Daily Report for 9th April 2009

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Measure Value (anomaly) Time Month cumul. Record High Record Low
Minimum Temperature 7.4 °C (+2.7) 01:38 6.5 °C (+1.8) 9.1 °C (+4.4), 2020 2.7 °C (-2.0), 2013
Maximum Temperature 14.3 °C (+2.3) 18:26 15.9 °C (+4.1) 25.2 °C (+13.2), 2017 8.9 °C (-3.1), 2013
Mean Temperature 11.5 °C (+2.5) 10.4 °C (+3.0) 16.1 °C, 2017 5.8 °C, 2013
Minimum Humidity 68% 00:13 50% 93%, 2018 29%, 2017
Maximum Humidity 92% 07:53 90% 96%, 2012 71%, 2011
Mean Humidity 83% 71% 95%, 2018 55%, 2011
Minimum Pressure 1003 hPa 23:57 1011 hPa 1032 hPa, 2010 987 hPa, 2012
Maximum Pressure 1011 hPa 05:13 1018 hPa 1035 hPa, 2010 1001 hPa, 2013
Mean Pressure 1007 hPa 1015 hPa 1034 hPa, 2010 997 hPa, 2013
Mean Wind Speed n/a (-4.9) 0.0 mph (-4.9) 8.1, 2012 2, 2010
Maximum Wind Speed n/a 0.0 mph 17.6, 2012 7.6, 2010
Maximum Gust n/a 0.0 mph 27.5, 2012 10.5, 2010
Mean Wind Direction n/a
Rainfall 0.3 mm 2.1 mm (14%) 8.0 mm, 2012
Maximum Hourly Rain 0.3 mm 23:57 1.3 mm, 2018
Maximum 10-min Rain 0.3 mm 23:57 0.5 mm, 2012
Maximum Rain Rate n/a 23:57 5.5, 2012
Minimum Dew Point 2.3 °C 00:21 1.9 °C 6.9 °C, 2018 -0.4 °C, 2013
Maximum Dew Point 11.1 °C 12:19 8.1 °C 11.1 °C, 2009 5.3 °C, 2013
Mean Dew Point 8.7 °C 5.1 °C 8.7 °C, 2009 2.6 °C, 2013
Measure Value Time Month cumul. Record High Record Low
Night Minimum (21-09) 7.4 °C 6.5 °C 9.1 °C, 2020 2.7 °C, 2013
Day Maximum (09-21) 14.3 °C 15.9 °C 25.2 °C, 2017 8.9 °C, 2013
Max 10m Temp Rise n/a 08:40 0.2 °C 0.9, 2017 0.2, 2012
Max 1hr Temp Rise n/a 09:30 0.7 °C 4.3, 2017 0.4, 2018
Max 1hr Hum Rise n/a 01:26 1% 26, 2017 1, 2018
Max 10m Temp Fall n/a 08:30 0.1 °C 0.8, 2016 0.2, 2012
Max 1hr Temp Fall n/a 19:24 0.3 °C 3.2, 2017 0.6, 2018
Max 1hr Hum Fall n/a 17:14 2% 19, 2016 1, 2018
Max 10m Wind Speed n/a 0.0 mph 14.5, 2012 5.4, 2010
Minimum Feels-like n/a 0.0 °C 8.1, 2020 -2, 2013
Maximum Feels-like n/a 0.0 °C 25.9, 2017 8.3, 2013
Mean Feels-like n/a 0.0 °C 16.4, 2017 3.1, 2013
Air-frost Hrs 0 hrs 0 hrs 0 hrs, 2009 0 hrs, 2009
Measure Value (anomaly) Month cumul. Record High Record Low
Temperature Range 6.9 °C (-0.4) 9.4 °C (+2.2) 18.8 °C (+11.5), 2017 1.6 °C (-5.7), 2018
Humidity Range 24% 40% 51%, 2017 3%, 2018
Pressure Range 8 hPa 8 hPa 20 hPa, 2012 3 hPa, 2020
Measure Value [% of max] Month cumul. Record High Record Low
Sun Hours 1.3 [11%]58 hrs (148%) [54%] 12.1 [100%], 2017 0 [0%], 2012
Wet Hours 25.3 hrs (38%) [2.5%] 18, 2012 0, 2010
Cloud Cover not available
Events None
Comments pre-1600 Light Showers / Drizzle
Extra Comments
Issues None known
Observer Absent? Yes - observations may be unreliable
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