Daily Report for 1st September 2015

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Measure Value (anomaly) Time Month cumul. Record High Record Low
Minimum Temperature 11.0 °C (-1.3) 23:37 11.0 °C (-1.2) 14.7 °C (+2.4), 2009 6.3 °C (-6.0), 2020
Maximum Temperature 17.8 °C (-3.3) 17:15 17.8 °C (-3.2) 23.7 °C (+2.6), 2018 17.8 °C (-3.3), 2015
Mean Temperature 14.5 °C (-2.3) 14.5 °C (-2.2) 18.4 °C, 2016 13.8 °C, 2020
Minimum Humidity 69% 17:47 69% 76%, 2014 40%, 2013
Maximum Humidity 92% 04:22 92% 96%, 2020 73%, 2013
Mean Humidity 86% 86% 88%, 2014 58%, 2013
Minimum Pressure 1015 hPa 00:00 1015 hPa 1027 hPa, 2013 1003 hPa, 2009
Maximum Pressure 1019 hPa 18:19 1019 hPa 1031 hPa, 2013 1010 hPa, 2009
Mean Pressure 1017 hPa 1017 hPa 1029 hPa, 2013 1006 hPa, 2009
Mean Wind Speed 1.5 mph (-2.4) 1.5 mph (-2.4) 6.3 mph, 2009 0.3 mph, 2020
Maximum Wind Speed 6.9 mph 08:44 6.9 mph 17.3 mph, 2009 5.2 mph, 2020
Maximum Gust 9.8 mph 08:43 9.8 mph 35.6 mph, 2009 8.1 mph, 2020
Mean Wind Direction NW
Rainfall 4.7 mm 4.7 mm (247%) 4.7 mm, 2015
Maximum Hourly Rain 4.5 mm 11:19 4.5 mm, 2015
Maximum 10-min Rain 3.1 mm 11:03 3.1 mm, 2015
Maximum Rain Rate 48 mm/h 11:02 48 mm/h, 2015
Minimum Dew Point 9.2 °C 23:22 9.2 °C 10.6 °C, 2014 3.4 °C, 2013
Maximum Dew Point 14.1 °C 13:03 14.1 °C 17.2 °C, 2014 9.8 °C, 2013
Mean Dew Point 12.1 °C 12.1 °C 13.8 °C, 2014 7.0 °C, 2013
Measure Value Time Month cumul. Record High Record Low
Night Minimum (21-09) * 13.4 °C * 07:01 13.4 °C 14.7 °C, 2009 6.3 °C, 2020
Day Maximum (09-21) 17.8 °C 17:15 17.8 °C 23.7 °C, 2018 17.8 °C, 2015
Max 10m Temp Rise 0.4 °C 16:58 0.4 °C 1.0 °C, 2010 0.4 °C, 2014
Max 1hr Temp Rise 1.1 °C 08:37 1.1 °C 4.5 °C, 2010 1.1 °C, 2015
Max 1hr Hum Rise 8% 19:46 8% 12%, 2020 4%, 2014
Max 10m Temp Fall 0.6 °C 18:01 0.6 °C 0.8 °C, 2019 0.3 °C, 2013
Max 1hr Temp Fall 1.8 °C 18:21 1.8 °C 2.8 °C, 2018 1.2 °C, 2013
Max 1hr Hum Fall 10% 14:56 10% 19%, 2020 3%, 2014
Max 10m Wind Speed 4.5 mph 17:59 4.5 mph 11.6 mph, 2009 2.9 mph, 2020
Minimum Feels-like 12.0 °C 23:29 12.0 °C 16.3 °C, 2009 6.3 °C, 2020
Maximum Feels-like 20.5 °C 15:06 20.5 °C 25.8 °C, 2018 20.5 °C, 2015
Mean Feels-like 16.9 °C 16.9 °C 20.2 °C, 2016 14.5 °C, 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 6.8 °C (-2.0) 6.8 °C (-2.0) 13.6 °C (+4.8), 2020 6.0 °C (-2.8), 2009
Humidity Range 23% 23% 51%, 2018 19%, 2014
Pressure Range 4 hPa 4 hPa 8 hPa, 2019 2 hPa, 2014
Measure Value [% of max] Month cumul. Record High Record Low
Sun Hours 2 [16%]2 hrs (40%) [16%] 12.2 [99%], 2010 1 [8%], 2014
Wet Hours 1
[Mean rain rate: 4.7 mm/h]
1 hrs (73%) [4.2%] 5, 2014 0, 2010
Cloud Cover Partly Cloudy or Mostly Cloudy
Events None
Comments 11 Heavy Shower; 18 L
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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Webcam Summary of Cloud Conditions

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