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 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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