Daily Report for 15th September 2019

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Measure Value (anomaly) Time Month cumul. Record High Record Low
Minimum Temperature 11.2 °C (-0.0) 06:50 11.1 °C (-0.6) 17.0 °C (+5.8), 2016 6.7 °C (-4.5), 2013
Maximum Temperature 25.2 °C (+6.3) 15:22 20.1 °C (+0.2) 28.2 °C (+9.3), 2016 15.2 °C (-3.7), 2013
Mean Temperature 18.0 °C (+3.2) 15.7 °C (-0.2) 22.1 °C, 2016 11.2 °C, 2017
Minimum Humidity 55% 15:27 52% 83%, 2009 45%, 2012
Maximum Humidity 87% 05:55 87% 98%, 2009 84%, 2012
Mean Humidity 72% 72% 91%, 2009 64%, 2012
Minimum Pressure 1023 hPa 18:30 1020 hPa 1023 hPa, 2019 991 hPa, 2015
Maximum Pressure 1028 hPa 00:10 1027 hPa 1028 hPa, 2019 998 hPa, 2015
Mean Pressure 1025 hPa 1023 hPa 1025 hPa, 2019 995 hPa, 2015
Mean Wind Speed 2.9 mph (-1.0) 4.3 mph (+0.4) 7.4 mph, 2010 2.1 mph, 2011
Maximum Wind Speed 9.4 mph 15:01 12.4 mph 19.4 mph, 2009 6.9 mph, 2014
Maximum Gust 12.7 mph 15:01 20.5 mph 27.1 mph, 2010 10.0 mph, 2014
Mean Wind Direction W
Rainfall 0.0 mm 5.6 mm (20%) 25.5 mm, 2009
Maximum Hourly Rain n/a 7.4, 2009
Maximum 10-min Rain n/a 3.3, 2009
Maximum Rain Rate n/a 33, 2009
Minimum Dew Point 8.9 °C 06:50 7.0 °C 14.0 °C, 2016 5.0 °C, 2011
Maximum Dew Point 15.9 °C 14:02 13.1 °C 18.6 °C, 2016 10.0 °C, 2017
Mean Dew Point 12.6 °C 10.3 °C 16.4 °C, 2016 7.9 °C, 2017
Measure Value Time Month cumul. Record High Record Low
Night Minimum (21-09) 11.2 °C 06:52 11.2 °C 17.0 °C, 2016 6.7 °C, 2013
Day Maximum (09-21) 25.2 °C 15:21 20.1 °C 28.2 °C, 2016 15.2 °C, 2013
Max 10m Temp Rise 0.7 °C 09:16 0.6 °C 1.0 °C, 2011 0.4 °C, 2015
Max 1hr Temp Rise 3.2 °C 09:20 2.5 °C 4.8 °C, 2011 1.6 °C, 2015
Max 1hr Hum Rise 7% 20:09 10% 15%, 2017 5%, 2015
Max 10m Temp Fall 0.5 °C 20:49 0.5 °C 0.7 °C, 2016 0.2 °C, 2010
Max 1hr Temp Fall 2.2 °C 21:01 1.7 °C 2.7 °C, 2016 0.8 °C, 2010
Max 1hr Hum Fall 11% 09:48 12% 14%, 2013 8%, 2016
Max 10m Wind Speed 5.5 mph 09:04 8.9 mph 12.2 mph, 2013 5.2 mph, 2014
Minimum Feels-like 12.0 °C 06:27 11.5 °C 23.2 °C, 2016 4.7 °C, 2017
Maximum Feels-like 29.7 °C 15:22 22.2 °C 33.8 °C, 2016 16.8 °C, 2017
Mean Feels-like 20.6 °C 17.2 °C 27.0 °C, 2016 11.2 °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 14.0 °C (+6.4) 9.0 °C (+0.7) 14.0 °C (+6.4), 2019 1.9 °C (-5.7), 2009
Humidity Range 32% 35% 47%, 2011 15%, 2009
Pressure Range 5 hPa 7 hPa 17 hPa, 2013 2 hPa, 2011
Measure Value [% of max] Month cumul. Record High Record Low
Sun Hours 10.5 [91%]90 hrs (126%) [51%] 10.5 [91%], 2019 0 [0%], 2009
Wet Hours 08 hrs (39%) [2.2%] 11, 2009 0, 2010
Cloud Cover Sunny
Events None
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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