Daily Report for 19th September 2019

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Measure Value (anomaly) Time Month cumul. Record High Record Low
Minimum Temperature 7.4 °C (-3.5) 06:22 10.9 °C (-0.7) 16.9 °C (+6.0), 2018 6.9 °C (-4.0), 2012
Maximum Temperature 20.4 °C (+2.3) 16:04 19.9 °C (+0.4) 22.6 °C (+4.5), 2014 14.7 °C (-3.4), 2017
Mean Temperature 13.9 °C (-0.6) 15.4 °C (-0.2) 19.0 °C, 2018 10.9 °C, 2017
Minimum Humidity 54% 16:24 53% 70%, 2014 38%, 2012
Maximum Humidity 95% 08:19 88% 96%, 2014 80%, 2010
Mean Humidity 74% 72% 88%, 2014 58%, 2012
Minimum Pressure 1030 hPa 16:55 1021 hPa 1030 hPa, 2019 1007 hPa, 2013
Maximum Pressure 1033 hPa 10:01 1027 hPa 1033 hPa, 2019 1013 hPa, 2013
Mean Pressure 1032 hPa 1024 hPa 1032 hPa, 2019 1010 hPa, 2013
Mean Wind Speed 2.0 mph (-1.9) 3.9 mph (-0.0) 9.6 mph, 2018 1.3 mph, 2015
Maximum Wind Speed 9.9 mph 18:35 11.6 mph 24.1 mph, 2018 6.3 mph, 2009
Maximum Gust 16.1 mph 17:06 19.1 mph 40.3 mph, 2018 8.1 mph, 2015
Mean Wind Direction E
Rainfall 0.0 mm 6.0 mm (17%) 5.4 mm, 2014
Maximum Hourly Rain n/a 4.7, 2014
Maximum 10-min Rain n/a 3.6, 2014
Maximum Rain Rate n/a 66, 2014
Minimum Dew Point 6.2 °C 06:21 7.1 °C 14.7 °C, 2014 1.5 °C, 2012
Maximum Dew Point 11.3 °C 15:48 12.9 °C 19.0 °C, 2014 6.2 °C, 2012
Mean Dew Point 8.9 °C 10.1 °C 16.3 °C, 2014 3.4 °C, 2012
Measure Value Time Month cumul. Record High Record Low
Night Minimum (21-09) 7.4 °C 06:43 11.0 °C 17.1 °C, 2018 6.9 °C, 2012
Day Maximum (09-21) 20.4 °C 16:05 19.9 °C 22.6 °C, 2014 14.7 °C, 2017
Max 10m Temp Rise 0.9 °C 09:02 0.7 °C 0.9 °C, 2019 0.4 °C, 2016
Max 1hr Temp Rise 4.6 °C 09:29 2.6 °C 4.6 °C, 2019 1.2 °C, 2010
Max 1hr Hum Rise 7% 21:26 10% 12%, 2013 5%, 2010
Max 10m Temp Fall 0.4 °C 17:47 0.5 °C 0.8 °C, 2012 0.2 °C, 2010
Max 1hr Temp Fall 1.7 °C 18:02 1.8 °C 2.7 °C, 2017 0.8 °C, 2010
Max 1hr Hum Fall 20% 09:38 12% 20%, 2019 4%, 2010
Max 10m Wind Speed 8.4 mph 18:43 8.3 mph 17.8 mph, 2018 3.6 mph, 2015
Minimum Feels-like 7.0 °C 01:07 11.1 °C 20.5 °C, 2018 4.7 °C, 2012
Maximum Feels-like 22.3 °C 15:48 22.0 °C 29.4 °C, 2014 15.6 °C, 2017
Mean Feels-like 14.8 °C 16.9 °C 23.3 °C, 2014 11.1 °C, 2017
Air-frost Hrs 0 hrs 0 hrs 0 hrs, 2009 0 hrs, 2009
Measure Value (anomaly) Month cumul. Record High Record Low
Temperature Range 13.0 °C (+5.8) 9.1 °C (+1.0) 13.0 °C (+5.8), 2019 4.9 °C (-2.3), 2018
Humidity Range 41% 35% 42%, 2012 18%, 2010
Pressure Range 3 hPa 6 hPa 9 hPa, 2011 2 hPa, 2016
Measure Value [% of max] Month cumul. Record High Record Low
Sun Hours 11.3 [101%]124 hrs (138%) [56%] 11.3 [101%], 2019 0.3 [3%], 2010
Wet Hours 010 hrs (39%) [2.2%] 3, 2013 0, 2009
Cloud Cover Sunny
Events Maximum possible sunshine
Comments -
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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