Daily Report for 11th November 2009

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Measure Value (anomaly) Time Month cumul. Record High Record Low
Minimum Temperature 7.0 °C (+1.3) 03:41 5.7 °C (-0.5) 13.2 °C (+7.5), 2015 1.3 °C (-4.4), 2013
Maximum Temperature 9.7 °C (-0.7) 12:54 11.1 °C (-0.1) 15.1 °C (+4.7), 2015 8.8 °C (-1.6), 2017
Mean Temperature 8.3 °C (+0.3) 8.3 °C (-0.3) 14.0 °C, 2015 5.7 °C, 2012
Minimum Humidity 94% 23:01 76% 94%, 2009 62%, 2016
Maximum Humidity 98% 05:31 96% 98%, 2009 80%, 2016
Mean Humidity 97% 89% 97%, 2009 75%, 2016
Minimum Pressure 999 hPa 23:45 995 hPa 1021 hPa, 2013 981 hPa, 2010
Maximum Pressure 1009 hPa 03:38 1005 hPa 1025 hPa, 2013 1000 hPa, 2014
Mean Pressure 1004 hPa 1000 hPa 1022 hPa, 2013 992 hPa, 2010
Mean Wind Speed 2.2 mph (-2.4) 4.0 mph (-0.6) 11.4 mph, 2010 1.9 mph, 2017
Maximum Wind Speed 9.2 mph 10.2 mph 25.5 mph, 2010 6.9 mph, 2017
Maximum Gust 13.3 mph 20:51 14.5 mph 36.3 mph, 2010 10.2 mph, 2012
Mean Wind Direction E
Rainfall 2.2 mm 31.7 mm (154%) 12.3 mm, 2017
Maximum Hourly Rain 0.8 mm 13:21 5.1 mm, 2017
Maximum 10-min Rain n/a 23:21 1.5, 2017
Maximum Rain Rate n/a 23:21 30, 2010
Minimum Dew Point 6.7 °C 03:08 4.3 °C 9.5 °C, 2015 -2.7 °C, 2010
Maximum Dew Point 9.0 °C 15:16 8.9 °C 13.0 °C, 2010 4.0 °C, 2016
Mean Dew Point 7.8 °C 6.4 °C 10.4 °C, 2015 1.9 °C, 2016
Measure Value Time Month cumul. Record High Record Low
Night Minimum (21-09) 7.0 °C 6.3 °C 13.7 °C, 2015 1.2 °C, 2013
Day Maximum (09-21) 9.7 °C 11.1 °C 15.1 °C, 2015 8.8 °C, 2017
Max 10m Temp Rise 0.7 °C 10:21 0.6 °C 0.7 °C, 2009 0.1 °C, 2015
Max 1hr Temp Rise 1.5 °C 11:21 1.4 °C 2.1 °C, 2013 0.4 °C, 2015
Max 1hr Hum Rise 2% 14:56 6% 9%, 2010 2%, 2009
Max 10m Temp Fall 0.2 °C 18:06 0.5 °C 1.1 °C, 2010 0.1 °C, 2013
Max 1hr Temp Fall 0.6 °C 18:06 1.3 °C 2.8 °C, 2010 0.1 °C, 2013
Max 1hr Hum Fall 3% 11:46 9% 18%, 2010 3%, 2009
Max 10m Wind Speed 5.7 mph 21:47 8.2 mph 15.9 mph, 2010 4.9 mph, 2017
Minimum Feels-like 6.7 °C 22:56 4.2 °C 14.5 °C, 2015 -1.5 °C, 2010
Maximum Feels-like 10.5 °C 12:45 11.9 °C 16.5 °C, 2010 7.8 °C, 2019
Mean Feels-like 8.4 °C 8.2 °C 15.5 °C, 2015 4.2 °C, 2019
Air-frost Hrs 0 hrs 0 hrs 0 hrs, 2009 0 hrs, 2009
Measure Value (anomaly) Month cumul. Record High Record Low
Temperature Range 2.7 °C (-2.0) 5.3 °C (+0.3) 12.0 °C (+7.3), 2010 1.8 °C (-2.9), 2017
Humidity Range 4% 20% 31%, 2012 4%, 2009
Pressure Range 10 hPa 10 hPa 23 hPa, 2010 2 hPa, 2011
Measure Value [% of max] Month cumul. Record High Record Low
Sun Hours 1 [12%]26 hrs (100%) [29%] 7.8 [96%], 2012 0 [0%], 2011
Wet Hours 4
[Mean rain rate: 0.6 mm/h]
23 hrs (100%) [8.7%] 9, 2017 0, 2012
Cloud Cover not available
Events None
Comments 03, 12-14, 16, 21-00 Light/Moderate Rain/Showers
Extra Comments
Issues ALL MONTH: Rainfall data is approximate and 10-min totals & rain rates are unavailable due to 5-min logging, but monthly sum is correct.
Observer Absent? Yes - observations may be unreliable
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