Daily Report for 18th October 2017

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Measure Value (anomaly) Time Month cumul. Record High Record Low
Minimum Temperature 10.7 °C (+1.8) 00:04 10.7 °C (+1.3) 16.4 °C (+7.5), 2014 2.8 °C (-6.1), 2009
Maximum Temperature 15.4 °C (+0.8) 23:53 16.9 °C (+1.4) 19.5 °C (+4.9), 2014 12.4 °C (-2.2), 2009
Mean Temperature 12.8 °C (+1.3) 14.0 °C (+1.3) 17.8 °C, 2014 7.1 °C, 2009
Minimum Humidity 78% 01:38 68% 78%, 2017 42%, 2011
Maximum Humidity 97% 21:43 91% 98%, 2013 84%, 2016
Mean Humidity 90% 81% 90%, 2017 66%, 2011
Minimum Pressure 1009 hPa 23:30 1015 hPa 1020 hPa, 2009 998 hPa, 2012
Maximum Pressure 1016 hPa 00:45 1021 hPa 1028 hPa, 2009 1006 hPa, 2012
Mean Pressure 1012 hPa 1018 hPa 1024 hPa, 2009 1001 hPa, 2012
Mean Wind Speed 2.3 mph (-1.8) 5.6 mph (+1.5) 9.0 mph, 2016 1.2 mph, 2009
Maximum Wind Speed 8.9 mph 06:16 14.1 mph 23.1 mph, 2016 5.5 mph, 2009
Maximum Gust 13.8 mph 06:25 22.3 mph 35.5 mph, 2016 7.5 mph, 2009
Mean Wind Direction ENE
Rainfall 4.0 mm 6.4 mm (17%) 4.0 mm, 2017
Maximum Hourly Rain 3.6 mm 12:13 3.6 mm, 2017
Maximum 10-min Rain 1.8 mm 11:57 1.8 mm, 2017
Maximum Rain Rate 24 mm/h 11:57 50 mm/h, 2011
Minimum Dew Point 7.7 °C 01:38 8.2 °C 14.8 °C, 2014 -0.5 °C, 2011
Maximum Dew Point 14.8 °C 23:07 12.9 °C 15.9 °C, 2014 4.0 °C, 2009
Mean Dew Point 11.2 °C 10.6 °C 15.4 °C, 2014 2.5 °C, 2009
Measure Value Time Month cumul. Record High Record Low
Night Minimum (21-09) * 10.4 °C * 23:19 11.2 °C 16.2 °C, 2014 2.8 °C, 2009
Day Maximum (09-21) * 14.8 °C * 20:54 16.9 °C 19.5 °C, 2014 12.4 °C, 2009
Max 10m Temp Rise 0.3 °C 00:25 0.5 °C 0.5 °C, 2010 0.2 °C, 2012
Max 1hr Temp Rise 0.8 °C 14:00 1.5 °C 1.8 °C, 2013 0.8 °C, 2016
Max 1hr Hum Rise 4% 09:26 6% 10%, 2011 4%, 2010
Max 10m Temp Fall 0.1 °C 07:30 0.4 °C 0.3 °C, 2013 0.1 °C, 2017
Max 1hr Temp Fall 0.2 °C 08:03 1.3 °C 1.4 °C, 2013 0.2 °C, 2017
Max 1hr Hum Fall 5% 01:38 8% 14%, 2016 5%, 2014
Max 10m Wind Speed 6.9 mph 06:33 10.7 mph 18.2 mph, 2016 5.9 mph, 2015
Minimum Feels-like 11.1 °C 00:00 10.7 °C 20.2 °C, 2014 0.0 °C, 2009
Maximum Feels-like 19.2 °C 23:48 19.4 °C 23.8 °C, 2014 0.0 °C, 2009
Mean Feels-like 14.7 °C 15.6 °C 22.0 °C, 2014 0.0 °C, 2009
Air-frost Hrs 0 hrs 0 hrs 0 hrs, 2009 0 hrs, 2009
Measure Value (anomaly) Month cumul. Record High Record Low
Temperature Range 4.7 °C (-1.0) 6.3 °C (+0.2) 10.5 °C (+4.8), 2010 3.1 °C (-2.6), 2014
Humidity Range 19% 24% 45%, 2011 16%, 2014
Pressure Range 7 hPa 6 hPa 10 hPa, 2010 4 hPa, 2015
Measure Value [% of max] Month cumul. Record High Record Low
Sun Hours 0 [0%]55 hrs (86%) [31%] 8 [85%], 2011 0 [0%], 2017
Wet Hours 6
[Mean rain rate: 0.7 mm/h]
9.5 hrs (33%) [2.2%] 6, 2017 0, 2009
Cloud Cover Overcast
Events None
Comments am Rain
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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