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 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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