Daily Report for 29th September 2009

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Measure Value (anomaly) Time Month cumul. Record High Record Low
Minimum Temperature 10.8 °C (+0.6) 07:27 11.7 °C (+0.5) 14.0 °C (+3.8), 2011 6.2 °C (-4.0), 2018
Maximum Temperature 20.1 °C (+3.2) 15:36 19.4 °C (+0.6) 26.9 °C (+10.0), 2011 15.2 °C (-1.7), 2012
Mean Temperature 15.0 °C (+1.9) 15.1 °C (+0.6) 19.6 °C, 2011 11.5 °C, 2012
Minimum Humidity 66% 16:43 57% 83%, 2014 42%, 2011
Maximum Humidity 95% 07:57 90% 96%, 2010 84%, 2016
Mean Humidity 81% 75% 90%, 2019 70%, 2016
Minimum Pressure 1021 hPa 17:30 1019 hPa 1032 hPa, 2015 993 hPa, 2019
Maximum Pressure 1024 hPa 00:41 1025 hPa 1036 hPa, 2015 1008 hPa, 2013
Mean Pressure 1022 hPa 1022 hPa 1034 hPa, 2015 998 hPa, 2019
Mean Wind Speed 3.3 mph (-0.6) 4.8 mph (+0.9) 11.4 mph, 2016 0.9 mph, 2018
Maximum Wind Speed 8.5 mph 11.4 mph 22.7 mph, 2016 7.2 mph, 2018
Maximum Gust 13.2 mph 16:56 17.2 mph 40.3 mph, 2016 10.3 mph, 2018
Mean Wind Direction W
Rainfall 0.0 mm 35.9 mm (65%) 11.7 mm, 2010
Maximum Hourly Rain n/a 3.5, 2010
Maximum 10-min Rain n/a 1.8, 2017
Maximum Rain Rate n/a 26, 2017
Minimum Dew Point 9.9 °C 06:27 8.0 °C 11.5 °C, 2014 2.7 °C, 2012
Maximum Dew Point 13.9 °C 14:08 12.8 °C 17.4 °C, 2011 8.2 °C, 2018
Mean Dew Point 11.7 °C 10.3 °C 14.1 °C, 2017 6.0 °C, 2012
Measure Value Time Month cumul. Record High Record Low
Night Minimum (21-09) 10.8 °C 11.8 °C 16.8 °C, 2016 6.2 °C, 2018
Day Maximum (09-21) 20.1 °C 19.4 °C 26.9 °C, 2011 15.2 °C, 2012
Max 10m Temp Rise n/a 14:14 0.2 °C 0.9, 2018 0.3, 2010
Max 1hr Temp Rise n/a 13:09 0.3 °C 3.7, 2011 0.8, 2019
Max 1hr Hum Rise n/a 20:58 2% 13, 2018 3, 2013
Max 10m Temp Fall n/a 14:05 0.1 °C 1, 2017 0.2, 2014
Max 1hr Temp Fall n/a 20:33 0.3 °C 3.4, 2018 0.9, 2014
Max 1hr Hum Fall n/a 15:02 2% 18, 2012 6, 2019
Max 10m Wind Speed 5.3 mph 15:11 8.0 mph 17.4 mph, 2016 4.8 mph, 2018
Minimum Feels-like 12.0 °C 07:12 12.2 °C 16.1 °C, 2011 6.2 °C, 2018
Maximum Feels-like 23.3 °C 15:32 21.5 °C 30.0 °C, 2011 15.2 °C, 2012
Mean Feels-like 16.8 °C 16.6 °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 9.3 °C (+2.6) 7.7 °C (+0.1) 12.9 °C (+6.2), 2011 4.1 °C (-2.6), 2013
Humidity Range 29% 33% 54%, 2011 13%, 2014
Pressure Range 3 hPa 5 hPa 15 hPa, 2019 2 hPa, 2011
Measure Value [% of max] Month cumul. Record High Record Low
Sun Hours 4 [38%]128 hrs (96%) [39%] 10.61 [100%], 2011 0.1 [1%], 2010
Wet Hours 017 hrs (43%) [2.5%] 10, 2010 0, 2009
Cloud Cover not available
Events None
Comments -
Extra Comments
Issues None known
Observer Absent? No
Pond Temperature (Heath) 0.0 °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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Daily Graph of Conditions

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Webcam Summary of Cloud Conditions


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Wind rose