Daily Report for 22nd September 2019

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Measure Value (anomaly) Time Month cumul. Record High Record Low
Minimum Temperature 15.2 °C (+4.5) 23:55 11.0 °C (-0.5) 15.2 °C (+4.5), 2019 6.0 °C (-4.7), 2012
Maximum Temperature 22.2 °C (+4.5) 12:28 20.2 °C (+0.8) 22.9 °C (+5.2), 2010 13.8 °C (-3.9), 2018
Mean Temperature 17.4 °C (+4.5) 15.5 °C (+0.2) 17.4 °C, 2019 11.1 °C, 2012
Minimum Humidity 75% 12:33 53% 81%, 2013 45%, 2012
Maximum Humidity 89% 14:22 88% 97%, 2017 84%, 2016
Mean Humidity 83% 72% 91%, 2013 67%, 2012
Minimum Pressure 1003 hPa 11:37 1020 hPa 1026 hPa, 2013 998 hPa, 2015
Maximum Pressure 1008 hPa 23:56 1026 hPa 1029 hPa, 2013 1007 hPa, 2015
Mean Pressure 1005 hPa 1023 hPa 1028 hPa, 2013 1002 hPa, 2015
Mean Wind Speed 3.7 mph (-0.2) 3.9 mph (+0.0) 6.0 mph, 2009 1.7 mph, 2014
Maximum Wind Speed 13.7 mph 12:54 11.8 mph 14.7 mph, 2016 7.1 mph, 2014
Maximum Gust 19.6 mph 12:47 19.2 mph 22.6 mph, 2016 8.1 mph, 2014
Mean Wind Direction S
Rainfall 1.6 mm 7.6 mm (18%) 8.0 mm, 2018
Maximum Hourly Rain 1.0 mm 13:43 2.4 mm, 2015
Maximum 10-min Rain 0.4 mm 13:01 1.5 mm, 2015
Maximum Rain Rate 2.0 mm/h 12:54 42 mm/h, 2015
Minimum Dew Point 12.6 °C 21:15 7.2 °C 12.8 °C, 2013 1.7 °C, 2012
Maximum Dew Point 17.7 °C 12:23 13.0 °C 17.7 °C, 2019 8.2 °C, 2012
Mean Dew Point 14.4 °C 10.3 °C 15.2 °C, 2013 4.7 °C, 2012
Measure Value Time Month cumul. Record High Record Low
Night Minimum (21-09) * 15.9 °C * 00:36 11.1 °C 16.2 °C, 2013 6.0 °C, 2012
Day Maximum (09-21) 22.2 °C 12:29 20.2 °C 22.9 °C, 2010 13.8 °C, 2018
Max 10m Temp Rise 0.5 °C 09:57 0.7 °C 0.8 °C, 2012 0.2 °C, 2018
Max 1hr Temp Rise 2.1 °C 10:47 2.6 °C 3.6 °C, 2010 0.7 °C, 2018
Max 1hr Hum Rise 11% 13:40 10% 14%, 2016 5%, 2015
Max 10m Temp Fall 1.3 °C 12:56 0.5 °C 1.3 °C, 2019 0.2 °C, 2018
Max 1hr Temp Fall 4.2 °C 13:32 1.8 °C 4.2 °C, 2019 0.7 °C, 2018
Max 1hr Hum Fall 8% 10:50 12% 16%, 2017 1%, 2018
Max 10m Wind Speed 10.2 mph 12:55 8.5 mph 11.4 mph, 2016 4.5 mph, 2014
Minimum Feels-like 17.8 °C 23:53 11.3 °C 17.8 °C, 2019 2.9 °C, 2012
Maximum Feels-like 27.9 °C 12:28 22.3 °C 27.9 °C, 2019 13.6 °C, 2018
Mean Feels-like 21.0 °C 17.1 °C 21.0 °C, 2019 10.5 °C, 2012
Air-frost Hrs 0 hrs 0 hrs 0 hrs, 2009 0 hrs, 2009
Measure Value (anomaly) Month cumul. Record High Record Low
Temperature Range 7.0 °C (-0.0) 9.2 °C (+1.3) 12.1 °C (+5.1), 2010 3.6 °C (-3.4), 2018
Humidity Range 14% 35% 49%, 2010 14%, 2015
Pressure Range 5 hPa 6 hPa 9 hPa, 2015 3 hPa, 2009
Measure Value [% of max] Month cumul. Record High Record Low
Sun Hours 0.1 [1%]147 hrs (142%) [57%] 10 [90%], 2012 0 [0%], 2018
Wet Hours 3
[Mean rain rate: 0.5 mm/h]
13 hrs (43%) [2.5%] 10, 2018 0, 2009
Cloud Cover am: Mostly Cloudy
pm: Overcast
Events None
Comments Showers
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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