Daily Report for 31st May 2018

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Measure Value (anomaly) Time Month cumul. Record High Record Low
Minimum Temperature 14.8 °C (+4.7) 06:05 9.3 °C (+1.0) 14.8 °C (+4.7), 2018 6.8 °C (-3.3), 2014
Maximum Temperature 22.6 °C (+4.2) 16:58 20.4 °C (+3.8) 25.3 °C (+6.9), 2009 13.2 °C (-5.2), 2016
Mean Temperature 18.1 °C (+4.4) 14.9 °C (+2.4) 18.1 °C, 2017 12.0 °C, 2016
Minimum Humidity 73% 17:00 50% 73%, 2018 35%, 2011
Maximum Humidity 97% 07:16 90% 97%, 2018 79%, 2010
Mean Humidity 88% 71% 88%, 2018 63%, 2011
Minimum Pressure 1015 hPa 02:35 1016 hPa 1024 hPa, 2009 1004 hPa, 2015
Maximum Pressure 1018 hPa 22:49 1021 hPa 1027 hPa, 2011 1012 hPa, 2015
Mean Pressure 1016 hPa 1019 hPa 1025 hPa, 2014 1007 hPa, 2015
Mean Wind Speed 3.2 mph (-1.5) 3.8 mph (-0.9) 7.2 mph, 2016 1.0 mph, 2014
Maximum Wind Speed 10.4 mph 17:39 11.2 mph 17.0 mph, 2015 6.4 mph, 2014
Maximum Gust 17.3 mph 18:02 18.2 mph 24.1 mph, 2016 8.7 mph, 2014
Mean Wind Direction E
Rainfall 0.0 mm 35.2 mm (69%) 12.4 mm, 2016
Maximum Hourly Rain n/a 5.8, 2016
Maximum 10-min Rain n/a 1.3, 2016
Maximum Rain Rate n/a 24, 2016
Minimum Dew Point 14.2 °C 05:34 6.6 °C 14.2 °C, 2018 0.2 °C, 2015
Maximum Dew Point 18.2 °C 15:50 12.0 °C 18.2 °C, 2018 8.8 °C, 2011
Mean Dew Point 15.9 °C 9.1 °C 15.9 °C, 2018 5.1 °C, 2011
Measure Value Time Month cumul. Record High Record Low
Night Minimum (21-09) 14.8 °C 06:07 9.5 °C 14.8 °C, 2018 6.8 °C, 2014
Day Maximum (09-21) 22.6 °C 16:59 20.4 °C 25.3 °C, 2009 12.9 °C, 2016
Max 10m Temp Rise 0.7 °C 10:55 0.7 °C 0.8 °C, 2013 0.3 °C, 2016
Max 1hr Temp Rise 2.2 °C 10:55 2.8 °C 3.4 °C, 2014 0.8 °C, 2016
Max 1hr Hum Rise 4% 17:38 10% 11%, 2013 4%, 2018
Max 10m Temp Fall 0.4 °C 17:20 0.6 °C 0.6 °C, 2013 0.2 °C, 2016
Max 1hr Temp Fall 1.3 °C 19:45 2.0 °C 2.6 °C, 2013 0.6 °C, 2016
Max 1hr Hum Fall 8% 11:23 14% 18%, 2014 2%, 2016
Max 10m Wind Speed 8.2 mph 17:42 8.3 mph 12.8 mph, 2015 3.9 mph, 2014
Minimum Feels-like 18.3 °C 05:24 9.0 °C 18.3 °C, 2018 5.6 °C, 2011
Maximum Feels-like 28.6 °C 16:47 22.5 °C 28.6 °C, 2018 14.7 °C, 2016
Mean Feels-like 22.7 °C 16.0 °C 22.7 °C, 2018 12.4 °C, 2011
Air-frost Hrs 0 hrs 0 hrs 0 hrs, 2009 0 hrs, 2009
Measure Value (anomaly) Month cumul. Record High Record Low
Temperature Range 7.8 °C (-0.5) 11.2 °C (+2.8) 15.1 °C (+6.8), 2009 2.3 °C (-6.0), 2016
Humidity Range 24% 40% 52%, 2011 22%, 2010
Pressure Range 3 hPa 5 hPa 15 hPa, 2011 2 hPa, 2009
Measure Value [% of max] Month cumul. Record High Record Low
Sun Hours 2 [14%]243 hrs (128%) [55%] 11.6 [79%], 2009 0 [0%], 2016
Wet Hours 029 hrs (73%) [3.9%] 7, 2015 0, 2009
Cloud Cover am: Overcast
pm: Mostly Cloudy or Hazy
Events None
Comments early am fog
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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Webcam Summary of Cloud Conditions

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