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 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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