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 time of the extremum (if the value persisted for >1 minute).
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; their reliablity is questionable and they are provided for interest only.
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Daily Graph of Conditions

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