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 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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