Daily Report for 16th September 2018

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Measure Value (anomaly) Time Month cumul. Record High Record Low
Minimum Temperature 13.7 °C (+2.5) 07:02 11.5 °C (-0.1) 13.8 °C (+2.6), 2014 7.9 °C (-3.3), 2017
Maximum Temperature 22.8 °C (+4.1) 15:08 20.9 °C (+1.0) 22.8 °C (+4.1), 2018 14.2 °C (-4.5), 2013
Mean Temperature 17.8 °C (+3.3) 16.1 °C (+0.4) 17.8 °C, 2018 11.2 °C, 2013
Minimum Humidity 47% 14:43 53% 82%, 2015 45%, 2013
Maximum Humidity 88% 07:24 91% 98%, 2009 85%, 2012
Mean Humidity 74% 74% 91%, 2015 65%, 2013
Minimum Pressure 1017 hPa 17:16 1019 hPa 1021 hPa, 2009 985 hPa, 2015
Maximum Pressure 1023 hPa 00:02 1023 hPa 1024 hPa, 2009 996 hPa, 2015
Mean Pressure 1019 hPa 1021 hPa 1022 hPa, 2009 988 hPa, 2015
Mean Wind Speed 6.0 mph (+2.1) 4.0 mph (+0.1) 8.7 mph, 2016 2.0 mph, 2017
Maximum Wind Speed 17.4 mph 11:52 12.1 mph 19.2 mph, 2016 7.9 mph, 2017
Maximum Gust 26.5 mph 11:53 18.8 mph 30.6 mph, 2016 12.5 mph, 2014
Mean Wind Direction SSW
Rainfall 0.0 mm 4.0 mm (13%) 26.1 mm, 2015
Maximum Hourly Rain n/a 11.4, 2016
Maximum 10-min Rain n/a 7, 2016
Maximum Rain Rate n/a 120, 2016
Minimum Dew Point 10.6 °C 14:43 8.9 °C 12.2 °C, 2014 2.1 °C, 2013
Maximum Dew Point 14.9 °C 23:15 13.4 °C 17.1 °C, 2014 10.1 °C, 2017
Mean Dew Point 12.7 °C 11.0 °C 14.2 °C, 2014 4.7 °C, 2013
Measure Value Time Month cumul. Record High Record Low
Night Minimum (21-09) 13.7 °C 07:03 11.7 °C 15.5 °C, 2016 7.9 °C, 2017
Day Maximum (09-21) 22.8 °C 15:09 20.8 °C 22.8 °C, 2018 14.2 °C, 2013
Max 10m Temp Rise 0.7 °C 11:55 0.6 °C 0.7 °C, 2018 0.2 °C, 2015
Max 1hr Temp Rise 2.9 °C 12:06 2.5 °C 2.9 °C, 2018 0.9 °C, 2010
Max 1hr Hum Rise 8% 17:59 9% 15%, 2013 5%, 2016
Max 10m Temp Fall 0.3 °C 12:50 0.4 °C 1.2 °C, 2013 0.2 °C, 2012
Max 1hr Temp Fall 1.3 °C 20:27 1.6 °C 1.9 °C, 2013 0.9 °C, 2012
Max 1hr Hum Fall 14% 12:05 12% 15%, 2013 7%, 2012
Max 10m Wind Speed 12.6 mph 11:58 8.7 mph 14.3 mph, 2016 5.5 mph, 2017
Minimum Feels-like 15.8 °C 06:44 12.3 °C 16.4 °C, 2014 4.9 °C, 2013
Maximum Feels-like 25.0 °C 15:10 23.1 °C 26.4 °C, 2014 14.3 °C, 2013
Mean Feels-like 20.5 °C 17.9 °C 20.8 °C, 2014 10.6 °C, 2013
Air-frost Hrs 0 hrs 0 hrs 0 hrs, 2009 0 hrs, 2009
Measure Value (anomaly) Month cumul. Record High Record Low
Temperature Range 9.1 °C (+1.6) 9.4 °C (+1.2) 9.3 °C (+1.8), 2011 4.5 °C (-3.0), 2015
Humidity Range 41% 38% 42%, 2011 12%, 2015
Pressure Range 6 hPa 4 hPa 11 hPa, 2015 2 hPa, 2013
Measure Value [% of max] Month cumul. Record High Record Low
Sun Hours 6 [52%]95 hrs (125%) [50%] 8 [70%], 2013 0 [0%], 2015
Wet Hours 08 hrs (37%) [2.1%] 10, 2015 0, 2010
Cloud Cover am: Overcast
pm: Sunny
Events None
Comments -
Extra Comments
Issues None known
Observer Absent? Yes - observations may be unreliable
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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