Daily Report for 10th April 2009

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Measure Value (anomaly) Time Month cumul. Record High Record Low
Minimum Temperature 10.1 °C (+5.4) 22:36 6.8 °C (+2.2) 10.1 °C (+5.4), 2009 0.9 °C (-3.8), 2016
Maximum Temperature 13.9 °C (+1.8) 11:16 15.7 °C (+3.9) 21.8 °C (+9.7), 2020 11.8 °C (-0.3), 2019
Mean Temperature 11.6 °C (+3.6) 10.6 °C (+3.0) 14.5 °C, 2020 6.9 °C, 2013
Minimum Humidity 74% 11:07 52% 81%, 2018 32%, 2015
Maximum Humidity 95% 22:58 90% 96%, 2018 71%, 2017
Mean Humidity 86% 73% 92%, 2018 56%, 2017
Minimum Pressure 1001 hPa 05:18 1010 hPa 1030 hPa, 2010 986 hPa, 2012
Maximum Pressure 1005 hPa 22:58 1017 hPa 1035 hPa, 2010 993 hPa, 2012
Mean Pressure 1003 hPa 1013 hPa 1032 hPa, 2010 990 hPa, 2012
Mean Wind Speed n/a (-4.9) 0.0 mph (-4.9) 7.6, 2019 2.4, 2014
Maximum Wind Speed n/a 0.0 mph 17.3, 2012 7.8, 2010
Maximum Gust n/a 0.0 mph 24.2, 2019 10.9, 2014
Mean Wind Direction n/a
Rainfall 3.6 mm 5.7 mm (35%) 4.3 mm, 2013
Maximum Hourly Rain 1.1 mm 14:27 1.7 mm, 2013
Maximum 10-min Rain 0.6 mm 13:38 0.6 mm, 2009
Maximum Rain Rate 1.8 mm/h 13:38 1.9 mm/h, 2013
Minimum Dew Point 7.7 °C 04:57 2.5 °C 7.7 °C, 2009 -2.4 °C, 2016
Maximum Dew Point 10.7 °C 16:19 8.3 °C 11.0 °C, 2020 4.2 °C, 2019
Mean Dew Point 9.3 °C 5.5 °C 9.3 °C, 2009 0.8 °C, 2016
Measure Value Time Month cumul. Record High Record Low
Night Minimum (21-09) * 10.9 °C * 6.9 °C 10.9 °C, 2009 0.9 °C, 2016
Day Maximum (09-21) 13.9 °C 15.7 °C 21.8 °C, 2020 11.8 °C, 2019
Max 10m Temp Rise n/a 11:55 0.2 °C 0.8, 2012 0.5, 2010
Max 1hr Temp Rise n/a 11:07 0.6 °C 3.7, 2016 1.4, 2017
Max 1hr Hum Rise n/a 13:26 1% 15, 2012 3, 2017
Max 10m Temp Fall n/a 11:17 0.1 °C 1.7, 2012 0.4, 2010
Max 1hr Temp Fall n/a 13:12 0.3 °C 3.3, 2012 1.3, 2014
Max 1hr Hum Fall n/a 09:44 2% 21, 2016 6, 2017
Max 10m Wind Speed n/a 0.0 mph 11.8, 2019 5.5, 2014
Minimum Feels-like n/a 0.0 °C 6.1, 2020 -1.2, 2013
Maximum Feels-like n/a 0.0 °C 23.4, 2020 11.8, 2019
Mean Feels-like n/a 0.0 °C 14.7, 2020 5.3, 2019
Air-frost Hrs 0 hrs 0 hrs 0 hrs, 2009 0 hrs, 2009
Measure Value (anomaly) Month cumul. Record High Record Low
Temperature Range 3.8 °C (-3.5) 8.9 °C (+1.7) 15.2 °C (+7.9), 2015 3.8 °C (-3.5), 2009
Humidity Range 21% 38% 57%, 2012 15%, 2018
Pressure Range 4 hPa 7 hPa 11 hPa, 2015 1 hPa, 2011
Measure Value [% of max] Month cumul. Record High Record Low
Sun Hours 0.1 [1%]58 hrs (133%) [48%] 12 [99%], 2019 0.1 [1%], 2009
Wet Hours 6
[Mean rain rate: 0.6 mm/h]
11 hrs (74%) [4.7%] 7, 2018 0, 2010
Cloud Cover not available
Events None
Comments 13 -18 L.Rain, then Showers to 00
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