Daily Report for 29th September 2019

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Measure Value (anomaly) Time Month cumul. Record High Record Low
Minimum Temperature 12.7 °C (+2.5) 23:54 11.6 °C (+0.4) 14.0 °C (+3.8), 2011 6.2 °C (-4.0), 2018
Maximum Temperature 18.2 °C (+1.3) 13:35 19.8 °C (+1.0) 26.9 °C (+10.0), 2011 15.2 °C (-1.7), 2012
Mean Temperature 15.6 °C (+1.9) 15.6 °C (+0.7) 19.6 °C, 2011 11.5 °C, 2012
Minimum Humidity 80% 18:18 58% 83%, 2014 42%, 2011
Maximum Humidity 94% 06:37 89% 96%, 2010 84%, 2016
Mean Humidity 90% 76% 90%, 2019 70%, 2016
Minimum Pressure 993 hPa 15:34 1015 hPa 1032 hPa, 2015 993 hPa, 2019
Maximum Pressure 1008 hPa 23:59 1022 hPa 1036 hPa, 2015 1008 hPa, 2013
Mean Pressure 998 hPa 1019 hPa 1034 hPa, 2015 998 hPa, 2019
Mean Wind Speed 8.0 mph (+4.1) 4.6 mph (+0.7) 11.4 mph, 2016 0.9 mph, 2018
Maximum Wind Speed 16.6 mph 10:38 12.8 mph 22.7 mph, 2016 7.2 mph, 2018
Maximum Gust 27.0 mph 01:31 20.7 mph 40.3 mph, 2016 10.3 mph, 2018
Mean Wind Direction WSW
Rainfall 3.6 mm 58.4 mm (106%) 11.7 mm, 2010
Maximum Hourly Rain 1.2 mm 14:41 3.5 mm, 2010
Maximum 10-min Rain 0.6 mm 13:56 1.6 mm, 2017
Maximum Rain Rate 6 mm/h 13:56 24 mm/h, 2017
Minimum Dew Point 10.6 °C 23:54 8.3 °C 11.5 °C, 2014 2.7 °C, 2012
Maximum Dew Point 16.2 °C 14:24 13.6 °C 17.4 °C, 2011 8.2 °C, 2018
Mean Dew Point 13.9 °C 11.0 °C 14.1 °C, 2017 6.0 °C, 2012
Measure Value Time Month cumul. Record High Record Low
Night Minimum (21-09) * 14.0 °C * 22:53 11.8 °C 16.8 °C, 2016 6.2 °C, 2018
Day Maximum (09-21) 18.2 °C 13:35 19.8 °C 26.9 °C, 2011 15.2 °C, 2012
Max 10m Temp Rise 0.3 °C 11:59 0.6 °C 0.9 °C, 2018 0.3 °C, 2010
Max 1hr Temp Rise 0.8 °C 10:52 2.4 °C 3.7 °C, 2011 0.8 °C, 2019
Max 1hr Hum Rise 10% 19:17 10% 13%, 2018 3%, 2013
Max 10m Temp Fall 0.5 °C 16:45 0.5 °C 1.0 °C, 2017 0.2 °C, 2014
Max 1hr Temp Fall 1.6 °C 19:14 1.8 °C 3.4 °C, 2018 0.9 °C, 2014
Max 1hr Hum Fall 6% 17:08 11% 18%, 2012 6%, 2019
Max 10m Wind Speed 12.9 mph 03:09 9.3 mph 17.4 mph, 2016 4.8 mph, 2018
Minimum Feels-like 14.3 °C 23:49 12.4 °C 16.1 °C, 2011 6.2 °C, 2018
Maximum Feels-like 22.7 °C 13:45 22.3 °C 30.0 °C, 2011 15.2 °C, 2012
Mean Feels-like 18.9 °C 17.5 °C 22.8 °C, 2011 11.4 °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 5.5 °C (-1.2) 8.3 °C (+0.6) 12.9 °C (+6.2), 2011 4.1 °C (-2.6), 2013
Humidity Range 14% 31% 54%, 2011 13%, 2014
Pressure Range 15 hPa 7 hPa 15 hPa, 2019 2 hPa, 2011
Measure Value [% of max] Month cumul. Record High Record Low
Sun Hours 0.2 [2%]160 hrs (120%) [48%] 10.61 [100%], 2011 0.1 [1%], 2010
Wet Hours 8
[Mean rain rate: 0.5 mm/h]
52 hrs (131%) [7.5%] 10, 2010 0, 2009
Cloud Cover Overcast with periods of Mostly Cloudy
Events None
Comments Rain spells
Extra Comments
Issues None known
Observer Absent? Yes - observations may be unreliable
Pond Temperature (Heath) 15.0 °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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