Daily Report for 10th December 2009

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Measure Value (anomaly) Time Month cumul. Record High Record Low
Minimum Temperature 3.6 °C (+0.2) 23:46 4.8 °C (+1.3) 9.5 °C (+6.1), 2015 0.2 °C (-3.2), 2017
Maximum Temperature 10.0 °C (+1.7) 00:50 9.8 °C (+1.3) 13.7 °C (+5.4), 2016 2.6 °C (-5.7), 2017
Mean Temperature 7.6 °C (+1.0) 7.4 °C (+1.3) 12.0 °C, 2016 0.9 °C, 2017
Minimum Humidity 77% 13:48 80% 84%, 2019 53%, 2014
Maximum Humidity 97% 01:21 97% 98%, 2013 79%, 2016
Mean Humidity 89% 90% 92%, 2017 71%, 2014
Minimum Pressure 1021 hPa 00:37 1000 hPa 1030 hPa, 2013 972 hPa, 2017
Maximum Pressure 1033 hPa 22:07 1010 hPa 1033 hPa, 2009 1004 hPa, 2017
Mean Pressure 1027 hPa 1005 hPa 1031 hPa, 2013 982 hPa, 2017
Mean Wind Speed 4.0 mph (-1.1) 4.9 mph (-0.2) 9.2 mph, 2015 2.6 mph, 2013
Maximum Wind Speed 10.5 mph 10.6 mph 23.0 mph, 2014 8.7 mph, 2011
Maximum Gust 15.2 mph 01:17 16.4 mph 33.7 mph, 2014 12.8 mph, 2011
Mean Wind Direction W
Rainfall 0.5 mm 32.7 mm (181%) 20.5 mm, 2017
Maximum Hourly Rain n/a 01:31 5.1, 2017
Maximum 10-min Rain 0.3 mm 01:31 2.0 mm, 2019
Maximum Rain Rate n/a 40, 2019
Minimum Dew Point 2.8 °C 23:24 3.1 °C 6.0 °C, 2015 -2.5 °C, 2011
Maximum Dew Point 9.5 °C 00:50 8.8 °C 10.4 °C, 2014 0.6 °C, 2011
Mean Dew Point 5.9 °C 5.8 °C 8.3 °C, 2016 -1.0 °C, 2011
Measure Value Time Month cumul. Record High Record Low
Night Minimum (21-09) * 6.5 °C * 5.9 °C 11.2 °C, 2016 0.2 °C, 2017
Day Maximum (09-21) * 9.6 °C * 9.4 °C 13.7 °C, 2016 1.0 °C, 2017
Max 10m Temp Rise 0.4 °C 12:41 0.4 °C 0.7 °C, 2017 0.2 °C, 2012
Max 1hr Temp Rise 1.0 °C 10:52 1.0 °C 2.3 °C, 2013 0.4 °C, 2016
Max 1hr Hum Rise 4% 17:00 5% 11%, 2017 2%, 2016
Max 10m Temp Fall 0.3 °C 18:51 0.4 °C 0.7 °C, 2013 0.2 °C, 2010
Max 1hr Temp Fall 1.0 °C 17:05 0.9 °C 2.5 °C, 2016 0.5 °C, 2018
Max 1hr Hum Fall 7% 13:41 7% 24%, 2014 3%, 2012
Max 10m Wind Speed 8.8 mph 11:41 8.5 mph 17.6 mph, 2014 6.8 mph, 2011
Minimum Feels-like 2.0 °C 23:54 2.0 °C 6.6 °C, 2015 -5.0 °C, 2019
Maximum Feels-like 11.1 °C 00:00 10.7 °C 14.8 °C, 2016 2.3 °C, 2017
Mean Feels-like 7.0 °C 6.8 °C 12.4 °C, 2016 -1.5 °C, 2017
Air-frost Hrs 0 hrs 0 hrs 0 hrs, 2009 0 hrs, 2009
Measure Value (anomaly) Month cumul. Record High Record Low
Temperature Range 6.4 °C (+1.5) 5.0 °C (-0.0) 9.5 °C (+4.6), 2019 2.4 °C (-2.5), 2017
Humidity Range 20% 17% 39%, 2014 4%, 2016
Pressure Range 12 hPa 10 hPa 32 hPa, 2017 1 hPa, 2013
Measure Value [% of max] Month cumul. Record High Record Low
Sun Hours 6 [85%]28 hrs (175%) [38%] 6.5 [92%], 2011 0 [0%], 2010
Wet Hours 0.5
[Mean rain rate: 1.0 mm/h]
31 hrs (152%) [13%] 12, 2017 0, 2010
Cloud Cover not available
Events None
Comments 0130 Moderate Shower
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