Daily Report for 17th June 2018

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Measure Value (anomaly) Time Month cumul. Record High Record Low
Minimum Temperature 13.4 °C (+2.2) 03:04 12.4 °C (+1.7) 16.0 °C (+4.8), 2017 8.3 °C (-2.9), 2010
Maximum Temperature 19.6 °C (-0.8) 12:29 21.9 °C (+2.3) 30.1 °C (+9.7), 2017 14.8 °C (-5.6), 2011
Mean Temperature 15.7 °C (+0.7) 16.9 °C (+2.0) 23.9 °C, 2017 12.5 °C, 2011
Minimum Humidity 54% 12:58 54% 72%, 2011 35%, 2010
Maximum Humidity 91% 23:57 89% 95%, 2011 77%, 2015
Mean Humidity 74% 73% 86%, 2011 59%, 2017
Minimum Pressure 1015 hPa 00:06 1015 hPa 1026 hPa, 2014 995 hPa, 2011
Maximum Pressure 1018 hPa 22:57 1019 hPa 1028 hPa, 2014 1011 hPa, 2011
Mean Pressure 1017 hPa 1017 hPa 1027 hPa, 2014 1003 hPa, 2011
Mean Wind Speed 6.8 mph (+2.4) 4.1 mph (-0.3) 7.1 mph, 2015 2.2 mph, 2017
Maximum Wind Speed 14.3 mph 11:33 11.1 mph 16.8 mph, 2015 8.8 mph, 2017
Maximum Gust 21.9 mph 15:49 16.9 mph 26.6 mph, 2015 11.5 mph, 2017
Mean Wind Direction SW
Rainfall 0.2 mm 0.8 mm (3%) 7.6 mm, 2011
Maximum Hourly Rain 0.2 mm 5.5 mm, 2016
Maximum 10-min Rain 0.2 mm 3.1 mm, 2016
Maximum Rain Rate n/a 54, 2016
Minimum Dew Point 8.6 °C 00:05 9.2 °C 12.4 °C, 2017 3.8 °C, 2014
Maximum Dew Point 13.8 °C 23:39 14.0 °C 16.6 °C, 2017 9.6 °C, 2014
Mean Dew Point 11.0 °C 11.6 °C 15.0 °C, 2017 8.0 °C, 2014
Measure Value Time Month cumul. Record High Record Low
Night Minimum (21-09) 13.4 °C 03:07 12.6 °C 16.0 °C, 2017 8.3 °C, 2010
Day Maximum (09-21) 19.6 °C 12:29 21.9 °C 30.1 °C, 2017 14.8 °C, 2011
Max 10m Temp Rise 0.7 °C 12:28 0.7 °C 0.8 °C, 2012 0.3 °C, 2011
Max 1hr Temp Rise 2.3 °C 10:32 2.5 °C 2.6 °C, 2015 1.2 °C, 2011
Max 1hr Hum Rise 9% 14:50 9% 17%, 2014 7%, 2011
Max 10m Temp Fall 0.4 °C 13:14 0.5 °C 0.8 °C, 2016 0.3 °C, 2013
Max 1hr Temp Fall 1.2 °C 13:30 1.8 °C 2.4 °C, 2017 1.1 °C, 2013
Max 1hr Hum Fall 13% 10:33 13% 13%, 2018 7%, 2009
Max 10m Wind Speed 11.2 mph 17:37 8.4 mph 12.4 mph, 2015 5.9 mph, 2017
Minimum Feels-like 14.3 °C 02:33 13.4 °C 18.5 °C, 2017 6.9 °C, 2010
Maximum Feels-like 21.3 °C 12:26 24.6 °C 35.0 °C, 2017 16.2 °C, 2011
Mean Feels-like 17.5 °C 19.0 °C 27.8 °C, 2017 13.8 °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 6.2 °C (-3.1) 9.4 °C (+0.6) 15.0 °C (+5.7), 2010 4.9 °C (-4.4), 2011
Humidity Range 37% 35% 50%, 2010 23%, 2011
Pressure Range 3 hPa 3 hPa 16 hPa, 2011 2 hPa, 2014
Measure Value [% of max] Month cumul. Record High Record Low
Sun Hours 1 [7%]90 hrs (83%) [35%] 13 [86%], 2010 0.3 [2%], 2011
Wet Hours 13.5 hrs (17%) [0.9%] 7, 2011 0, 2010
Cloud Cover Overcast with periods of Mostly Cloudy
Events None
Comments 07-09 Rain spells
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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