Daily Report for 25th September 2019

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Measure Value (anomaly) Time Month cumul. Record High Record Low
Minimum Temperature 14.6 °C (+4.1) 02:51 11.4 °C (+0.1) 14.7 °C (+4.2), 2017 3.7 °C (-6.8), 2018
Maximum Temperature 19.9 °C (+2.5) 15:47 20.1 °C (+1.0) 20.9 °C (+3.5), 2011 13.4 °C (-4.0), 2010
Mean Temperature 16.6 °C (+3.3) 15.6 °C (+0.5) 17.3 °C, 2016 9.5 °C, 2010
Minimum Humidity 70% 17:06 55% 72%, 2017 43%, 2018
Maximum Humidity 94% 07:11 89% 97%, 2013 83%, 2010
Mean Humidity 87% 74% 87%, 2017 64%, 2016
Minimum Pressure 998 hPa 06:24 1018 hPa 1034 hPa, 2018 988 hPa, 2012
Maximum Pressure 1005 hPa 22:42 1024 hPa 1039 hPa, 2018 989 hPa, 2012
Mean Pressure 1001 hPa 1021 hPa 1037 hPa, 2018 988 hPa, 2012
Mean Wind Speed 5.9 mph (+2.0) 4.2 mph (+0.3) 8.5 mph, 2016 1.5 mph, 2013
Maximum Wind Speed 14.5 mph 12:53 12.1 mph 20.6 mph, 2016 6.7 mph, 2013
Maximum Gust 21.9 mph 12:52 19.6 mph 29.0 mph, 2016 8.1 mph, 2013
Mean Wind Direction SW
Rainfall 2.0 mm 42.6 mm (90%) 2.0 mm, 2019
Maximum Hourly Rain 1.6 mm 06:51 1.6 mm, 2019
Maximum 10-min Rain 0.8 mm 06:51 0.8 mm, 2019
Maximum Rain Rate 6 mm/h 06:45 6 mm/h, 2019
Minimum Dew Point 13.1 °C 01:54 7.9 °C 13.1 °C, 2013 2.3 °C, 2010
Maximum Dew Point 15.9 °C 14:28 13.4 °C 16.2 °C, 2013 6.0 °C, 2010
Mean Dew Point 14.3 °C 10.7 °C 14.3 °C, 2013 3.8 °C, 2010
Measure Value Time Month cumul. Record High Record Low
Night Minimum (21-09) 14.6 °C 02:48 11.6 °C 15.7 °C, 2016 4.4 °C, 2018
Day Maximum (09-21) 19.9 °C 16:06 20.1 °C 20.9 °C, 2011 13.4 °C, 2010
Max 10m Temp Rise 0.5 °C 11:56 0.6 °C 0.9 °C, 2014 0.2 °C, 2017
Max 1hr Temp Rise 1.7 °C 12:22 2.5 °C 3.3 °C, 2018 0.7 °C, 2017
Max 1hr Hum Rise 13% 18:07 10% 13%, 2019 6%, 2010
Max 10m Temp Fall 0.5 °C 17:26 0.5 °C 0.7 °C, 2018 0.2 °C, 2014
Max 1hr Temp Fall 1.9 °C 18:15 1.8 °C 2.7 °C, 2015 0.9 °C, 2014
Max 1hr Hum Fall 7% 12:26 12% 17%, 2015 7%, 2019
Max 10m Wind Speed 10.8 mph 16:11 8.8 mph 16.6 mph, 2016 4.8 mph, 2009
Minimum Feels-like 17.5 °C 01:54 12.0 °C 17.6 °C, 2017 0.9 °C, 2009
Maximum Feels-like 24.1 °C 15:40 22.4 °C 24.9 °C, 2013 13.4 °C, 2010
Mean Feels-like 20.1 °C 17.4 °C 20.4 °C, 2013 8.6 °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 5.3 °C (-1.6) 8.7 °C (+0.9) 14.4 °C (+7.5), 2018 3.4 °C (-3.5), 2017
Humidity Range 24% 33% 49%, 2018 22%, 2017
Pressure Range 6 hPa 6 hPa 11 hPa, 2016 1 hPa, 2011
Measure Value [% of max] Month cumul. Record High Record Low
Sun Hours 1 [9%]154 hrs (132%) [53%] 10.8 [99%], 2018 0 [0%], 2017
Wet Hours 2
[Mean rain rate: 1.0 mm/h]
32 hrs (94%) [5.3%] 2, 2019 0, 2009
Cloud Cover Mostly Cloudy
Events None
Comments early rn
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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