Daily Report for 23rd November 2009

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Measure Value (anomaly) Time Month cumul. Record High Record Low
Minimum Temperature 8.3 °C (+4.2) 01:54 7.5 °C (+2.0) 8.4 °C (+4.2), 2017 0.6 °C (-3.6), 2015
Maximum Temperature 13.1 °C (+3.5) 13:41 12.4 °C (+2.0) 15.3 °C (+5.7), 2017 6.6 °C (-3.0), 2010
Mean Temperature 10.3 °C (+3.8) 9.8 °C (+2.0) 11.0 °C, 2017 4.0 °C, 2015
Minimum Humidity 71% 00:23 73% 96%, 2014 57%, 2017
Maximum Humidity 97% 09:56 95% 98%, 2011 79%, 2016
Mean Humidity 84% 87% 98%, 2014 72%, 2017
Minimum Pressure 994 hPa 13:53 998 hPa 1024 hPa, 2011 986 hPa, 2017
Maximum Pressure 1006 hPa 23:11 1007 hPa 1029 hPa, 2011 1001 hPa, 2019
Mean Pressure 1000 hPa 1002 hPa 1026 hPa, 2011 995 hPa, 2019
Mean Wind Speed 9.5 mph (+4.9) 5.7 mph (+1.1) 9.8 mph, 2017 2.2 mph, 2011
Maximum Wind Speed 24.2 mph 13.6 mph 25.3 mph, 2017 7.8 mph, 2011
Maximum Gust 35.7 mph 15:16 19.7 mph 35.7 mph, 2009 10.2 mph, 2011
Mean Wind Direction SW
Rainfall 4.6 mm 93.5 mm (218%) 29.8 mm, 2014
Maximum Hourly Rain 1.4 mm 08:56 3.9 mm, 2014
Maximum 10-min Rain n/a 14:10 1.4, 2014
Maximum Rain Rate n/a 14:10 24, 2014
Minimum Dew Point 3.5 °C 01:06 5.3 °C 6.0 °C, 2019 -0.9 °C, 2015
Maximum Dew Point 11.7 °C 12:58 10.2 °C 13.4 °C, 2014 3.4 °C, 2015
Mean Dew Point 7.7 °C 7.6 °C 8.3 °C, 2014 1.0 °C, 2015
Measure Value Time Month cumul. Record High Record Low
Night Minimum (21-09) 8.3 °C 8.0 °C 9.3 °C, 2017 0.6 °C, 2015
Day Maximum (09-21) 13.1 °C 12.2 °C 13.1 °C, 2009 6.3 °C, 2015
Max 10m Temp Rise n/a 06:51 0.4 °C 0.5, 2013 0.1, 2014
Max 1hr Temp Rise n/a 10:56 1.0 °C 1.6, 2011 0.4, 2014
Max 1hr Hum Rise n/a 05:21 5% 10, 2017 1, 2014
Max 10m Temp Fall n/a 14:11 0.4 °C 0.7, 2017 0.2, 2010
Max 1hr Temp Fall n/a 15:06 1.0 °C 2.4, 2017 0.3, 2018
Max 1hr Hum Fall n/a 13:57 8% 13, 2017 1, 2014
Max 10m Wind Speed 17.3 mph 14:12 10.6 mph 18.8 mph, 2017 5.6 mph, 2010
Minimum Feels-like 4.3 °C 02:26 6.2 °C 4.5 °C, 2017 -2.5 °C, 2015
Maximum Feels-like 15.0 °C 13:06 14.4 °C 16.9 °C, 2014 5.5 °C, 2013
Mean Feels-like 10.0 °C 10.1 °C 10.7 °C, 2017 1.8 °C, 2015
Air-frost Hrs 0 hrs 0 hrs 0 hrs, 2009 0 hrs, 2009
Measure Value (anomaly) Month cumul. Record High Record Low
Temperature Range 4.8 °C (-0.6) 5.0 °C (-0.1) 9.5 °C (+4.1), 2014 3.1 °C (-2.3), 2019
Humidity Range 26% 22% 35%, 2017 2%, 2014
Pressure Range 12 hPa 10 hPa 21 hPa, 2017 3 hPa, 2010
Measure Value [% of max] Month cumul. Record High Record Low
Sun Hours 1 [13%]51 hrs (95%) [27%] 6.5 [86%], 2017 0 [0%], 2014
Wet Hours 4
[Mean rain rate: 1.1 mm/h]
66 hrs (137%) [12%] 16, 2014 0, 2010
Cloud Cover not available
Events None
Comments 06-09 Moderate Rain; 10 & 12 Moderate, 14 Torrential 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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