Daily Report for 20th October 2017

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Measure Value (anomaly) Time Month cumul. Record High Record Low
Minimum Temperature 12.0 °C (+3.3) 06:49 10.9 °C (+1.5) 13.1 °C (+4.4), 2014 -0.4 °C (-9.1), 2010
Maximum Temperature 14.4 °C (+0.1) 15:15 16.8 °C (+1.4) 16.8 °C (+2.5), 2013 7.9 °C (-6.4), 2010
Mean Temperature 12.9 °C (+1.7) 14.0 °C (+1.5) 14.3 °C, 2014 4.6 °C, 2010
Minimum Humidity 63% 16:27 68% 76%, 2013 46%, 2010
Maximum Humidity 94% 03:57 92% 98%, 2012 83%, 2016
Mean Humidity 83% 81% 92%, 2012 70%, 2011
Minimum Pressure 997 hPa 05:01 1013 hPa 1025 hPa, 2015 995 hPa, 2009
Maximum Pressure 1009 hPa 18:01 1020 hPa 1028 hPa, 2011 1005 hPa, 2009
Mean Pressure 1004 hPa 1017 hPa 1026 hPa, 2015 1000 hPa, 2009
Mean Wind Speed 8.1 mph (+4.0) 5.7 mph (+1.6) 8.1 mph, 2017 1.7 mph, 2015
Maximum Wind Speed 16.5 mph 16:24 14.3 mph 16.5 mph, 2017 6.0 mph, 2015
Maximum Gust 26.5 mph 06:26 22.6 mph 26.5 mph, 2017 8.7 mph, 2012
Mean Wind Direction SW
Rainfall 1.2 mm 14.0 mm (33%) 13.8 mm, 2013
Maximum Hourly Rain 0.8 mm 06:36 8.5 mm, 2013
Maximum 10-min Rain 0.4 mm 05:47 4.7 mm, 2013
Maximum Rain Rate 1.5 mm/h 05:47 108 mm/h, 2013
Minimum Dew Point 6.9 °C 16:53 8.3 °C 10.6 °C, 2013 -4.4 °C, 2010
Maximum Dew Point 12.8 °C 00:23 13.0 °C 13.3 °C, 2013 3.4 °C, 2010
Mean Dew Point 10.0 °C 10.7 °C 12.3 °C, 2013 -0.6 °C, 2010
Measure Value Time Month cumul. Record High Record Low
Night Minimum (21-09) 12.0 °C 06:49 11.4 °C 13.4 °C, 2013 2.7 °C, 2010
Day Maximum (09-21) 14.4 °C 15:15 16.8 °C 16.8 °C, 2013 7.9 °C, 2010
Max 10m Temp Rise 0.3 °C 14:05 0.4 °C 0.6 °C, 2015 0.3 °C, 2012
Max 1hr Temp Rise 0.9 °C 23:32 1.5 °C 2.1 °C, 2011 0.9 °C, 2017
Max 1hr Hum Rise 5% 17:27 6% 10%, 2010 5%, 2016
Max 10m Temp Fall 0.3 °C 16:30 0.4 °C 1.1 °C, 2013 0.2 °C, 2012
Max 1hr Temp Fall 1.1 °C 17:21 1.2 °C 2.9 °C, 2013 0.8 °C, 2012
Max 1hr Hum Fall 9% 15:03 8% 11%, 2010 6%, 2016
Max 10m Wind Speed 11.9 mph 09:39 10.8 mph 11.9 mph, 2017 4.6 mph, 2015
Minimum Feels-like 12.7 °C 18:27 11.1 °C 14.6 °C, 2014 -3.0 °C, 2010
Maximum Feels-like 16.4 °C 00:23 19.3 °C 19.6 °C, 2013 0.0 °C, 2009
Mean Feels-like 14.2 °C 15.6 °C 16.3 °C, 2013 0.0 °C, 2009
Air-frost Hrs 0 hrs 0 hrs 0.7 hrs, 2010 0 hrs, 2009
Measure Value (anomaly) Month cumul. Record High Record Low
Temperature Range 2.4 °C (-3.3) 5.9 °C (-0.1) 8.3 °C (+2.6), 2010 2.4 °C (-3.3), 2017
Humidity Range 31% 24% 43%, 2010 16%, 2016
Pressure Range 12 hPa 7 hPa 12 hPa, 2017 3 hPa, 2013
Measure Value [% of max] Month cumul. Record High Record Low
Sun Hours 1.5 [16%]57 hrs (80%) [29%] 9.2 [99%], 2010 0 [0%], 2009
Wet Hours 3
[Mean rain rate: 0.4 mm/h]
17 hrs (52%) [3.4%] 4.5, 2012 0, 2010
Cloud Cover am: Overcast
pm: Mostly Cloudy transitioned to Mostly Sunny
Events None
Comments o.night 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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