Daily Report for 9th August 2009

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Measure Value (anomaly) Time Month cumul. Record High Record Low
Minimum Temperature 16.1 °C (+2.6) 06:36 14.3 °C (+0.7) 16.1 °C (+2.6), 2009 11.5 °C (-2.1), 2016
Maximum Temperature 23.5 °C (+0.9) 14:10 22.7 °C (+0.1) 26.1 °C (+3.5), 2015 15.4 °C (-7.2), 2017
Mean Temperature 19.6 °C (+1.7) 18.2 °C (+0.4) 20.7 °C, 2015 13.9 °C, 2017
Minimum Humidity 48% 16:03 57% 78%, 2017 30%, 2015
Maximum Humidity 81% 07:35 93% 94%, 2014 71%, 2011
Mean Humidity 64% 77% 85%, 2018 52%, 2016
Minimum Pressure 1017 hPa 19:14 1015 hPa 1024 hPa, 2012 1003 hPa, 2014
Maximum Pressure 1021 hPa 06:08 1018 hPa 1027 hPa, 2012 1009 hPa, 2014
Mean Pressure 1019 hPa 1017 hPa 1026 hPa, 2012 1007 hPa, 2014
Mean Wind Speed 2.2 mph (-1.8) 2.8 mph (-1.2) 6.7 mph, 2016 1.8 mph, 2012
Maximum Wind Speed 7.6 mph 7.8 mph 17.1 mph, 2016 7.4 mph, 2012
Maximum Gust 10.1 mph 21:10 11.2 mph 24.2 mph, 2016 8.7 mph, 2012
Mean Wind Direction E
Rainfall 0.0 mm 36.4 mm (237%) 39.1 mm, 2017
Maximum Hourly Rain n/a 11.2, 2017
Maximum 10-min Rain n/a 4.3, 2017
Maximum Rain Rate n/a 48, 2017
Minimum Dew Point 9.9 °C 23:55 10.9 °C 10.7 °C, 2018 3.3 °C, 2016
Maximum Dew Point 14.5 °C 01:00 16.2 °C 16.7 °C, 2013 8.3 °C, 2016
Mean Dew Point 12.2 °C 13.7 °C 12.9 °C, 2018 5.5 °C, 2016
Measure Value Time Month cumul. Record High Record Low
Night Minimum (21-09) 16.1 °C 14.5 °C 16.1 °C, 2009 11.5 °C, 2016
Day Maximum (09-21) 23.5 °C 22.7 °C 26.1 °C, 2015 15.4 °C, 2017
Max 10m Temp Rise 0.4 °C 11:13 0.5 °C 1.1 °C, 2012 0.2 °C, 2017
Max 1hr Temp Rise 1.6 °C 13:12 1.6 °C 5.0 °C, 2012 0.6 °C, 2018
Max 1hr Hum Rise 6% 01:01 7% 12%, 2018 2%, 2017
Max 10m Temp Fall 0.4 °C 23:56 0.4 °C 0.7 °C, 2013 0.2 °C, 2017
Max 1hr Temp Fall 1.4 °C 23:56 1.5 °C 2.2 °C, 2013 0.8 °C, 2017
Max 1hr Hum Fall 9% 11:04 7% 18%, 2014 1%, 2017
Max 10m Wind Speed 4.8 mph 11:50 5.6 mph 13.5 mph, 2016 4.8 mph, 2009
Minimum Feels-like 18.6 °C 06:27 14.8 °C 18.6 °C, 2009 11.5 °C, 2016
Maximum Feels-like 26.0 °C 14:04 24.2 °C 27.8 °C, 2012 18.3 °C, 2017
Mean Feels-like 21.9 °C 19.2 °C 22.3 °C, 2012 15.7 °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 7.4 °C (-1.6) 8.4 °C (-0.5) 13.5 °C (+4.5), 2012 2.3 °C (-6.7), 2017
Humidity Range 33% 36% 57%, 2012 8%, 2017
Pressure Range 4 hPa 4 hPa 13 hPa, 2017 3 hPa, 2012
Measure Value [% of max] Month cumul. Record High Record Low
Sun Hours 6 [44%]42 hrs (77%) [34%] 12 [88%], 2015 0 [0%], 2017
Wet Hours 09.8 hrs (89%) [4.5%] 16, 2017 0, 2009
Cloud Cover not available
Events None
Comments -
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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