Daily Report for 28th September 2009

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Measure Value (anomaly) Time Month cumul. Record High Record Low
Minimum Temperature 11.4 °C (+1.1) 04:06 11.7 °C (+0.5) 14.5 °C (+4.2), 2014 8.6 °C (-1.7), 2012
Maximum Temperature 18.2 °C (+1.2) 15:45 19.4 °C (+0.5) 24.9 °C (+7.9), 2011 16.9 °C (-0.1), 2018
Mean Temperature 14.5 °C (+1.2) 15.1 °C (+0.5) 18.6 °C, 2011 12.2 °C, 2012
Minimum Humidity 64% 15:48 56% 77%, 2010 47%, 2018
Maximum Humidity 91% 04:49 90% 98%, 2011 84%, 2016
Mean Humidity 79% 74% 90%, 2010 68%, 2018
Minimum Pressure 1024 hPa 20:30 1019 hPa 1035 hPa, 2015 1005 hPa, 2019
Maximum Pressure 1028 hPa 06:42 1025 hPa 1037 hPa, 2015 1010 hPa, 2019
Mean Pressure 1026 hPa 1022 hPa 1036 hPa, 2015 1009 hPa, 2019
Mean Wind Speed 2.9 mph (-1.0) 4.9 mph (+1.0) 9.8 mph, 2016 1.5 mph, 2010
Maximum Wind Speed 9.7 mph 11.6 mph 21.5 mph, 2016 5.6 mph, 2010
Maximum Gust 13.0 mph 15:18 17.4 mph 30.6 mph, 2016 7.4 mph, 2010
Mean Wind Direction W
Rainfall 0.0 mm 35.9 mm (67%) 8.1 mm, 2017
Maximum Hourly Rain n/a 3.3, 2017
Maximum 10-min Rain n/a 2.4, 2017
Maximum Rain Rate n/a 40, 2017
Minimum Dew Point 9.4 °C 01:36 7.9 °C 12.6 °C, 2010 4.3 °C, 2018
Maximum Dew Point 12.2 °C 11:16 12.8 °C 18.1 °C, 2011 11.4 °C, 2018
Mean Dew Point 10.9 °C 10.3 °C 14.1 °C, 2014 7.6 °C, 2018
Measure Value Time Month cumul. Record High Record Low
Night Minimum (21-09) 11.4 °C 11.9 °C 15.4 °C, 2017 8.6 °C, 2012
Day Maximum (09-21) 18.2 °C 19.4 °C 24.9 °C, 2011 16.9 °C, 2018
Max 10m Temp Rise n/a 13:29 0.2 °C 0.7, 2011 0.3, 2010
Max 1hr Temp Rise n/a 14:19 0.3 °C 3.4, 2011 1, 2019
Max 1hr Hum Rise n/a 13:19 2% 14, 2012 4, 2010
Max 10m Temp Fall n/a 13:19 0.2 °C 0.8, 2012 0.2, 2010
Max 1hr Temp Fall n/a 13:19 0.3 °C 2.1, 2012 0.7, 2010
Max 1hr Hum Fall n/a 14:19 2% 21, 2015 6, 2019
Max 10m Wind Speed 6.3 mph 13:20 8.1 mph 15.9 mph, 2016 4.0 mph, 2010
Minimum Feels-like 12.5 °C 04:01 12.2 °C 17.4 °C, 2014 6.7 °C, 2012
Maximum Feels-like 20.1 °C 15:36 21.4 °C 29.0 °C, 2011 16.9 °C, 2018
Mean Feels-like 16.2 °C 16.6 °C 21.9 °C, 2011 13.0 °C, 2012
Air-frost Hrs 0 hrs 0 hrs 0 hrs, 2009 0 hrs, 2009
Measure Value (anomaly) Month cumul. Record High Record Low
Temperature Range 6.8 °C (+0.1) 7.7 °C (-0.0) 12.3 °C (+5.6), 2011 3.8 °C (-2.9), 2010
Humidity Range 27% 33% 47%, 2011 19%, 2010
Pressure Range 4 hPa 5 hPa 8 hPa, 2018 2 hPa, 2012
Measure Value [% of max] Month cumul. Record High Record Low
Sun Hours 1.5 [14%]124 hrs (96%) [39%] 10.6 [99%], 2011 0.1 [1%], 2010
Wet Hours 017 hrs (45%) [2.5%] 6, 2017 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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Webcam Summary of Cloud Conditions


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Wind rose