Daily Report for 7th June 2009

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Measure Value (anomaly) Time Month cumul. Record High Record Low
Minimum Temperature 7.8 °C (-2.7) 08:25 9.3 °C (-1.1) 15.1 °C (+4.6), 2014 7.8 °C (-2.7), 2009
Maximum Temperature 16.7 °C (-2.5) 14:24 18.8 °C (-0.1) 25.1 °C (+5.9), 2016 16.7 °C (-2.5), 2009
Mean Temperature 11.5 °C (-2.6) 14.0 °C (-0.6) 18.3 °C, 2016 11.5 °C, 2009
Minimum Humidity 57% 15:46 49% 71%, 2012 33%, 2015
Maximum Humidity 96% 09:59 84% 96%, 2009 74%, 2015
Mean Humidity 81% 67% 83%, 2012 51%, 2015
Minimum Pressure 998 hPa 05:05 1012 hPa 1029 hPa, 2015 993 hPa, 2012
Maximum Pressure 1004 hPa 23:40 1017 hPa 1032 hPa, 2015 1003 hPa, 2012
Mean Pressure 1001 hPa 1015 hPa 1031 hPa, 2015 998 hPa, 2012
Mean Wind Speed n/a (-4.4) 0.0 mph (-4.4) 9, 2017 0.8, 2016
Maximum Wind Speed n/a 0.0 mph 19, 2012 8.7, 2015
Maximum Gust n/a 0.0 mph 26.8, 2012 12.1, 2015
Mean Wind Direction n/a
Rainfall 19.2 mm 26.0 mm (203%) 19.2 mm, 2009
Maximum Hourly Rain 8.3 mm 07:41 8.3 mm, 2009
Maximum 10-min Rain 2.8 mm 07:05 2.8 mm, 2009
Maximum Rain Rate 66 mm/h 19:52 66 mm/h, 2009
Minimum Dew Point 6.5 °C 00:03 4.7 °C 9.0 °C, 2018 1.0 °C, 2015
Maximum Dew Point 11.0 °C 13:52 10.5 °C 17.0 °C, 2014 7.6 °C, 2015
Mean Dew Point 8.1 °C 7.5 °C 12.0 °C, 2018 4.2 °C, 2015
Measure Value Time Month cumul. Record High Record Low
Night Minimum (21-09) 7.8 °C 9.9 °C 15.1 °C, 2014 7.8 °C, 2009
Day Maximum (09-21) 16.7 °C 18.8 °C 25.1 °C, 2016 16.7 °C, 2009
Max 10m Temp Rise 1.1 °C 13:38 0.7 °C 1.8 °C, 2010 0.5 °C, 2016
Max 1hr Temp Rise 3.8 °C 14:23 2.5 °C 3.8 °C, 2009 1.6 °C, 2012
Max 1hr Hum Rise 7% 16:44 6% 20%, 2015 5%, 2018
Max 10m Temp Fall 1.2 °C 07:09 0.6 °C 1.7 °C, 2010 0.3 °C, 2012
Max 1hr Temp Fall 2.3 °C 08:00 1.7 °C 3.1 °C, 2016 1.2 °C, 2012
Max 1hr Hum Fall 18% 14:44 11% 18%, 2009 6%, 2017
Max 10m Wind Speed n/a 0.0 mph 13.4, 2017 5.6, 2015
Minimum Feels-like n/a 0.0 °C 16.6, 2014 5.3, 2020
Maximum Feels-like n/a 0.0 °C 28.1, 2016 19.4, 2011
Mean Feels-like n/a 0.0 °C 20.7, 2016 12.9, 2020
Air-frost Hrs 0 hrs 0 hrs 0 hrs, 2009 0 hrs, 2009
Measure Value (anomaly) Month cumul. Record High Record Low
Temperature Range 8.9 °C (+0.2) 9.5 °C (+1.0) 13.2 °C (+4.5), 2016 4.9 °C (-3.8), 2012
Humidity Range 39% 35% 44%, 2014 17%, 2018
Pressure Range 6 hPa 5 hPa 13 hPa, 2019 2 hPa, 2013
Measure Value [% of max] Month cumul. Record High Record Low
Sun Hours 4.5 [30%]45 hrs (103%) [43%] 12 [80%], 2015 0.4 [3%], 2018
Wet Hours 6
[Mean rain rate: 3.2 mm/h]
18 hrs (208%) [11%] 6, 2009 0, 2011
Cloud Cover not available
Events Light Thunderstorm
Comments 07 Thunderstormtorm (SLight); 02-0830 Moderate/Heavy/Torrential Rain
Extra Comments 4 IC sheet flashes observed (2 overhead); Thunder: 5
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