Daily Report for 4th September 2018

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Measure Value (anomaly) Time Month cumul. Record High Record Low
Minimum Temperature 13.1 °C (+1.0) 02:07 11.3 °C (-0.8) 15.9 °C (+3.8), 2016 10.1 °C (-2.0), 2010
Maximum Temperature 19.8 °C (-1.0) 15:20 22.6 °C (+1.7) 26.8 °C (+6.0), 2013 15.3 °C (-5.5), 2015
Mean Temperature 15.8 °C (+0.0) 16.9 °C (+0.4) 19.7 °C, 2013 12.8 °C, 2015
Minimum Humidity 62% 14:58 46% 80%, 2017 42%, 2013
Maximum Humidity 92% 06:53 94% 97%, 2017 84%, 2015
Mean Humidity 79% 71% 90%, 2017 67%, 2009
Minimum Pressure 1021 hPa 04:44 1022 hPa 1022 hPa, 2012 1003 hPa, 2009
Maximum Pressure 1023 hPa 23:46 1025 hPa 1025 hPa, 2012 1007 hPa, 2011
Mean Pressure 1022 hPa 1023 hPa 1024 hPa, 2012 1006 hPa, 2011
Mean Wind Speed 3.0 mph (-0.9) 2.1 mph (-1.8) 9.0 mph, 2016 2.3 mph, 2013
Maximum Wind Speed 9.9 mph 10:54 8.9 mph 20.2 mph, 2016 7.8 mph, 2014
Maximum Gust 15.0 mph 13:35 13.8 mph 32.3 mph, 2016 10.7 mph, 2014
Mean Wind Direction NNE
Rainfall 0.0 mm 0.0 mm (0%) 8.0 mm, 2017
Maximum Hourly Rain n/a 3.3, 2011
Maximum 10-min Rain n/a 1.4, 2017
Maximum Rain Rate n/a 12, 2017
Minimum Dew Point 11.0 °C 06:06 8.8 °C 13.2 °C, 2016 4.9 °C, 2009
Maximum Dew Point 13.2 °C 13:20 13.5 °C 18.6 °C, 2017 9.3 °C, 2009
Mean Dew Point 12.1 °C 11.0 °C 15.7 °C, 2017 7.4 °C, 2009
Measure Value Time Month cumul. Record High Record Low
Night Minimum (21-09) 13.1 °C 04:26 11.3 °C 15.9 °C, 2016 10.1 °C, 2010
Day Maximum (09-21) 19.8 °C 15:20 22.6 °C 26.8 °C, 2013 15.3 °C, 2015
Max 10m Temp Rise 0.7 °C 13:00 0.7 °C 0.9 °C, 2010 0.4 °C, 2016
Max 1hr Temp Rise 3.0 °C 13:15 3.4 °C 3.7 °C, 2013 1.0 °C, 2016
Max 1hr Hum Rise 7% 06:49 11% 9%, 2013 3%, 2017
Max 10m Temp Fall 0.3 °C 18:56 0.5 °C 0.6 °C, 2012 0.2 °C, 2014
Max 1hr Temp Fall 1.1 °C 20:41 2.0 °C 2.3 °C, 2012 0.7 °C, 2014
Max 1hr Hum Fall 11% 13:10 18% 17%, 2016 7%, 2015
Max 10m Wind Speed 6.5 mph 15:35 6.2 mph 16.5 mph, 2016 5.7 mph, 2015
Minimum Feels-like 15.0 °C 02:04 12.5 °C 20.1 °C, 2016 10.3 °C, 2015
Maximum Feels-like 22.6 °C 15:15 24.6 °C 30.5 °C, 2013 16.4 °C, 2015
Mean Feels-like 18.2 °C 18.7 °C 23.4 °C, 2013 13.2 °C, 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 6.7 °C (-2.0) 11.3 °C (+2.5) 13.3 °C (+4.6), 2013 3.7 °C (-5.0), 2016
Humidity Range 30% 48% 54%, 2013 17%, 2017
Pressure Range 2 hPa 4 hPa 13 hPa, 2009 2 hPa, 2018
Measure Value [% of max] Month cumul. Record High Record Low
Sun Hours 1 [8%]35 hrs (179%) [72%] 12 [99%], 2013 0.1 [1%], 2016
Wet Hours 00 hrs (0%) [0%] 11, 2017 0, 2009
Cloud Cover Mostly Cloudy with periods of Partly Cloudy
Events None
Comments -
Extra Comments
Issues None known
Observer Absent? Yes - observations may be unreliable
Notes
Times of extremes are computed using the midpoint time of the extremum (if the value persisted for >1 minute).
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; 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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