Daily Report for 28th September 2017

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Measure Value (anomaly) Time Month cumul. Record High Record Low
Minimum Temperature 14.1 °C (+3.8) 22:48 10.8 °C (-0.4) 14.5 °C (+4.2), 2014 8.6 °C (-1.7), 2012
Maximum Temperature 19.1 °C (+2.1) 15:02 18.5 °C (-0.4) 24.9 °C (+7.9), 2011 17.1 °C (+0.1), 2010
Mean Temperature 16.4 °C (+3.0) 14.5 °C (-0.4) 18.6 °C, 2011 12.2 °C, 2012
Minimum Humidity 64% 16:46 60% 77%, 2010 51%, 2011
Maximum Humidity 96% 06:21 92% 98%, 2011 84%, 2016
Mean Humidity 85% 79% 90%, 2010 74%, 2015
Minimum Pressure 1015 hPa 05:01 1010 hPa 1035 hPa, 2015 1007 hPa, 2013
Maximum Pressure 1020 hPa 20:46 1016 hPa 1037 hPa, 2015 1013 hPa, 2013
Mean Pressure 1018 hPa 1013 hPa 1036 hPa, 2015 1010 hPa, 2013
Mean Wind Speed 4.1 mph (+0.2) 4.4 mph (+0.5) 9.8 mph, 2016 1.5 mph, 2010
Maximum Wind Speed 9.4 mph 19:33 12.3 mph 21.5 mph, 2016 5.6 mph, 2010
Maximum Gust 16.1 mph 02:29 19.2 mph 30.6 mph, 2016 7.4 mph, 2010
Mean Wind Direction SW
Rainfall 7.4 mm 51.9 mm (98%) 7.4 mm, 2017
Maximum Hourly Rain 3.0 mm 02:37 3.0 mm, 2017
Maximum 10-min Rain 2.2 mm 02:37 2.2 mm, 2017
Maximum Rain Rate 36 mm/h 02:33 36 mm/h, 2017
Minimum Dew Point 11.7 °C 16:57 8.5 °C 12.6 °C, 2010 6.6 °C, 2015
Maximum Dew Point 15.7 °C 08:57 13.0 °C 18.1 °C, 2011 11.9 °C, 2012
Mean Dew Point 13.8 °C 10.6 °C 14.1 °C, 2014 8.7 °C, 2015
Measure Value Time Month cumul. Record High Record Low
Night Minimum (21-09) * 15.4 °C * 00:29 11.0 °C 15.4 °C, 2017 8.6 °C, 2012
Day Maximum (09-21) 19.1 °C 15:02 18.5 °C 24.9 °C, 2011 17.1 °C, 2010
Max 10m Temp Rise 0.5 °C 12:42 0.6 °C 0.7 °C, 2011 0.3 °C, 2010
Max 1hr Temp Rise 1.7 °C 12:49 2.0 °C 3.4 °C, 2011 1.1 °C, 2010
Max 1hr Hum Rise 8% 19:42 11% 14%, 2012 4%, 2010
Max 10m Temp Fall 0.3 °C 18:35 0.6 °C 0.8 °C, 2012 0.2 °C, 2010
Max 1hr Temp Fall 1.3 °C 19:15 1.7 °C 2.1 °C, 2012 0.7 °C, 2010
Max 1hr Hum Fall 12% 13:09 11% 21%, 2015 7%, 2010
Max 10m Wind Speed 6.9 mph 02:37 9.1 mph 15.9 mph, 2016 4.0 mph, 2010
Minimum Feels-like 16.4 °C 22:39 11.1 °C 17.4 °C, 2014 6.7 °C, 2012
Maximum Feels-like 22.0 °C 14:54 20.6 °C 29.0 °C, 2011 18.7 °C, 2015
Mean Feels-like 19.7 °C 16.1 °C 21.9 °C, 2011 13.0 °C, 2012
Air-frost Hrs 0 hrs 0 hrs 0 hrs, 2009 0 hrs, 2009
Measure Value (anomaly) Month cumul. Record High Record Low
Temperature Range 5.0 °C (-1.7) 7.7 °C (+0.0) 12.3 °C (+5.6), 2011 3.8 °C (-2.9), 2010
Humidity Range 32% 33% 47%, 2011 19%, 2010
Pressure Range 5 hPa 6 hPa 6 hPa, 2013 2 hPa, 2012
Measure Value [% of max] Month cumul. Record High Record Low
Sun Hours 4 [37%]112 hrs (87%) [35%] 10.6 [99%], 2011 0.1 [1%], 2010
Wet Hours 6
[Mean rain rate: 1.2 mm/h]
49 hrs (127%) [7.2%] 6, 2017 0, 2009
Cloud Cover am: Mostly Cloudy
pm: Partly Cloudy
Events None
Comments -07 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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