Daily Report for 18th July 2019

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Measure Value (anomaly) Time Month cumul. Record High Record Low
Minimum Temperature 16.3 °C (+2.7) 06:44 14.2 °C (+1.2) 17.5 °C (+3.8), 2014 11.2 °C (-2.5), 2010
Maximum Temperature 22.9 °C (+0.3) 15:53 23.7 °C (+1.4) 31.2 °C (+8.6), 2014 18.4 °C (-4.2), 2011
Mean Temperature 19.1 °C (+1.5) 19.0 °C (+1.3) 24.1 °C, 2014 15.1 °C, 2011
Minimum Humidity 51% 18:55 48% 71%, 2012 22%, 2016
Maximum Humidity 93% 09:45 85% 95%, 2014 70%, 2013
Mean Humidity 72% 67% 85%, 2012 52%, 2013
Minimum Pressure 1010 hPa 09:16 1018 hPa 1025 hPa, 2013 995 hPa, 2011
Maximum Pressure 1014 hPa 23:52 1022 hPa 1027 hPa, 2013 1000 hPa, 2011
Mean Pressure 1011 hPa 1020 hPa 1026 hPa, 2013 998 hPa, 2011
Mean Wind Speed 4.8 mph (+0.5) 3.4 mph (-0.9) 7.2 mph, 2011 2.1 mph, 2016
Maximum Wind Speed 14.2 mph 14:31 10.3 mph 19.3 mph, 2017 6.9 mph, 2018
Maximum Gust 20.7 mph 14:55 16.6 mph 29.4 mph, 2017 11.5 mph, 2018
Mean Wind Direction WSW
Rainfall 2.0 mm 8.0 mm (33%) 11.7 mm, 2014
Maximum Hourly Rain 0.8 mm 10:03 6.0 mm, 2014
Maximum 10-min Rain 0.4 mm 10:03 4.5 mm, 2014
Maximum Rain Rate 6 mm/h 10:03 72 mm/h, 2014
Minimum Dew Point 10.3 °C 23:57 9.9 °C 12.2 °C, 2012 4.1 °C, 2010
Maximum Dew Point 16.7 °C 10:54 14.5 °C 20.1 °C, 2014 11.0 °C, 2015
Mean Dew Point 13.7 °C 12.3 °C 15.8 °C, 2014 7.9 °C, 2015
Measure Value Time Month cumul. Record High Record Low
Night Minimum (21-09) 16.3 °C 06:44 14.2 °C 17.5 °C, 2014 11.2 °C, 2010
Day Maximum (09-21) 22.9 °C 15:54 23.7 °C 31.2 °C, 2014 18.2 °C, 2012
Max 10m Temp Rise 0.5 °C 10:53 0.6 °C 1.2 °C, 2009 0.5 °C, 2011
Max 1hr Temp Rise 1.5 °C 12:51 2.1 °C 2.8 °C, 2016 1.5 °C, 2019
Max 1hr Hum Rise 6% 20:44 9% 19%, 2009 6%, 2019
Max 10m Temp Fall 0.4 °C 19:05 0.5 °C 1.8 °C, 2009 0.4 °C, 2012
Max 1hr Temp Fall 1.3 °C 19:55 1.7 °C 3.5 °C, 2010 1.3 °C, 2019
Max 1hr Hum Fall 13% 12:49 10% 22%, 2014 10%, 2010
Max 10m Wind Speed 9.8 mph 13:53 7.4 mph 11.4 mph, 2011 4.2 mph, 2009
Minimum Feels-like 18.8 °C 23:57 16.0 °C 22.2 °C, 2014 11.2 °C, 2010
Maximum Feels-like 26.1 °C 15:45 26.7 °C 36.5 °C, 2014 20.6 °C, 2011
Mean Feels-like 22.3 °C 21.5 °C 28.7 °C, 2014 17.1 °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 6.6 °C (-2.3) 9.5 °C (+0.3) 14.5 °C (+5.6), 2016 4.0 °C (-4.9), 2012
Humidity Range 42% 36% 65%, 2014 21%, 2012
Pressure Range 4 hPa 4 hPa 12 hPa, 2012 2 hPa, 2018
Measure Value [% of max] Month cumul. Record High Record Low
Sun Hours 1.8 [12%]118 hrs (108%) [44%] 14.6 [100%], 2016 0.1 [1%], 2012
Wet Hours 5
[Mean rain rate: 0.4 mm/h]
13 hrs (66%) [3%] 5, 2019 0, 2010
Cloud Cover am: Overcast
pm: Partly Cloudy
Events None
Comments am Rain
Extra Comments
Issues None known
Observer Absent? Yes - observations may be unreliable
Pond Temperature (Heath) 22.0 °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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