Daily Report for 7th September 2009

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Measure Value (anomaly) Time Month cumul. Record High Record Low
Minimum Temperature 14.3 °C (+2.5) 03:48 12.6 °C (+0.6) 18.5 °C (+6.7), 2016 8.8 °C (-3.0), 2018
Maximum Temperature 20.3 °C (-0.1) 16:08 18.9 °C (-1.7) 27.9 °C (+7.5), 2016 17.0 °C (-3.4), 2011
Mean Temperature 17.2 °C (+1.2) 15.3 °C (-0.6) 22.6 °C, 2016 13.5 °C, 2015
Minimum Humidity 76% 08:38 54% 76%, 2009 30%, 2012
Maximum Humidity 88% 14:57 88% 96%, 2014 84%, 2018
Mean Humidity 82% 72% 82%, 2009 57%, 2012
Minimum Pressure 1017 hPa 05:02 1007 hPa 1029 hPa, 2015 1000 hPa, 2010
Maximum Pressure 1020 hPa 15:47 1016 hPa 1032 hPa, 2015 1002 hPa, 2010
Mean Pressure 1018 hPa 1011 hPa 1031 hPa, 2015 1001 hPa, 2010
Mean Wind Speed 4.1 mph (+0.2) 6.2 mph (+2.3) 7.6 mph, 2011 1.2 mph, 2014
Maximum Wind Speed 9.2 mph 14.3 mph 16.1 mph, 2011 6.7 mph, 2014
Maximum Gust 12.5 mph 09:22 22.8 mph 25.3 mph, 2020 7.8 mph, 2014
Mean Wind Direction SW
Rainfall 0.0 mm 10.1 mm (76%) 0.9 mm, 2013
Maximum Hourly Rain n/a 0.9, 2013
Maximum 10-min Rain n/a 0.6, 2013
Maximum Rain Rate n/a 4.5, 2013
Minimum Dew Point 10.6 °C 00:23 7.6 °C 13.8 °C, 2016 4.3 °C, 2012
Maximum Dew Point 16.1 °C 15:57 12.5 °C 18.9 °C, 2016 9.4 °C, 2018
Mean Dew Point 14.0 °C 10.0 °C 16.6 °C, 2016 6.9 °C, 2018
Measure Value Time Month cumul. Record High Record Low
Night Minimum (21-09) 14.3 °C 12.8 °C 18.5 °C, 2016 8.8 °C, 2018
Day Maximum (09-21) 20.3 °C 18.9 °C 27.9 °C, 2016 17.0 °C, 2011
Max 10m Temp Rise 0.7 °C 13:15 0.7 °C 0.9 °C, 2013 0.4 °C, 2014
Max 1hr Temp Rise 1.1 °C 11:09 1.3 °C 3.0 °C, 2012 1.1 °C, 2009
Max 1hr Hum Rise 4% 04:00 8% 12%, 2019 4%, 2009
Max 10m Temp Fall 0.4 °C 13:05 0.6 °C 0.7 °C, 2012 0.3 °C, 2017
Max 1hr Temp Fall 0.8 °C 20:44 1.1 °C 3.1 °C, 2012 0.8 °C, 2009
Max 1hr Hum Fall 3% 09:13 8% 15%, 2013 3%, 2009
Max 10m Wind Speed 6.7 mph 09:10 10.2 mph 11.3 mph, 2011 4.6 mph, 2014
Minimum Feels-like 16.2 °C 03:38 13.6 °C 24.1 °C, 2016 6.0 °C, 2018
Maximum Feels-like 25.0 °C 15:56 20.7 °C 33.3 °C, 2016 18.5 °C, 2011
Mean Feels-like 20.7 °C 16.7 °C 27.6 °C, 2016 13.6 °C, 2018
Air-frost Hrs 0 hrs 0 hrs 0 hrs, 2009 0 hrs, 2009
Measure Value (anomaly) Month cumul. Record High Record Low
Temperature Range 6.0 °C (-2.6) 6.4 °C (-2.3) 14.2 °C (+5.6), 2012 5.2 °C (-3.4), 2011
Humidity Range 12% 34% 57%, 2012 12%, 2009
Pressure Range 3 hPa 9 hPa 12 hPa, 2016 2 hPa, 2010
Measure Value [% of max] Month cumul. Record High Record Low
Sun Hours 0 [0%]28 hrs (82%) [33%] 11.9 [99%], 2012 0 [0%], 2009
Wet Hours 05.8 hrs (61%) [3.5%] 1, 2011 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

daygraph daygraph 2 daygraph-wdir

Webcam Summary of Cloud Conditions


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Wind rose