Daily Report for 27th August 2017

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Measure Value (anomaly) Time Month cumul. Record High Record Low
Minimum Temperature 15.5 °C (+2.8) 02:21 13.7 °C (+0.4) 16.0 °C (+3.3), 2009 10.5 °C (-2.2), 2014
Maximum Temperature 25.8 °C (+4.2) 16:14 21.8 °C (-0.5) 25.8 °C (+4.2), 2017 17.3 °C (-4.3), 2010
Mean Temperature 20.2 °C (+3.5) 17.6 °C (-0.1) 20.4 °C, 2016 14.0 °C, 2010
Minimum Humidity 43% 17:16 50% 59%, 2010 42%, 2013
Maximum Humidity 73% 03:01 82% 98%, 2010 73%, 2017
Mean Humidity 58% 67% 85%, 2010 58%, 2017
Minimum Pressure 1018 hPa 10:28 1014 hPa 1018 hPa, 2017 1004 hPa, 2010
Maximum Pressure 1021 hPa 09:19 1019 hPa 1021 hPa, 2017 1011 hPa, 2015
Mean Pressure 1019 hPa 1017 hPa 1019 hPa, 2017 1007 hPa, 2015
Mean Wind Speed 1.4 mph (-2.6) 3.7 mph (-0.3) 5.8 mph, 2009 1.4 mph, 2017
Maximum Wind Speed 6.1 mph 08:33 11.1 mph 16.5 mph, 2016 6.1 mph, 2017
Maximum Gust 9.4 mph 14:41 17.0 mph 25.8 mph, 2016 9.4 mph, 2017
Mean Wind Direction NNE
Rainfall 0.0 mm 77.2 mm (167%) 4.1 mm, 2010
Maximum Hourly Rain n/a 1.8, 2015
Maximum 10-min Rain n/a 1.8, 2015
Maximum Rain Rate n/a 42, 2015
Minimum Dew Point 9.4 °C 21:14 8.3 °C 10.4 °C, 2009 6.4 °C, 2013
Maximum Dew Point 13.3 °C 13:34 13.4 °C 17.2 °C, 2016 12.8 °C, 2011
Mean Dew Point 11.5 °C 10.9 °C 14.3 °C, 2016 10.5 °C, 2013
Measure Value Time Month cumul. Record High Record Low
Night Minimum (21-09) 15.5 °C 02:21 13.8 °C 16.0 °C, 2009 10.5 °C, 2014
Day Maximum (09-21) 25.8 °C 16:14 21.8 °C 25.8 °C, 2017 17.3 °C, 2010
Max 10m Temp Rise 0.5 °C 09:22 0.6 °C 0.8 °C, 2012 0.4 °C, 2015
Max 1hr Temp Rise 2.5 °C 10:08 2.1 °C 3.3 °C, 2014 1.6 °C, 2010
Max 1hr Hum Rise 10% 22:10 8% 12%, 2015 6%, 2014
Max 10m Temp Fall 0.7 °C 19:48 0.6 °C 0.7 °C, 2013 0.2 °C, 2014
Max 1hr Temp Fall 3.5 °C 20:18 1.9 °C 3.5 °C, 2017 0.8 °C, 2014
Max 1hr Hum Fall 6% 10:01 9% 18%, 2014 6%, 2017
Max 10m Wind Speed 4.2 mph 06:59 8.2 mph 12.8 mph, 2016 4.2 mph, 2017
Minimum Feels-like 16.9 °C 02:07 14.8 °C 18.0 °C, 2009 11.5 °C, 2014
Maximum Feels-like 28.4 °C 16:07 24.0 °C 29.5 °C, 2016 19.1 °C, 2010
Mean Feels-like 22.2 °C 19.4 °C 24.0 °C, 2016 15.8 °C, 2011
Air-frost Hrs 0 hrs 0 hrs 0 hrs, 2009 0 hrs, 2009
Measure Value (anomaly) Month cumul. Record High Record Low
Temperature Range 10.3 °C (+1.4) 8.1 °C (-0.9) 11.3 °C (+2.4), 2013 5.1 °C (-3.8), 2015
Humidity Range 30% 31% 52%, 2013 30%, 2017
Pressure Range 3 hPa 5 hPa 14 hPa, 2010 3 hPa, 2013
Measure Value [% of max] Month cumul. Record High Record Low
Sun Hours 10 [79%]153 hrs (95%) [42%] 10 [79%], 2017 1 [8%], 2010
Wet Hours 040 hrs (119%) [6.1%] 7, 2010 0, 2009
Cloud Cover am: Partly Cloudy transitioned to Sunny
pm: Sunny
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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