Daily Report for 17th August 2019

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Measure Value (anomaly) Time Month cumul. Record High Record Low
Minimum Temperature 15.5 °C (+2.2) 06:48 14.7 °C (+1.2) 18.1 °C (+4.8), 2012 10.8 °C (-2.5), 2018
Maximum Temperature 22.6 °C (+0.3) 16:29 22.7 °C (+0.2) 27.6 °C (+5.3), 2012 20.0 °C (-2.3), 2013
Mean Temperature 18.6 °C (+1.3) 18.5 °C (+0.7) 22.2 °C, 2012 15.9 °C, 2011
Minimum Humidity 53% 17:05 55% 60%, 2013 33%, 2012
Maximum Humidity 95% 03:02 90% 95%, 2018 76%, 2012
Mean Humidity 77% 75% 80%, 2013 58%, 2012
Minimum Pressure 1004 hPa 03:06 1009 hPa 1017 hPa, 2018 1004 hPa, 2019
Maximum Pressure 1006 hPa 21:40 1015 hPa 1022 hPa, 2018 1006 hPa, 2019
Mean Pressure 1005 hPa 1012 hPa 1020 hPa, 2018 1005 hPa, 2019
Mean Wind Speed 7.0 mph (+3.0) 5.7 mph (+1.7) 7.6 mph, 2014 1.9 mph, 2015
Maximum Wind Speed 15.9 mph 13:37 14.4 mph 17.6 mph, 2014 9.0 mph, 2015
Maximum Gust 24.2 mph 15:44 23.6 mph 26.8 mph, 2013 12.1 mph, 2011
Mean Wind Direction SW
Rainfall 0.2 mm 28.6 mm (98%) 6.0 mm, 2010
Maximum Hourly Rain 0.2 mm 5.5 mm, 2010
Maximum 10-min Rain 0.2 mm 3.3 mm, 2010
Maximum Rain Rate n/a 50, 2010
Minimum Dew Point 12.1 °C 17:05 11.8 °C 12.1 °C, 2019 4.1 °C, 2014
Maximum Dew Point 16.4 °C 03:02 15.9 °C 17.5 °C, 2012 11.3 °C, 2015
Mean Dew Point 14.3 °C 13.8 °C 14.3 °C, 2019 8.0 °C, 2015
Measure Value Time Month cumul. Record High Record Low
Night Minimum (21-09) 15.5 °C 06:48 14.9 °C 18.1 °C, 2012 10.8 °C, 2018
Day Maximum (09-21) 22.6 °C 16:29 22.7 °C 27.6 °C, 2012 20.0 °C, 2013
Max 10m Temp Rise 0.7 °C 12:32 0.6 °C 1.0 °C, 2009 0.3 °C, 2010
Max 1hr Temp Rise 2.0 °C 13:16 2.2 °C 3.1 °C, 2018 0.9 °C, 2010
Max 1hr Hum Rise 14% 18:06 12% 14%, 2019 3%, 2015
Max 10m Temp Fall 0.6 °C 14:34 0.7 °C 1.4 °C, 2014 0.3 °C, 2010
Max 1hr Temp Fall 1.3 °C 18:16 1.9 °C 2.1 °C, 2009 1.0 °C, 2010
Max 1hr Hum Fall 10% 13:38 11% 27%, 2014 4%, 2010
Max 10m Wind Speed 12.3 mph 13:09 10.8 mph 13.1 mph, 2014 5.8 mph, 2015
Minimum Feels-like 18.8 °C 06:48 17.1 °C 20.6 °C, 2012 11.8 °C, 2018
Maximum Feels-like 25.9 °C 14:13 26.2 °C 29.9 °C, 2012 20.6 °C, 2015
Mean Feels-like 22.2 °C 21.8 °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 7.1 °C (-1.9) 8.0 °C (-1.0) 12.0 °C (+3.0), 2016 5.2 °C (-3.8), 2010
Humidity Range 42% 35% 49%, 2016 32%, 2010
Pressure Range 3 hPa 6 hPa 10 hPa, 2013 2 hPa, 2011
Measure Value [% of max] Month cumul. Record High Record Low
Sun Hours 7.4 [56%]76 hrs (74%) [33%] 12 [91%], 2016 1 [8%], 2011
Wet Hours 130 hrs (144%) [7.4%] 2.5, 2017 0, 2009
Cloud Cover am: Sunny transitioned to Partly Cloudy
pm: Partly Cloudy
Events None
Comments o.night Rain
Extra Comments
Issues None known
Observer Absent? Yes - observations may be unreliable
Pond Temperature (Heath) 19.0 °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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