Daily Report for 9th June 2009

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Measure Value (anomaly) Time Month cumul. Record High Record Low
Minimum Temperature 10.1 °C (-0.6) 06:07 9.3 °C (-1.1) 14.7 °C (+4.0), 2014 7.0 °C (-3.7), 2015
Maximum Temperature 15.5 °C (-4.0) 14:08 18.1 °C (-0.9) 25.7 °C (+6.2), 2014 14.1 °C (-5.4), 2013
Mean Temperature 12.4 °C (-2.3) 13.7 °C (-1.0) 19.7 °C, 2014 11.2 °C, 2015
Minimum Humidity 72% 17:30 53% 72%, 2009 35%, 2012
Maximum Humidity 96% 09:01 86% 96%, 2009 75%, 2012
Mean Humidity 86% 71% 86%, 2009 55%, 2012
Minimum Pressure 1003 hPa 05:42 1010 hPa 1031 hPa, 2015 1002 hPa, 2010
Maximum Pressure 1011 hPa 22:55 1015 hPa 1033 hPa, 2015 1007 hPa, 2010
Mean Pressure 1007 hPa 1013 hPa 1032 hPa, 2015 1004 hPa, 2010
Mean Wind Speed n/a (-4.4) 0.0 mph (-4.4) 8.7, 2012 1.8, 2016
Maximum Wind Speed n/a 0.0 mph 18.1, 2012 6.2, 2016
Maximum Gust n/a 0.0 mph 27, 2012 9.4, 2016
Mean Wind Direction n/a
Rainfall 3.3 mm 29.3 mm (178%) 3.9 mm, 2014
Maximum Hourly Rain 1.1 mm 04:22 3.0 mm, 2010
Maximum 10-min Rain 0.4 mm 04:22 2.2 mm, 2010
Maximum Rain Rate 0.9 mm/h 03:41 30 mm/h, 2010
Minimum Dew Point 8.6 °C 00:16 5.4 °C 10.6 °C, 2010 1.4 °C, 2012
Maximum Dew Point 12.4 °C 12:45 10.8 °C 16.5 °C, 2014 6.0 °C, 2015
Mean Dew Point 10.0 °C 8.0 °C 13.0 °C, 2010 3.4 °C, 2015
Measure Value Time Month cumul. Record High Record Low
Night Minimum (21-09) 10.1 °C 9.8 °C 14.7 °C, 2014 7.0 °C, 2015
Day Maximum (09-21) 15.5 °C 18.1 °C 25.7 °C, 2014 14.1 °C, 2013
Max 10m Temp Rise 0.4 °C 13:42 0.7 °C 0.8 °C, 2011 0.3 °C, 2013
Max 1hr Temp Rise 1.4 °C 12:55 2.4 °C 3.0 °C, 2011 0.8 °C, 2013
Max 1hr Hum Rise 4% 01:05 6% 18%, 2014 3%, 2013
Max 10m Temp Fall 0.4 °C 14:24 0.5 °C 0.7 °C, 2014 0.3 °C, 2013
Max 1hr Temp Fall 1.4 °C 15:07 1.6 °C 2.5 °C, 2019 1.0 °C, 2010
Max 1hr Hum Fall 8% 14:17 10% 14%, 2019 5%, 2013
Max 10m Wind Speed n/a 0.0 mph 14.4, 2012 4.1, 2016
Minimum Feels-like n/a 0.0 °C 15.9, 2014 3.9, 2015
Maximum Feels-like n/a 0.0 °C 29.4, 2014 14.3, 2013
Mean Feels-like n/a 0.0 °C 22.3, 2014 10.5, 2015
Air-frost Hrs 0 hrs 0 hrs 0 hrs, 2009 0 hrs, 2009
Measure Value (anomaly) Month cumul. Record High Record Low
Temperature Range 5.4 °C (-3.4) 8.8 °C (+0.2) 11.0 °C (+2.2), 2014 4.0 °C (-4.8), 2013
Humidity Range 24% 33% 45%, 2014 19%, 2013
Pressure Range 8 hPa 5 hPa 9 hPa, 2016 2 hPa, 2015
Measure Value [% of max] Month cumul. Record High Record Low
Sun Hours 0.2 [1%]48 hrs (84%) [36%] 8 [53%], 2016 0.2 [1%], 2009
Wet Hours 9
[Mean rain rate: 0.4 mm/h]
27 hrs (243%) [13%] 9, 2009 0, 2012
Cloud Cover not available
Events None
Comments 01-05 Light/Moderate Rain, 05-11 Light/SLight Rain/Drizzle
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

daygraph daygraph 2 daygraph-wdir

Webcam Summary of Cloud Conditions


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Wind rose