Daily Report for 24th August 2009

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Measure Value (anomaly) Time Month cumul. Record High Record Low
Minimum Temperature 14.2 °C (+1.3) 06:48 14.4 °C (+1.1) 17.2 °C (+4.3), 2016 7.3 °C (-5.6), 2014
Maximum Temperature 23.6 °C (+1.7) 16:33 23.0 °C (+0.6) 32.2 °C (+10.3), 2016 16.7 °C (-5.2), 2015
Mean Temperature 18.5 °C (+1.5) 18.3 °C (+0.8) 24.1 °C, 2016 14.0 °C, 2014
Minimum Humidity 50% 16:53 53% 77%, 2015 32%, 2016
Maximum Humidity 85% 07:34 90% 96%, 2013 83%, 2017
Mean Humidity 69% 73% 90%, 2013 61%, 2014
Minimum Pressure 1004 hPa 15:56 1015 hPa 1018 hPa, 2019 995 hPa, 2015
Maximum Pressure 1010 hPa 00:36 1019 hPa 1023 hPa, 2019 1005 hPa, 2015
Mean Pressure 1007 hPa 1017 hPa 1020 hPa, 2019 1000 hPa, 2015
Mean Wind Speed 2.9 mph (-1.1) 3.6 mph (-0.4) 8.4 mph, 2010 2.1 mph, 2019
Maximum Wind Speed 10.9 mph 10.1 mph 22.1 mph, 2010 9.4 mph, 2013
Maximum Gust 16.1 mph 15:45 14.9 mph 36.2 mph, 2010 12.3 mph, 2014
Mean Wind Direction SW
Rainfall 0.0 mm 38.3 mm (93%) 19.2 mm, 2013
Maximum Hourly Rain n/a 16:10 9.2, 2013
Maximum 10-min Rain n/a 16:10 6.7, 2013
Maximum Rain Rate n/a 16:10 90, 2013
Minimum Dew Point 9.7 °C 23:40 10.6 °C 13.2 °C, 2016 4.4 °C, 2014
Maximum Dew Point 14.7 °C 15:34 15.6 °C 18.8 °C, 2016 9.1 °C, 2014
Mean Dew Point 12.4 °C 13.1 °C 15.7 °C, 2013 6.2 °C, 2014
Measure Value Time Month cumul. Record High Record Low
Night Minimum (21-09) 14.2 °C 14.5 °C 17.3 °C, 2013 7.3 °C, 2014
Day Maximum (09-21) 23.6 °C 23.0 °C 32.2 °C, 2016 16.7 °C, 2015
Max 10m Temp Rise 0.9 °C 08:11 0.5 °C 0.9 °C, 2009 0.3 °C, 2013
Max 1hr Temp Rise 2.2 °C 09:02 1.5 °C 3.4 °C, 2016 1.0 °C, 2013
Max 1hr Hum Rise 11% 18:25 7% 32%, 2018 4%, 2013
Max 10m Temp Fall 0.5 °C 17:40 0.5 °C 2.5 °C, 2018 0.3 °C, 2013
Max 1hr Temp Fall 1.8 °C 18:31 1.4 °C 4.5 °C, 2018 1.2 °C, 2015
Max 1hr Hum Fall 10% 16:38 8% 17%, 2019 1%, 2015
Max 10m Wind Speed 7.9 mph 18:58 7.0 mph 14.9 mph, 2010 7.0 mph, 2013
Minimum Feels-like 16.1 °C 06:23 15.9 °C 20.7 °C, 2016 6.2 °C, 2014
Maximum Feels-like 27.0 °C 15:56 25.5 °C 35.8 °C, 2016 18.3 °C, 2014
Mean Feels-like 21.0 °C 20.4 °C 28.3 °C, 2016 14.0 °C, 2014
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 (-0.5) 16.1 °C (+7.1), 2019 4.0 °C (-5.0), 2015
Humidity Range 35% 38% 59%, 2019 16%, 2015
Pressure Range 6 hPa 4 hPa 10 hPa, 2015 1 hPa, 2013
Measure Value [% of max] Month cumul. Record High Record Low
Sun Hours 4 [31%]121 hrs (85%) [38%] 10 [78%], 2010 0 [0%], 2013
Wet Hours 015 hrs (52%) [2.7%] 20, 2013 0, 2009
Cloud Cover not available
Events None
Comments -
Extra Comments
Issues None known
Observer Absent? No
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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Wind rose