Daily Report for 26th September 2009

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Measure Value (anomaly) Time Month cumul. Record High Record Low
Minimum Temperature 8.5 °C (-1.9) 07:04 11.8 °C (+0.6) 15.0 °C (+4.6), 2011 7.3 °C (-3.1), 2015
Maximum Temperature 19.6 °C (+2.4) 15:57 19.4 °C (+0.3) 23.8 °C (+6.6), 2018 13.8 °C (-3.4), 2010
Mean Temperature 13.1 °C (+0.2) 15.2 °C (+0.4) 17.7 °C, 2011 10.4 °C, 2010
Minimum Humidity 51% 16:26 56% 75%, 2012 33%, 2018
Maximum Humidity 89% 08:31 90% 94%, 2019 84%, 2016
Mean Humidity 74% 74% 85%, 2012 64%, 2018
Minimum Pressure 1026 hPa 13:31 1019 hPa 1030 hPa, 2018 989 hPa, 2012
Maximum Pressure 1029 hPa 10:15 1024 hPa 1035 hPa, 2018 999 hPa, 2012
Mean Pressure 1028 hPa 1022 hPa 1032 hPa, 2018 992 hPa, 2012
Mean Wind Speed 1.1 mph (-2.8) 5.1 mph (+1.2) 6.5 mph, 2019 1.1 mph, 2009
Maximum Wind Speed 4.5 mph 11.8 mph 15.3 mph, 2016 4.5 mph, 2009
Maximum Gust 6.4 mph 14:11 17.8 mph 24.2 mph, 2019 6.4 mph, 2009
Mean Wind Direction NW
Rainfall 0.0 mm 35.9 mm (73%) 4.1 mm, 2012
Maximum Hourly Rain n/a 3, 2011
Maximum 10-min Rain n/a 2.5, 2016
Maximum Rain Rate n/a 66, 2016
Minimum Dew Point 6.4 °C 06:34 7.9 °C 13.3 °C, 2011 2.9 °C, 2010
Maximum Dew Point 10.8 °C 13:55 12.8 °C 16.7 °C, 2011 10.0 °C, 2015
Mean Dew Point 8.2 °C 10.3 °C 14.5 °C, 2011 6.5 °C, 2015
Measure Value Time Month cumul. Record High Record Low
Night Minimum (21-09) 8.5 °C 12.0 °C 16.3 °C, 2011 7.3 °C, 2015
Day Maximum (09-21) 19.6 °C 19.3 °C 23.8 °C, 2018 13.8 °C, 2010
Max 10m Temp Rise n/a 10:17 0.2 °C 0.9, 2018 0.4, 2012
Max 1hr Temp Rise n/a 10:00 0.4 °C 3.5, 2018 1.4, 2012
Max 1hr Hum Rise n/a 19:37 2% 15, 2016 5, 2013
Max 10m Temp Fall n/a 10:09 0.2 °C 1.3, 2016 0.3, 2013
Max 1hr Temp Fall n/a 19:37 0.3 °C 4, 2018 1, 2010
Max 1hr Hum Fall n/a 14:19 2% 15, 2018 3, 2010
Max 10m Wind Speed 2.9 mph 15:03 8.3 mph 12.1 mph, 2016 2.9 mph, 2009
Minimum Feels-like 8.5 °C 06:43 12.3 °C 18.1 °C, 2011 4.3 °C, 2010
Maximum Feels-like 20.9 °C 15:39 21.4 °C 25.2 °C, 2011 14.7 °C, 2010
Mean Feels-like 13.5 °C 16.7 °C 21.4 °C, 2011 10.3 °C, 2010
Air-frost Hrs 0 hrs 0 hrs 0 hrs, 2009 0 hrs, 2009
Measure Value (anomaly) Month cumul. Record High Record Low
Temperature Range 11.1 °C (+4.3) 7.5 °C (-0.2) 16.1 °C (+9.3), 2018 5.1 °C (-1.7), 2012
Humidity Range 38% 34% 58%, 2018 18%, 2012
Pressure Range 3 hPa 6 hPa 10 hPa, 2011 2 hPa, 2016
Measure Value [% of max] Month cumul. Record High Record Low
Sun Hours 8 [74%]113 hrs (94%) [38%] 10.9 [101%], 2018 1 [9%], 2011
Wet Hours 017 hrs (48%) [2.7%] 6, 2012 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