Daily Report for 26th April 2009

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Measure Value (anomaly) Time Month cumul. Record High Record Low
Minimum Temperature 3.7 °C (-1.8) 06:29 6.8 °C (+1.9) 9.3 °C (+3.8), 2012 2.1 °C (-3.4), 2016
Maximum Temperature 18.4 °C (+4.5) 15:45 16.3 °C (+3.7) 20.8 °C (+6.9), 2020 9.5 °C (-4.4), 2016
Mean Temperature 10.8 °C (+1.3) 11.0 °C (+2.8) 13.1 °C, 2020 5.3 °C, 2017
Minimum Humidity 32% 17:54 54% 65%, 2015 32%, 2009
Maximum Humidity 85% 08:05 90% 96%, 2014 78%, 2017
Mean Humidity 59% 74% 82%, 2015 59%, 2009
Minimum Pressure 1003 hPa 23:02 1011 hPa 1024 hPa, 2011 984 hPa, 2012
Maximum Pressure 1010 hPa 01:12 1017 hPa 1027 hPa, 2010 1003 hPa, 2012
Mean Pressure 1006 hPa 1014 hPa 1025 hPa, 2010 994 hPa, 2012
Mean Wind Speed n/a (-4.9) 0.0 mph (-4.9) 10.7, 2012 2.5, 2020
Maximum Wind Speed n/a 0.0 mph 25.1, 2012 8.6, 2020
Maximum Gust n/a 0.0 mph 33.4, 2012 13.5, 2015
Mean Wind Direction n/a
Rainfall 0.0 mm 27.9 mm (66%) 3.9 mm, 2013
Maximum Hourly Rain n/a 2.6, 2015
Maximum 10-min Rain n/a 0.8, 2012
Maximum Rain Rate n/a 24, 2017
Minimum Dew Point -0.8 °C 18:45 3.3 °C 6.4 °C, 2010 -4.8 °C, 2016
Maximum Dew Point 7.4 °C 10:29 9.2 °C 11.7 °C, 2010 1.5 °C, 2016
Mean Dew Point 2.5 °C 6.2 °C 8.2 °C, 2010 -1.7 °C, 2016
Measure Value Time Month cumul. Record High Record Low
Night Minimum (21-09) 3.7 °C 7.1 °C 9.3 °C, 2012 2.1 °C, 2016
Day Maximum (09-21) 18.4 °C 16.3 °C 20.8 °C, 2020 9.5 °C, 2016
Max 10m Temp Rise 0.7 °C 10:25 0.5 °C 0.9 °C, 2017 0.3 °C, 2015
Max 1hr Temp Rise 3.2 °C 10:31 1.6 °C 4.7 °C, 2020 1.1 °C, 2015
Max 1hr Hum Rise 9% 20:25 4% 26%, 2018 5%, 2011
Max 10m Temp Fall 0.5 °C 17:54 0.4 °C 1.4 °C, 2017 0.4 °C, 2010
Max 1hr Temp Fall 2.2 °C 18:28 1.1 °C 2.8 °C, 2019 1.0 °C, 2012
Max 1hr Hum Fall 14% 11:16 7% 28%, 2018 7%, 2017
Max 10m Wind Speed n/a 0.0 mph 16.2, 2012 6.1, 2011
Minimum Feels-like n/a 0.0 °C 6.1, 2010 -3.2, 2016
Maximum Feels-like n/a 0.0 °C 20.8, 2020 8, 2016
Mean Feels-like n/a 0.0 °C 13.1, 2020 2.3, 2016
Air-frost Hrs 0 hrs 0 hrs 0 hrs, 2009 0 hrs, 2009
Measure Value (anomaly) Month cumul. Record High Record Low
Temperature Range 14.7 °C (+6.3) 9.5 °C (+1.8) 17.5 °C (+9.1), 2020 5.1 °C (-3.3), 2012
Humidity Range 53% 36% 61%, 2020 19%, 2011
Pressure Range 7 hPa 6 hPa 19 hPa, 2012 2 hPa, 2011
Measure Value [% of max] Month cumul. Record High Record Low
Sun Hours 11.3 [86%]164 hrs (139%) [51%] 13 [99%], 2020 0 [0%], 2015
Wet Hours 034 hrs (85%) [5.4%] 3.5, 2013 0, 2009
Cloud Cover not available
Events None
Comments -
Extra Comments
Issues TMax DATA CORRECTION: -1.0C from initial
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