mph, 2016 6.8 mph, 2011
Minimum Feels-like 19.9 °C 23:46 17.2 °C 19.9 °C, 2018 13.6 °C, 2014
Maximum Feels-like 24.7 °C 11:06 29.3 °C 29.2 °C, 2012 20.1 °C, 2014
Mean Feels-like 21.9 °C 23.8 °C 23.3 °C, 2012 16.5 °C, 2014
Air-frost Hrs 0 hrs 0 hrs 0 hrs, 2009 0 hrs, 2009
Measure Value (anomaly) Month cumul. Record High Record Low
Temperature Range 5.6 °C (-3.4) 11.4 °C (+2.4) 11.8 °C (+2.8), 2016 5.1 °C (-3.9), 2009
Humidity Range 35% 45% 53%, 2016 21%, 2009
Pressure Range 10 hPa 6 hPa 10 hPa, 2018 2 hPa, 2011
Measure Value [% of max] Month cumul. Record High Record Low
Sun Hours 0.4 [3%]109 hrs (149%) [66%] 13.5 [100%], 2016 0.4 [3%], 2018
Wet Hours 2
[Mean rain rate: 0.4 mm/h]
17 hrs (116%) [5.9%] 4, 2015 0, 2011
Cloud Cover am: Overcast with periods of Hazy
pm: Overcast
Events None
Comments late eve Rain
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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