Daily Report for 15th August 2017

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Measure Value (anomaly) Time Month cumul. Record High Record Low
Minimum Temperature 14.7 °C (+1.3) 03:59 13.4 °C (-0.2) 17.4 °C (+4.0), 2012 11.5 °C (-1.9), 2016
Maximum Temperature 24.0 °C (+1.6) 15:50 21.2 °C (-1.4) 24.0 °C (+1.6), 2017 19.9 °C (-2.5), 2015
Mean Temperature 19.2 °C (+1.5) 17.3 °C (-0.8) 19.5 °C, 2013 15.8 °C, 2014
Minimum Humidity 41% 18:29 51% 65%, 2009 41%, 2011
Maximum Humidity 76% 05:57 81% 97%, 2010 76%, 2011
Mean Humidity 58% 66% 78%, 2009 58%, 2017
Minimum Pressure 1013 hPa 03:36 1014 hPa 1022 hPa, 2016 1002 hPa, 2012
Maximum Pressure 1019 hPa 23:32 1019 hPa 1025 hPa, 2016 1011 hPa, 2012
Mean Pressure 1015 hPa 1016 hPa 1023 hPa, 2016 1006 hPa, 2012
Mean Wind Speed 2.5 mph (-1.5) 4.1 mph (+0.1) 6.1 mph, 2010 2.5 mph, 2017
Maximum Wind Speed 10.2 mph 16:46 12.0 mph 17.0 mph, 2012 8.7 mph, 2014
Maximum Gust 15.7 mph 16:17 18.5 mph 24.4 mph, 2012 11.8 mph, 2014
Mean Wind Direction WNW
Rainfall 0.0 mm 50.8 mm (198%) 0.6 mm, 2012
Maximum Hourly Rain n/a 0.6, 2012
Maximum 10-min Rain n/a 0.6, 2012
Maximum Rain Rate n/a 3.1, 2012
Minimum Dew Point 5.8 °C 23:55 7.8 °C 13.3 °C, 2013 5.7 °C, 2015
Maximum Dew Point 13.3 °C 11:36 13.1 °C 18.8 °C, 2012 11.5 °C, 2011
Mean Dew Point 10.3 °C 10.5 °C 15.3 °C, 2013 8.7 °C, 2011
Measure Value Time Month cumul. Record High Record Low
Night Minimum (21-09) 14.7 °C 03:59 13.5 °C 17.4 °C, 2012 11.5 °C, 2016
Day Maximum (09-21) 24.0 °C 15:50 21.2 °C 24.0 °C, 2017 19.9 °C, 2015
Max 10m Temp Rise 0.6 °C 11:39 0.6 °C 0.8 °C, 2011 0.4 °C, 2010
Max 1hr Temp Rise 1.9 °C 08:35 2.1 °C 3.5 °C, 2016 1.6 °C, 2010
Max 1hr Hum Rise 5% 02:16 7% 15%, 2013 5%, 2017
Max 10m Temp Fall 0.6 °C 16:01 0.6 °C 1.1 °C, 2013 0.4 °C, 2010
Max 1hr Temp Fall 1.9 °C 20:28 1.7 °C 2.9 °C, 2015 1.6 °C, 2016
Max 1hr Hum Fall 7% 12:38 9% 16%, 2015 7%, 2017
Max 10m Wind Speed 8.3 mph 16:22 8.9 mph 12.5 mph, 2012 5.9 mph, 2014
Minimum Feels-like 15.8 °C 23:59 14.3 °C 20.5 °C, 2013 11.6 °C, 2015
Maximum Feels-like 25.8 °C 15:50 23.3 °C 28.7 °C, 2012 21.2 °C, 2015
Mean Feels-like 20.7 °C 18.9 °C 23.7 °C, 2013 17.4 °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 9.3 °C (+0.3) 7.8 °C (-1.2) 11.6 °C (+2.6), 2016 5.1 °C (-3.9), 2012
Humidity Range 35% 30% 49%, 2015 22%, 2009
Pressure Range 6 hPa 6 hPa 11 hPa, 2014 2 hPa, 2009
Measure Value [% of max] Month cumul. Record High Record Low
Sun Hours 7 [52%]82 hrs (90%) [40%] 13 [97%], 2016 1.4 [10%], 2013
Wet Hours 023 hrs (125%) [6.4%] 2, 2011 0, 2009
Cloud Cover am: Partly Cloudy
pm: Mostly 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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