Daily Report for 31st May 2017

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Measure Value (anomaly) Time Month cumul. Record High Record Low
Minimum Temperature 13.3 °C (+3.2) 05:35 10.4 °C (+2.2) 14.0 °C (+3.9), 2012 6.8 °C (-3.3), 2014
Maximum Temperature 22.9 °C (+4.5) 15:34 19.3 °C (+2.6) 25.3 °C (+6.9), 2009 13.2 °C (-5.2), 2016
Mean Temperature 18.1 °C (+3.8) 14.7 °C (+2.4) 18.1 °C, 2017 12.0 °C, 2016
Minimum Humidity 54% 15:33 53% 68%, 2016 35%, 2011
Maximum Humidity 83% 06:14 83% 94%, 2014 79%, 2010
Mean Humidity 68% 69% 86%, 2016 63%, 2011
Minimum Pressure 1021 hPa 00:02 1013 hPa 1024 hPa, 2009 1004 hPa, 2015
Maximum Pressure 1024 hPa 10:15 1021 hPa 1027 hPa, 2011 1012 hPa, 2015
Mean Pressure 1022 hPa 1017 hPa 1025 hPa, 2014 1007 hPa, 2015
Mean Wind Speed 1.5 mph (-3.2) 4.0 mph (-0.7) 7.2 mph, 2016 1.0 mph, 2014
Maximum Wind Speed 7.3 mph 14:42 11.0 mph 17.0 mph, 2015 6.4 mph, 2014
Maximum Gust 10.5 mph 14:22 16.9 mph 24.1 mph, 2016 8.7 mph, 2014
Mean Wind Direction SSW
Rainfall 0.0 mm 85.9 mm (168%) 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 10.1 °C 05:19 6.2 °C 10.1 °C, 2017 0.2 °C, 2015
Maximum Dew Point 13.7 °C 21:07 11.1 °C 14.3 °C, 2015 8.8 °C, 2011
Mean Dew Point 11.9 °C 8.7 °C 11.9 °C, 2017 5.1 °C, 2011
Measure Value Time Month cumul. Record High Record Low
Night Minimum (21-09) 13.3 °C 05:35 10.7 °C 14.0 °C, 2012 6.8 °C, 2014
Day Maximum (09-21) 22.9 °C 15:34 19.3 °C 25.3 °C, 2009 12.9 °C, 2016
Max 10m Temp Rise 0.6 °C 11:15 0.6 °C 0.8 °C, 2013 0.3 °C, 2016
Max 1hr Temp Rise 2.2 °C 11:33 2.2 °C 3.4 °C, 2014 0.8 °C, 2016
Max 1hr Hum Rise 6% 20:36 9% 11%, 2013 5%, 2010
Max 10m Temp Fall 0.3 °C 15:49 0.5 °C 0.6 °C, 2013 0.2 °C, 2016
Max 1hr Temp Fall 1.3 °C 23:29 1.7 °C 2.6 °C, 2013 0.6 °C, 2016
Max 1hr Hum Fall 13% 09:38 10% 18%, 2014 2%, 2016
Max 10m Wind Speed 5.2 mph 14:29 8.4 mph 12.8 mph, 2015 3.9 mph, 2014
Minimum Feels-like 14.6 °C 05:22 9.9 °C 15.8 °C, 2012 5.6 °C, 2011
Maximum Feels-like 25.9 °C 15:31 20.8 °C 25.9 °C, 2017 14.7 °C, 2016
Mean Feels-like 20.3 °C 15.6 °C 20.3 °C, 2017 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 9.6 °C (+1.3) 8.8 °C (+0.4) 15.1 °C (+6.8), 2009 2.3 °C (-6.0), 2016
Humidity Range 29% 30% 52%, 2011 22%, 2010
Pressure Range 3 hPa 7 hPa 15 hPa, 2011 2 hPa, 2009
Measure Value [% of max] Month cumul. Record High Record Low
Sun Hours 1.4 [9%]158 hrs (83%) [36%] 11.6 [79%], 2009 0 [0%], 2016
Wet Hours 044 hrs (110%) [5.9%] 7, 2015 0, 2009
Cloud Cover Mostly Cloudy
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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