Daily Report for 16th September 2019

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Measure Value (anomaly) Time Month cumul. Record High Record Low
Minimum Temperature 15.1 °C (+3.9) 23:49 11.4 °C (-0.3) 15.1 °C (+3.9), 2019 7.9 °C (-3.3), 2017
Maximum Temperature 19.3 °C (+0.6) 14:39 20.1 °C (+0.2) 22.8 °C (+4.1), 2018 14.2 °C (-4.5), 2013
Mean Temperature 16.9 °C (+2.3) 15.7 °C (-0.0) 17.8 °C, 2018 11.2 °C, 2013
Minimum Humidity 77% 14:46 54% 82%, 2015 45%, 2013
Maximum Humidity 90% 16:30 87% 98%, 2009 85%, 2012
Mean Humidity 84% 72% 91%, 2015 65%, 2013
Minimum Pressure 1022 hPa 05:36 1020 hPa 1022 hPa, 2019 985 hPa, 2015
Maximum Pressure 1024 hPa 22:40 1027 hPa 1024 hPa, 2019 996 hPa, 2015
Mean Pressure 1023 hPa 1023 hPa 1023 hPa, 2019 988 hPa, 2015
Mean Wind Speed 2.2 mph (-1.7) 4.2 mph (+0.3) 8.7 mph, 2016 2.0 mph, 2017
Maximum Wind Speed 6.8 mph 11:01 12.1 mph 19.2 mph, 2016 6.8 mph, 2019
Maximum Gust 12.7 mph 14:54 20.0 mph 30.6 mph, 2016 12.5 mph, 2014
Mean Wind Direction NW
Rainfall 0.4 mm 6.0 mm (20%) 26.1 mm, 2015
Maximum Hourly Rain 0.2 mm 11.4 mm, 2016
Maximum 10-min Rain 0.2 mm 7.0 mm, 2016
Maximum Rain Rate n/a 120, 2016
Minimum Dew Point 11.7 °C 23:39 7.3 °C 12.2 °C, 2014 2.1 °C, 2013
Maximum Dew Point 15.7 °C 15:37 13.3 °C 17.1 °C, 2014 10.1 °C, 2017
Mean Dew Point 14.2 °C 10.5 °C 14.2 °C, 2014 4.7 °C, 2013
Measure Value Time Month cumul. Record High Record Low
Night Minimum (21-09) * 15.8 °C * 01:13 11.5 °C 15.8 °C, 2019 7.9 °C, 2017
Day Maximum (09-21) 19.3 °C 14:40 20.1 °C 22.8 °C, 2018 14.2 °C, 2013
Max 10m Temp Rise 0.4 °C 01:31 0.6 °C 0.7 °C, 2018 0.2 °C, 2015
Max 1hr Temp Rise 1.1 °C 02:12 2.4 °C 2.9 °C, 2018 0.9 °C, 2010
Max 1hr Hum Rise 11% 15:53 10% 15%, 2013 5%, 2016
Max 10m Temp Fall 0.4 °C 14:59 0.5 °C 1.2 °C, 2013 0.2 °C, 2012
Max 1hr Temp Fall 1.7 °C 15:49 1.7 °C 1.9 °C, 2013 0.9 °C, 2012
Max 1hr Hum Fall 4% 10:49 11% 15%, 2013 4%, 2019
Max 10m Wind Speed 4.3 mph 13:55 8.6 mph 14.3 mph, 2016 4.3 mph, 2019
Minimum Feels-like 17.2 °C 23:39 11.9 °C 17.2 °C, 2019 4.9 °C, 2013
Maximum Feels-like 23.5 °C 14:31 22.3 °C 26.4 °C, 2014 14.3 °C, 2013
Mean Feels-like 20.4 °C 17.4 °C 20.8 °C, 2014 10.6 °C, 2013
Air-frost Hrs 0 hrs 0 hrs 0 hrs, 2009 0 hrs, 2009
Measure Value (anomaly) Month cumul. Record High Record Low
Temperature Range 4.2 °C (-3.3) 8.7 °C (+0.5) 9.3 °C (+1.8), 2011 4.2 °C (-3.3), 2019
Humidity Range 13% 34% 42%, 2011 12%, 2015
Pressure Range 3 hPa 6 hPa 11 hPa, 2015 2 hPa, 2013
Measure Value [% of max] Month cumul. Record High Record Low
Sun Hours 0 [0%]90 hrs (118%) [48%] 8 [70%], 2013 0 [0%], 2015
Wet Hours 2
[Mean rain rate: 0.2 mm/h]
10 hrs (46%) [2.6%] 10, 2015 0, 2010
Cloud Cover Overcast
Events None
Comments pm Rain
Extra Comments
Issues None known
Observer Absent? Yes - observations may be unreliable
Pond Temperature (Heath) 16.5 °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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