Daily Report for 22nd November 2009

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Measure Value (anomaly) Time Month cumul. Record High Record Low
Minimum Temperature 8.1 °C (+3.8) 12:20 7.4 °C (+1.9) 13.3 °C (+9.0), 2017 -1.9 °C (-6.2), 2015
Maximum Temperature 11.5 °C (+1.9) 10:18 12.4 °C (+1.9) 15.6 °C (+6.0), 2017 5.1 °C (-4.5), 2018
Mean Temperature 9.4 °C (+2.8) 9.8 °C (+1.9) 14.2 °C, 2017 1.8 °C, 2015
Minimum Humidity 71% 20:51 73% 96%, 2014 59%, 2015
Maximum Humidity 95% 10:18 95% 98%, 2011 79%, 2016
Mean Humidity 85% 87% 97%, 2011 73%, 2016
Minimum Pressure 998 hPa 16:44 998 hPa 1017 hPa, 2018 988 hPa, 2016
Maximum Pressure 1005 hPa 10:18 1007 hPa 1024 hPa, 2011 998 hPa, 2019
Mean Pressure 1002 hPa 1003 hPa 1020 hPa, 2011 996 hPa, 2019
Mean Wind Speed 8.1 mph (+3.5) 5.6 mph (+1.0) 12.2 mph, 2017 1.2 mph, 2018
Maximum Wind Speed 15.0 mph 13.1 mph 27.5 mph, 2012 5.5 mph, 2018
Maximum Gust 22.6 mph 20:01 18.9 mph 41.5 mph, 2017 8.1 mph, 2011
Mean Wind Direction SW
Rainfall 7.9 mm 88.9 mm (216%) 7.9 mm, 2009
Maximum Hourly Rain 3.8 mm 12:46 5.5 mm, 2012
Maximum 10-min Rain n/a 11:41 3.2, 2012
Maximum Rain Rate n/a 12:10 40, 2012
Minimum Dew Point 3.9 °C 18:38 5.3 °C 9.3 °C, 2014 -7.2 °C, 2015
Maximum Dew Point 12.4 °C 10:18 10.1 °C 13.7 °C, 2014 1.2 °C, 2015
Mean Dew Point 7.1 °C 7.6 °C 12.2 °C, 2014 -1.9 °C, 2015
Measure Value Time Month cumul. Record High Record Low
Night Minimum (21-09) 8.1 °C 8.0 °C 13.3 °C, 2017 -1.9 °C, 2015
Day Maximum (09-21) * 10.8 °C * 12.2 °C 15.6 °C, 2017 5.1 °C, 2018
Max 10m Temp Rise n/a 10:16 0.5 °C 0.5, 2015 0.2, 2010
Max 1hr Temp Rise n/a 10:16 1.1 °C 1.7, 2015 0.7, 2011
Max 1hr Hum Rise n/a 13:05 5% 12, 2012 1, 2014
Max 10m Temp Fall n/a 10:43 0.4 °C 0.8, 2012 0.1, 2014
Max 1hr Temp Fall n/a 12:13 1.0 °C 1.9, 2016 0.3, 2014
Max 1hr Hum Fall n/a 15:55 8% 8, 2012 1, 2014
Max 10m Wind Speed 13.7 mph 11:12 10.3 mph 18.7 mph, 2012 4.0 mph, 2018
Minimum Feels-like 4.7 °C 20:01 6.3 °C 13.7 °C, 2017 -5.3 °C, 2015
Maximum Feels-like 15.2 °C 10:16 14.4 °C 17.5 °C, 2014 5.1 °C, 2018
Mean Feels-like 8.4 °C 10.1 °C 15.4 °C, 2017 0.1 °C, 2015
Air-frost Hrs 0 hrs 0 hrs 8 hrs, 2015 0 hrs, 2009
Measure Value (anomaly) Month cumul. Record High Record Low
Temperature Range 3.4 °C (-2.0) 5.0 °C (-0.0) 7.3 °C (+2.0), 2015 2.0 °C (-3.4), 2010
Humidity Range 24% 21% 31%, 2013 1%, 2014
Pressure Range 7 hPa 10 hPa 22 hPa, 2016 2 hPa, 2010
Measure Value [% of max] Month cumul. Record High Record Low
Sun Hours 2 [26%]50 hrs (97%) [28%] 4.5 [59%], 2013 0 [0%], 2011
Wet Hours 4
[Mean rain rate: 2.0 mm/h]
62 hrs (134%) [12%] 5, 2019 0, 2015
Cloud Cover not available
Events Light Thunderstorm
Comments 12 Thunderstormtorm ; 00 Heavy, 03 Moderate, 06 Heavy, 12 VHeavy, 13 Moderate 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