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 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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