Daily Report for 6th September 2009

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Measure Value (anomaly) Time Month cumul. Record High Record Low
Minimum Temperature 13.1 °C (+1.2) 07:02 12.3 °C (+0.3) 19.3 °C (+7.4), 2016 5.6 °C (-6.3), 2015
Maximum Temperature 19.3 °C (-1.3) 15:19 18.7 °C (-2.0) 23.2 °C (+2.6), 2016 17.9 °C (-2.7), 2011
Mean Temperature 15.3 °C (-0.1) 15.0 °C (-0.9) 21.3 °C, 2016 12.3 °C, 2015
Minimum Humidity 48% 14:54 50% 77%, 2011 37%, 2012
Maximum Humidity 77% 12:58 88% 94%, 2011 77%, 2009
Mean Humidity 68% 70% 87%, 2016 60%, 2012
Minimum Pressure 1019 hPa 20:41 1005 hPa 1026 hPa, 2015 1000 hPa, 2010
Maximum Pressure 1025 hPa 07:47 1015 hPa 1030 hPa, 2012 1010 hPa, 2013
Mean Pressure 1022 hPa 1010 hPa 1028 hPa, 2015 1008 hPa, 2010
Mean Wind Speed 4.8 mph (+0.9) 6.5 mph (+2.6) 9.8 mph, 2011 1.0 mph, 2020
Maximum Wind Speed 10.7 mph 15.1 mph 21.0 mph, 2011 5.6 mph, 2014
Maximum Gust 15.4 mph 00:05 24.6 mph 33.9 mph, 2011 6.4 mph, 2014
Mean Wind Direction SW
Rainfall 0.0 mm 10.1 mm (89%) 21.7 mm, 2011
Maximum Hourly Rain n/a 18.4, 2011
Maximum 10-min Rain n/a 7.4, 2011
Maximum Rain Rate n/a 100, 2011
Minimum Dew Point 7.2 °C 10:59 7.1 °C 16.8 °C, 2016 4.1 °C, 2015
Maximum Dew Point 10.8 °C 23:37 11.9 °C 19.7 °C, 2016 10.1 °C, 2015
Mean Dew Point 9.3 °C 9.4 °C 19.0 °C, 2016 6.6 °C, 2015
Measure Value Time Month cumul. Record High Record Low
Night Minimum (21-09) 13.1 °C 12.5 °C 19.9 °C, 2016 5.6 °C, 2015
Day Maximum (09-21) 19.3 °C 18.7 °C 23.2 °C, 2016 16.9 °C, 2013
Max 10m Temp Rise 0.5 °C 10:06 0.8 °C 0.9 °C, 2012 0.2 °C, 2011
Max 1hr Temp Rise 1.8 °C 13:35 1.3 °C 4.7 °C, 2012 0.8 °C, 2011
Max 1hr Hum Rise 7% 16:21 8% 15%, 2012 3%, 2016
Max 10m Temp Fall 0.4 °C 16:25 0.7 °C 0.6 °C, 2015 0.3 °C, 2013
Max 1hr Temp Fall 1.3 °C 19:41 1.1 °C 2.4 °C, 2015 1.0 °C, 2018
Max 1hr Hum Fall 10% 10:54 9% 19%, 2012 5%, 2016
Max 10m Wind Speed 8.0 mph 00:06 10.8 mph 13.1 mph, 2011 3.5 mph, 2014
Minimum Feels-like 13.8 °C 07:22 13.1 °C 24.5 °C, 2016 3.9 °C, 2015
Maximum Feels-like 20.0 °C 15:13 20.0 °C 30.3 °C, 2016 18.9 °C, 2015
Mean Feels-like 16.3 °C 16.1 °C 28.1 °C, 2016 12.4 °C, 2015
Air-frost Hrs 0 hrs 0 hrs 0 hrs, 2009 0 hrs, 2009
Measure Value (anomaly) Month cumul. Record High Record Low
Temperature Range 6.2 °C (-2.5) 6.4 °C (-2.3) 13.7 °C (+5.0), 2012 3.9 °C (-4.8), 2016
Humidity Range 29% 38% 52%, 2012 16%, 2019
Pressure Range 6 hPa 10 hPa 20 hPa, 2016 3 hPa, 2020
Measure Value [% of max] Month cumul. Record High Record Low
Sun Hours 4 [33%]28 hrs (95%) [38%] 11 [91%], 2012 0 [0%], 2011
Wet Hours 05.8 hrs (71%) [4%] 5, 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

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Webcam Summary of Cloud Conditions


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Wind rose