Daily Report for 6th July 2009

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Measure Value (anomaly) Time Month cumul. Record High Record Low
Minimum Temperature 14.0 °C (+1.4) 05:27 15.6 °C (+3.2) 18.1 °C (+5.5), 2017 10.5 °C (-2.1), 2016
Maximum Temperature 20.4 °C (-1.6) 15:03 25.7 °C (+3.8) 31.2 °C (+9.2), 2017 19.6 °C (-2.4), 2012
Mean Temperature 16.3 °C (-0.1) 19.8 °C (+3.5) 23.9 °C, 2017 15.9 °C, 2020
Minimum Humidity 53% 15:19 44% 67%, 2012 33%, 2018
Maximum Humidity 88% 07:54 86% 90%, 2018 68%, 2010
Mean Humidity 77% 68% 78%, 2012 52%, 2010
Minimum Pressure 1003 hPa 17:54 1011 hPa 1028 hPa, 2013 1003 hPa, 2009
Maximum Pressure 1008 hPa 04:54 1016 hPa 1031 hPa, 2013 1007 hPa, 2011
Mean Pressure 1006 hPa 1014 hPa 1029 hPa, 2013 1005 hPa, 2014
Mean Wind Speed n/a (-4.3) 0.0 mph (-4.3) 8.3, 2011 1.7, 2018
Maximum Wind Speed n/a 0.0 mph 19.4, 2011 7.4, 2013
Maximum Gust n/a 0.0 mph 27, 2011 11.6, 2019
Mean Wind Direction n/a
Rainfall 4.9 mm 5.0 mm (62%) 5.7 mm, 2012
Maximum Hourly Rain 3.3 mm 11:18 3.3 mm, 2009
Maximum 10-min Rain 2.8 mm 11:16 2.8 mm, 2009
Maximum Rain Rate 49 mm/h 11:11 49 mm/h, 2009
Minimum Dew Point 9.9 °C 00:03 9.9 °C 11.8 °C, 2018 5.0 °C, 2010
Maximum Dew Point 14.6 °C 12:11 16.4 °C 17.3 °C, 2018 9.3 °C, 2010
Mean Dew Point 12.1 °C 13.3 °C 14.6 °C, 2018 7.3 °C, 2016
Measure Value Time Month cumul. Record High Record Low
Night Minimum (21-09) 14.0 °C 15.6 °C 18.1 °C, 2017 10.5 °C, 2016
Day Maximum (09-21) 20.4 °C 25.7 °C 31.2 °C, 2017 19.6 °C, 2012
Max 10m Temp Rise 0.8 °C 17:23 0.8 °C 0.8 °C, 2009 0.5 °C, 2010
Max 1hr Temp Rise 1.7 °C 13:53 2.5 °C 3.1 °C, 2013 1.7 °C, 2009
Max 1hr Hum Rise 13% 16:19 8% 20%, 2018 5%, 2010
Max 10m Temp Fall 1.2 °C 17:33 0.6 °C 1.2 °C, 2009 0.4 °C, 2010
Max 1hr Temp Fall 2.1 °C 16:28 1.6 °C 3.2 °C, 2017 1.3 °C, 2010
Max 1hr Hum Fall 12% 13:05 10% 14%, 2015 8%, 2019
Max 10m Wind Speed n/a 0.0 mph 12.4, 2011 5, 2019
Minimum Feels-like n/a 0.0 °C 20.4, 2017 10.5, 2016
Maximum Feels-like n/a 0.0 °C 36.3, 2017 20.8, 2011
Mean Feels-like n/a 0.0 °C 27.7, 2017 16.8, 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 6.4 °C (-3.0) 10.1 °C (+0.6) 15.3 °C (+5.9), 2013 5.0 °C (-4.4), 2012
Humidity Range 35% 43% 57%, 2018 22%, 2012
Pressure Range 5 hPa 4 hPa 9 hPa, 2020 2 hPa, 2016
Measure Value [% of max] Month cumul. Record High Record Low
Sun Hours 4.4 [29%]45 hrs (123%) [50%] 14 [93%], 2018 2.5 [17%], 2012
Wet Hours 2
[Mean rain rate: 2.5 mm/h]
2.1 hrs (32%) [1.5%] 10, 2012 0, 2010
Cloud Cover not available
Events None
Comments ~11 Torrential, Heavy 1830 & 23, Light day Showers
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