Daily Report for 17th August 2018

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Measure Value (anomaly) Time Month cumul. Record High Record Low
Minimum Temperature 10.8 °C (-2.5) 06:23 14.5 °C (+1.0) 18.1 °C (+4.8), 2012 10.8 °C (-2.5), 2018
Maximum Temperature 21.6 °C (-0.7) 16:28 25.1 °C (+2.5) 27.6 °C (+5.3), 2012 20.0 °C (-2.3), 2013
Mean Temperature 17.0 °C (-1.6) 19.9 °C (+1.8) 22.2 °C, 2012 15.9 °C, 2011
Minimum Humidity 48% 15:03 47% 60%, 2013 33%, 2012
Maximum Humidity 95% 07:02 89% 95%, 2018 76%, 2012
Mean Humidity 70% 70% 80%, 2013 58%, 2012
Minimum Pressure 1017 hPa 00:06 1015 hPa 1017 hPa, 2018 1007 hPa, 2010
Maximum Pressure 1022 hPa 23:35 1020 hPa 1022 hPa, 2018 1015 hPa, 2010
Mean Pressure 1020 hPa 1017 hPa 1020 hPa, 2018 1010 hPa, 2014
Mean Wind Speed 4.8 mph (+0.8) 4.0 mph (-0.0) 7.6 mph, 2014 1.9 mph, 2015
Maximum Wind Speed 12.9 mph 15:54 12.2 mph 17.6 mph, 2014 9.0 mph, 2015
Maximum Gust 19.6 mph 15:55 19.4 mph 26.8 mph, 2013 12.1 mph, 2011
Mean Wind Direction W
Rainfall 0.0 mm 36.4 mm (125%) 6.0 mm, 2010
Maximum Hourly Rain n/a 5.5, 2010
Maximum 10-min Rain n/a 3.3, 2010
Maximum Rain Rate n/a 50, 2010
Minimum Dew Point 9.3 °C 04:14 11.1 °C 11.5 °C, 2013 4.1 °C, 2014
Maximum Dew Point 13.2 °C 09:54 16.2 °C 17.5 °C, 2012 11.3 °C, 2015
Mean Dew Point 11.0 °C 13.6 °C 13.6 °C, 2013 8.0 °C, 2015
Measure Value Time Month cumul. Record High Record Low
Night Minimum (21-09) 10.8 °C 05:27 14.9 °C 18.1 °C, 2012 10.8 °C, 2018
Day Maximum (09-21) 21.6 °C 16:41 24.9 °C 27.6 °C, 2012 20.0 °C, 2013
Max 10m Temp Rise 0.6 °C 07:21 0.6 °C 1.0 °C, 2009 0.3 °C, 2010
Max 1hr Temp Rise 3.1 °C 08:11 2.6 °C 3.1 °C, 2018 0.9 °C, 2010
Max 1hr Hum Rise 8% 20:33 12% 13%, 2017 3%, 2015
Max 10m Temp Fall 0.5 °C 19:42 0.6 °C 1.4 °C, 2014 0.3 °C, 2010
Max 1hr Temp Fall 1.9 °C 20:32 2.3 °C 2.1 °C, 2009 1.0 °C, 2010
Max 1hr Hum Fall 12% 08:29 14% 27%, 2014 4%, 2010
Max 10m Wind Speed 9.1 mph 17:11 9.0 mph 13.1 mph, 2014 5.8 mph, 2015
Minimum Feels-like 11.8 °C 04:20 17.0 °C 20.6 °C, 2012 11.8 °C, 2018
Maximum Feels-like 23.5 °C 17:30 28.4 °C 29.9 °C, 2012 20.6 °C, 2015
Mean Feels-like 18.7 °C 23.2 °C 25.0 °C, 2012 17.2 °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 10.8 °C (+1.8) 10.5 °C (+1.5) 12.0 °C (+3.0), 2016 5.2 °C (-3.8), 2010
Humidity Range 47% 42% 49%, 2016 32%, 2010
Pressure Range 5 hPa 6 hPa 10 hPa, 2013 2 hPa, 2011
Measure Value [% of max] Month cumul. Record High Record Low
Sun Hours 8 [60%]128 hrs (125%) [55%] 12 [91%], 2016 1 [8%], 2011
Wet Hours 023 hrs (110%) [5.6%] 2.5, 2017 0, 2009
Cloud Cover am: Sunny transitioned to Hazy
pm: Partly Cloudy
Events None
Comments -
Extra Comments
Issues None known
Observer Absent? Yes - observations may be unreliable
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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