Daily Report for 6th August 2009

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Measure Value (anomaly) Time Month cumul. Record High Record Low
Minimum Temperature 16.8 °C (+3.1) 15:43 14.5 °C (+0.8) 16.8 °C (+3.1), 2009 10.2 °C (-3.5), 2010
Maximum Temperature 26.2 °C (+3.6) 15:15 23.0 °C (+0.4) 31.6 °C (+9.0), 2018 19.9 °C (-2.7), 2011
Mean Temperature 19.4 °C (+3.4) 18.3 °C (+0.6) 24.2 °C, 2018 16.8 °C, 2010
Minimum Humidity 63% 15:33 55% 63%, 2009 28%, 2018
Maximum Humidity 97% 23:47 93% 97%, 2009 79%, 2011
Mean Humidity 84% 76% 84%, 2009 56%, 2018
Minimum Pressure 1017 hPa 15:14 1013 hPa 1023 hPa, 2016 1000 hPa, 2011
Maximum Pressure 1020 hPa 15:43 1017 hPa 1026 hPa, 2016 1009 hPa, 2011
Mean Pressure 1018 hPa 1015 hPa 1025 hPa, 2016 1004 hPa, 2011
Mean Wind Speed 2.6 mph (-1.4) 3.1 mph (-0.9) 6.1 mph, 2016 2.1 mph, 2018
Maximum Wind Speed 9.0 mph 8.3 mph 15.5 mph, 2016 6.7 mph, 2013
Maximum Gust 12.1 mph 06:02 12.3 mph 22.8 mph, 2010 9.8 mph, 2013
Mean Wind Direction NW
Rainfall 34.3 mm 34.7 mm (338%) 34.3 mm, 2009
Maximum Hourly Rain 9.9 mm 20:16 9.9 mm, 2009
Maximum 10-min Rain 4.7 mm 18:20 4.7 mm, 2009
Maximum Rain Rate 66 mm/h 18:16 66 mm/h, 2009
Minimum Dew Point 14.2 °C 07:02 10.6 °C 14.2 °C, 2009 6.9 °C, 2010
Maximum Dew Point 19.4 °C 14:00 16.3 °C 19.4 °C, 2009 11.2 °C, 2017
Mean Dew Point 16.5 °C 13.7 °C 16.5 °C, 2009 8.8 °C, 2017
Measure Value Time Month cumul. Record High Record Low
Night Minimum (21-09) 16.8 °C 14.6 °C 16.8 °C, 2009 10.2 °C, 2010
Day Maximum (09-21) 26.2 °C 23.0 °C 31.6 °C, 2018 19.9 °C, 2011
Max 10m Temp Rise 0.6 °C 13:39 0.6 °C 1.0 °C, 2010 0.4 °C, 2011
Max 1hr Temp Rise 2.4 °C 14:09 2.0 °C 4.7 °C, 2018 1.8 °C, 2011
Max 1hr Hum Rise 15% 17:46 9% 15%, 2009 6%, 2017
Max 10m Temp Fall 0.9 °C 17:17 0.5 °C 0.9 °C, 2009 0.3 °C, 2010
Max 1hr Temp Fall 3.2 °C 17:44 1.7 °C 3.2 °C, 2009 1.3 °C, 2017
Max 1hr Hum Fall 8% 14:02 8% 21%, 2018 8%, 2009
Max 10m Wind Speed 5.8 mph 15:37 6.0 mph 11.8 mph, 2016 5.4 mph, 2013
Minimum Feels-like 20.5 °C 07:07 14.0 °C 20.5 °C, 2009 10.2 °C, 2010
Maximum Feels-like 32.9 °C 14:14 23.2 °C 34.4 °C, 2018 21.6 °C, 2011
Mean Feels-like 24.4 °C 18.3 °C 27.5 °C, 2018 17.9 °C, 2017
Air-frost Hrs 0 hrs 0 hrs 0 hrs, 2009 0 hrs, 2009
Measure Value (anomaly) Month cumul. Record High Record Low
Temperature Range 9.4 °C (+0.4) 8.5 °C (-0.4) 16.8 °C (+7.8), 2018 5.1 °C (-3.9), 2011
Humidity Range 34% 38% 64%, 2018 27%, 2011
Pressure Range 3 hPa 4 hPa 9 hPa, 2011 2 hPa, 2010
Measure Value [% of max] Month cumul. Record High Record Low
Sun Hours 4 [29%]22 hrs (60%) [27%] 13.5 [98%], 2018 1 [7%], 2011
Wet Hours 7.5
[Mean rain rate: 4.6 mm/h]
8.8 hrs (120%) [6.1%] 7.5, 2009 0, 2013
Cloud Cover not available
Events None
Comments Light 0630-07, Heavy/VHeavy 17-00 Rain (Torrential 18-1820)
Extra Comments
Issues None known
Observer Absent? No
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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