Daily Report for 28th November 2009

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Measure Value (anomaly) Time Month cumul. Record High Record Low
Minimum Temperature 4.3 °C (+0.5) 07:00 7.3 °C (+2.1) 9.5 °C (+5.7), 2014 -5.0 °C (-8.8), 2010
Maximum Temperature 8.4 °C (-0.9) 13:20 12.1 °C (+1.9) 13.2 °C (+3.9), 2018 0.6 °C (-8.7), 2010
Mean Temperature 5.8 °C (-0.2) 9.5 °C (+2.0) 11.9 °C, 2018 -2.1 °C, 2010
Minimum Humidity 67% 13:44 72% 88%, 2018 47%, 2016
Maximum Humidity 98% 23:56 94% 98%, 2009 72%, 2016
Mean Humidity 85% 86% 93%, 2018 61%, 2016
Minimum Pressure 985 hPa 23:31 997 hPa 1033 hPa, 2013 985 hPa, 2009
Maximum Pressure 998 hPa 00:18 1006 hPa 1035 hPa, 2013 998 hPa, 2009
Mean Pressure 992 hPa 1002 hPa 1034 hPa, 2013 992 hPa, 2009
Mean Wind Speed 5.3 mph (+0.7) 6.1 mph (+1.5) 8.2 mph, 2015 1.3 mph, 2013
Maximum Wind Speed 15.0 mph 14.2 mph 21.3 mph, 2018 6.7 mph, 2013
Maximum Gust 22.3 mph 11:31 20.6 mph 32.3 mph, 2018 8.7 mph, 2013
Mean Wind Direction SW
Rainfall 13.9 mm 112.0 mm (214%) 13.9 mm, 2009
Maximum Hourly Rain 3.0 mm 21:51 3.0 mm, 2009
Maximum 10-min Rain n/a 21:06 0.7, 2018
Maximum Rain Rate n/a 21:00 3.3, 2018
Minimum Dew Point 2.1 °C 15:43 5.0 °C 8.6 °C, 2014 -6.7 °C, 2010
Maximum Dew Point 7.4 °C 23:56 9.8 °C 11.9 °C, 2018 -2.2 °C, 2010
Mean Dew Point 3.4 °C 7.2 °C 10.8 °C, 2018 -4.8 °C, 2010
Measure Value Time Month cumul. Record High Record Low
Night Minimum (21-09) 4.3 °C 7.7 °C 9.5 °C, 2014 -5.0 °C, 2010
Day Maximum (09-21) 8.4 °C 11.9 °C 13.2 °C, 2018 0.6 °C, 2010
Max 10m Temp Rise n/a 23:56 0.5 °C 0.5, 2011 0.1, 2012
Max 1hr Temp Rise n/a 23:56 1.1 °C 2.1, 2011 0.3, 2012
Max 1hr Hum Rise n/a 19:15 6% 8, 2011 2, 2013
Max 10m Temp Fall n/a 06:05 0.4 °C 0.5, 2019 0.1, 2013
Max 1hr Temp Fall n/a 06:47 1.0 °C 1.3, 2019 0.4, 2013
Max 1hr Hum Fall n/a 10:26 8% 17, 2016 2, 2013
Max 10m Wind Speed 12.8 mph 10:15 10.5 mph 15.3 mph, 2018 4.2 mph, 2013
Minimum Feels-like 0.8 °C 07:35 5.7 °C 7.4 °C, 2014 -6.0 °C, 2010
Maximum Feels-like 7.9 °C 23:56 13.8 °C 15.4 °C, 2018 0.6 °C, 2010
Mean Feels-like 4.6 °C 9.6 °C 13.4 °C, 2018 -3.4 °C, 2010
Air-frost Hrs 0 hrs 0 hrs 18 hrs, 2010 0 hrs, 2009
Measure Value (anomaly) Month cumul. Record High Record Low
Temperature Range 4.1 °C (-1.4) 4.9 °C (-0.2) 12.3 °C (+6.8), 2011 1.8 °C (-3.7), 2013
Humidity Range 31% 22% 31%, 2009 7%, 2019
Pressure Range 13 hPa 9 hPa 18 hPa, 2019 2 hPa, 2013
Measure Value [% of max] Month cumul. Record High Record Low
Sun Hours 5 [67%]68 hrs (106%) [30%] 7.4 [100%], 2016 0 [0%], 2013
Wet Hours 8
[Mean rain rate: 1.7 mm/h]
79 hrs (135%) [12%] 8, 2009 0, 2010
Cloud Cover not available
Events None
Comments 01-05 Moderate, 18-22 Heavy Rain
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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