Daily Report for 18th September 2019

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Measure Value (anomaly) Time Month cumul. Record High Record Low
Minimum Temperature 7.1 °C (-3.9) 07:21 11.0 °C (-0.5) 17.6 °C (+6.6), 2018 6.8 °C (-4.2), 2010
Maximum Temperature 18.5 °C (+0.2) 16:05 19.9 °C (+0.2) 24.2 °C (+5.9), 2014 15.3 °C (-3.0), 2013
Mean Temperature 12.9 °C (-1.8) 15.5 °C (-0.1) 19.2 °C, 2018 11.8 °C, 2011
Minimum Humidity 48% 14:55 53% 74%, 2015 37%, 2012
Maximum Humidity 87% 07:47 87% 96%, 2014 82%, 2012
Mean Humidity 68% 72% 85%, 2015 60%, 2012
Minimum Pressure 1029 hPa 00:05 1021 hPa 1029 hPa, 2019 995 hPa, 2013
Maximum Pressure 1032 hPa 23:57 1027 hPa 1032 hPa, 2019 1008 hPa, 2011
Mean Pressure 1030 hPa 1024 hPa 1030 hPa, 2019 1004 hPa, 2013
Mean Wind Speed 1.8 mph (-2.1) 4.0 mph (+0.1) 9.4 mph, 2018 1.6 mph, 2016
Maximum Wind Speed 7.5 mph 13:57 11.7 mph 19.1 mph, 2018 7.5 mph, 2019
Maximum Gust 15.0 mph 01:07 20.4 mph 33.4 mph, 2018 10.0 mph, 2011
Mean Wind Direction ENE
Rainfall 0.0 mm 6.0 mm (18%) 2.1 mm, 2015
Maximum Hourly Rain n/a 1.9, 2015
Maximum 10-min Rain n/a 1.5, 2015
Maximum Rain Rate n/a 24, 2015
Minimum Dew Point 4.5 °C 04:46 7.1 °C 13.9 °C, 2014 0.2 °C, 2012
Maximum Dew Point 9.0 °C 22:05 13.0 °C 17.7 °C, 2014 7.5 °C, 2010
Mean Dew Point 6.9 °C 10.2 °C 15.2 °C, 2014 5.4 °C, 2010
Measure Value Time Month cumul. Record High Record Low
Night Minimum (21-09) 7.1 °C 07:21 11.2 °C 17.6 °C, 2018 6.8 °C, 2010
Day Maximum (09-21) 18.5 °C 16:06 19.9 °C 24.2 °C, 2014 15.3 °C, 2013
Max 10m Temp Rise 0.9 °C 08:11 0.6 °C 0.9 °C, 2019 0.3 °C, 2016
Max 1hr Temp Rise 3.9 °C 08:55 2.5 °C 3.9 °C, 2019 1.4 °C, 2016
Max 1hr Hum Rise 10% 20:05 10% 11%, 2017 4%, 2016
Max 10m Temp Fall 0.5 °C 19:54 0.5 °C 0.9 °C, 2015 0.2 °C, 2016
Max 1hr Temp Fall 2.1 °C 19:57 1.8 °C 2.1 °C, 2019 0.8 °C, 2016
Max 1hr Hum Fall 12% 08:47 11% 16%, 2017 6%, 2015
Max 10m Wind Speed 5.1 mph 14:59 8.3 mph 14.8 mph, 2018 5.1 mph, 2019
Minimum Feels-like 6.3 °C 07:25 11.3 °C 19.1 °C, 2018 5.2 °C, 2010
Maximum Feels-like 18.9 °C 16:02 22.0 °C 28.4 °C, 2014 15.7 °C, 2013
Mean Feels-like 13.1 °C 17.0 °C 22.9 °C, 2014 11.7 °C, 2010
Air-frost Hrs 0 hrs 0 hrs 0 hrs, 2009 0 hrs, 2009
Measure Value (anomaly) Month cumul. Record High Record Low
Temperature Range 11.4 °C (+4.1) 8.9 °C (+0.8) 11.4 °C (+4.1), 2019 4.4 °C (-2.9), 2018
Humidity Range 39% 34% 45%, 2012 18%, 2015
Pressure Range 3 hPa 6 hPa 19 hPa, 2012 2 hPa, 2010
Measure Value [% of max] Month cumul. Record High Record Low
Sun Hours 11 [97%]100 hrs (117%) [47%] 11 [97%], 2019 0.2 [2%], 2016
Wet Hours 010 hrs (41%) [2.3%] 2.5, 2017 0, 2009
Cloud Cover unknown
Events Maximum possible sunshine
Comments blr
Extra Comments
Issues None known
Observer Absent? No
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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