Daily Report for 30th May 2018

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Measure Value (anomaly) Time Month cumul. Record High Record Low
Minimum Temperature 12.5 °C (+2.5) 05:48 9.1 °C (+0.9) 15.0 °C (+5.0), 2017 7.3 °C (-2.7), 2015
Maximum Temperature 20.1 °C (+1.8) 17:51 20.4 °C (+3.8) 25.4 °C (+7.1), 2012 15.1 °C (-3.2), 2013
Mean Temperature 15.6 °C (+2.2) 14.8 °C (+2.3) 19.2 °C, 2012 12.2 °C, 2013
Minimum Humidity 80% 14:59 49% 80%, 2018 30%, 2009
Maximum Humidity 95% 02:49 90% 97%, 2013 81%, 2015
Mean Humidity 90% 70% 90%, 2018 55%, 2015
Minimum Pressure 1013 hPa 04:01 1016 hPa 1025 hPa, 2009 1006 hPa, 2010
Maximum Pressure 1015 hPa 22:00 1022 hPa 1028 hPa, 2009 1013 hPa, 2011
Mean Pressure 1014 hPa 1019 hPa 1026 hPa, 2009 1010 hPa, 2011
Mean Wind Speed 1.6 mph (-3.1) 3.8 mph (-0.9) 6.6 mph, 2010 1.6 mph, 2018
Maximum Wind Speed 7.0 mph 01:00 11.3 mph 15.6 mph, 2011 7.0 mph, 2018
Maximum Gust 12.7 mph 00:00 18.2 mph 22.3 mph, 2010 12.7 mph, 2018
Mean Wind Direction NE
Rainfall 0.4 mm 35.2 mm (71%) 5.1 mm, 2013
Maximum Hourly Rain 0.4 mm 02:12 2.0 mm, 2013
Maximum 10-min Rain 0.2 mm 0.6 mm, 2013
Maximum Rain Rate 0.6 mm/h 02:12 2.8 mm/h, 2013
Minimum Dew Point 11.7 °C 06:47 6.3 °C 11.7 °C, 2018 1.2 °C, 2015
Maximum Dew Point 17.0 °C 17:28 11.8 °C 17.0 °C, 2018 6.3 °C, 2015
Mean Dew Point 13.9 °C 8.9 °C 13.9 °C, 2018 3.3 °C, 2015
Measure Value Time Month cumul. Record High Record Low
Night Minimum (21-09) 12.5 °C 05:48 9.4 °C 15.0 °C, 2017 7.3 °C, 2015
Day Maximum (09-21) 20.1 °C 17:53 20.4 °C 25.4 °C, 2012 15.1 °C, 2013
Max 10m Temp Rise 0.5 °C 12:37 0.7 °C 0.9 °C, 2009 0.4 °C, 2014
Max 1hr Temp Rise 2.1 °C 12:56 2.8 °C 3.4 °C, 2009 1.2 °C, 2016
Max 1hr Hum Rise 5% 16:43 10% 22%, 2012 4%, 2013
Max 10m Temp Fall 0.3 °C 15:50 0.6 °C 1.0 °C, 2012 0.2 °C, 2016
Max 1hr Temp Fall 1.4 °C 21:58 2.1 °C 3.2 °C, 2012 0.9 °C, 2016
Max 1hr Hum Fall 7% 13:00 14% 20%, 2012 7%, 2018
Max 10m Wind Speed 4.9 mph 01:08 8.4 mph 10.8 mph, 2015 4.9 mph, 2018
Minimum Feels-like 14.6 °C 05:48 8.6 °C 17.2 °C, 2017 4.7 °C, 2015
Maximum Feels-like 25.3 °C 17:52 22.3 °C 27.1 °C, 2012 16.7 °C, 2014
Mean Feels-like 19.0 °C 15.8 °C 21.2 °C, 2012 12.1 °C, 2015
Air-frost Hrs 0 hrs 0 hrs 0 hrs, 2009 0 hrs, 2009
Measure Value (anomaly) Month cumul. Record High Record Low
Temperature Range 7.6 °C (-0.7) 11.3 °C (+2.9) 13.8 °C (+5.5), 2009 4.4 °C (-3.9), 2013
Humidity Range 15% 40% 60%, 2009 15%, 2018
Pressure Range 2 hPa 5 hPa 10 hPa, 2010 1 hPa, 2012
Measure Value [% of max] Month cumul. Record High Record Low
Sun Hours 0.5 [3%]241 hrs (132%) [57%] 13.8 [94%], 2009 0 [0%], 2014
Wet Hours 1
[Mean rain rate: 0.4 mm/h]
29 hrs (76%) [4.1%] 5, 2013 0, 2009
Cloud Cover am: Overcast
pm: Overcast with periods of Mostly Cloudy
Events None
Comments o.night Showers
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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