Daily Report for 19th November 2009

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Measure Value (anomaly) Time Month cumul. Record High Record Low
Minimum Temperature 12.1 °C (+7.4) 18:06 7.2 °C (+1.5) 12.1 °C (+7.4), 2009 -1.6 °C (-6.2), 2019
Maximum Temperature 14.0 °C (+4.2) 13:07 12.2 °C (+1.6) 14.0 °C (+4.2), 2009 5.8 °C (-4.0), 2013
Mean Temperature 13.0 °C (+5.9) 9.6 °C (+1.6) 13.0 °C, 2009 2.5 °C, 2019
Minimum Humidity 66% 13:18 73% 88%, 2014 60%, 2013
Maximum Humidity 83% 06:51 95% 98%, 2010 83%, 2009
Mean Humidity 76% 87% 94%, 2014 76%, 2009
Minimum Pressure 1009 hPa 22:45 997 hPa 1021 hPa, 2017 989 hPa, 2016
Maximum Pressure 1014 hPa 01:53 1006 hPa 1026 hPa, 2018 1002 hPa, 2016
Mean Pressure 1012 hPa 1002 hPa 1023 hPa, 2017 997 hPa, 2016
Mean Wind Speed 9.9 mph (+5.3) 5.4 mph (+0.8) 9.9 mph, 2009 0.4 mph, 2019
Maximum Wind Speed 16.1 mph 12.9 mph 20.1 mph, 2015 4.6 mph, 2019
Maximum Gust 22.9 mph 12:51 18.6 mph 31.1 mph, 2018 8.7 mph, 2010
Mean Wind Direction S
Rainfall 0.0 mm 69.5 mm (196%) 3.9 mm, 2015
Maximum Hourly Rain n/a 2.1, 2015
Maximum 10-min Rain n/a 0.8, 2015
Maximum Rain Rate n/a 24, 2015
Minimum Dew Point 7.6 °C 18:47 5.1 °C 7.6 °C, 2009 -3.5 °C, 2013
Maximum Dew Point 10.1 °C 06:08 9.7 °C 10.4 °C, 2011 3.8 °C, 2016
Mean Dew Point 8.8 °C 7.3 °C 8.8 °C, 2009 -0.4 °C, 2013
Measure Value Time Month cumul. Record High Record Low
Night Minimum (21-09) * 12.6 °C * 7.6 °C 12.6 °C, 2009 -1.6 °C, 2019
Day Maximum (09-21) 14.0 °C 12.0 °C 14.0 °C, 2009 4.7 °C, 2013
Max 10m Temp Rise 0.4 °C 12:16 0.5 °C 0.5 °C, 2018 0.1 °C, 2015
Max 1hr Temp Rise 0.8 °C 13:01 1.2 °C 1.9 °C, 2016 0.5 °C, 2015
Max 1hr Hum Rise 6% 16:51 6% 8%, 2018 2%, 2014
Max 10m Temp Fall 0.3 °C 13:41 0.5 °C 0.7 °C, 2015 0.2 °C, 2014
Max 1hr Temp Fall 1.0 °C 16:56 1.2 °C 1.8 °C, 2015 0.6 °C, 2012
Max 1hr Hum Fall 8% 12:31 9% 14%, 2012 2%, 2015
Max 10m Wind Speed 13.6 mph 08:30 10.0 mph 15.1 mph, 2015 2.9 mph, 2019
Minimum Feels-like 12.3 °C 17:46 6.0 °C 12.3 °C, 2009 -7.0 °C, 2019
Maximum Feels-like 14.6 °C 03:16 14.1 °C 14.6 °C, 2009 5.8 °C, 2013
Mean Feels-like 13.8 °C 9.8 °C 13.8 °C, 2009 0.8 °C, 2013
Air-frost Hrs 0 hrs 0 hrs 8 hrs, 2019 0 hrs, 2009
Measure Value (anomaly) Month cumul. Record High Record Low
Temperature Range 1.9 °C (-3.2) 5.0 °C (+0.1) 8.4 °C (+3.3), 2019 1.9 °C (-3.2), 2009
Humidity Range 17% 21% 34%, 2013 10%, 2014
Pressure Range 5 hPa 9 hPa 13 hPa, 2016 2 hPa, 2019
Measure Value [% of max] Month cumul. Record High Record Low
Sun Hours 4 [52%]46 hrs (104%) [30%] 6 [77%], 2010 0 [0%], 2015
Wet Hours 048 hrs (120%) [11%] 5, 2015 0, 2009
Cloud Cover not available
Events None
Comments -
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

daygraph daygraph 2 daygraph-wdir

Webcam Summary of Cloud Conditions


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Wind rose