Daily Report for 21st June 2018

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Measure Value (anomaly) Time Month cumul. Record High Record Low
Minimum Temperature 10.8 °C (-0.6) 05:02 12.8 °C (+2.0) 15.6 °C (+4.2), 2017 10.8 °C (-0.6), 2018
Maximum Temperature 20.8 °C (+0.0) 17:25 22.3 °C (+2.5) 33.0 °C (+12.2), 2017 19.8 °C (-1.0), 2012
Mean Temperature 15.8 °C (-0.3) 17.3 °C (+2.2) 24.5 °C, 2017 15.6 °C, 2012
Minimum Humidity 34% 17:51 53% 66%, 2013 34%, 2018
Maximum Humidity 74% 05:23 88% 94%, 2012 69%, 2014
Mean Humidity 54% 72% 81%, 2012 51%, 2014
Minimum Pressure 1021 hPa 00:06 1016 hPa 1023 hPa, 2009 1001 hPa, 2012
Maximum Pressure 1030 hPa 23:57 1020 hPa 1030 hPa, 2018 1011 hPa, 2011
Mean Pressure 1026 hPa 1018 hPa 1026 hPa, 2018 1006 hPa, 2012
Mean Wind Speed 4.4 mph (+0.0) 4.6 mph (+0.2) 8.2 mph, 2011 2.4 mph, 2010
Maximum Wind Speed 11.5 mph 06:47 11.7 mph 19.7 mph, 2011 7.5 mph, 2010
Maximum Gust 21.9 mph 07:05 17.9 mph 32.9 mph, 2011 10.6 mph, 2010
Mean Wind Direction NNW
Rainfall 0.0 mm 0.8 mm (2%) 6.9 mm, 2012
Maximum Hourly Rain n/a 4.3, 2012
Maximum 10-min Rain n/a 4.3, 2012
Maximum Rain Rate n/a 90, 2013
Minimum Dew Point 3.7 °C 17:52 9.3 °C 12.7 °C, 2017 3.7 °C, 2018
Maximum Dew Point 9.2 °C 00:22 14.1 °C 18.9 °C, 2017 9.2 °C, 2018
Mean Dew Point 5.9 °C 11.8 °C 16.1 °C, 2017 5.9 °C, 2018
Measure Value Time Month cumul. Record High Record Low
Night Minimum (21-09) 10.8 °C 05:02 12.9 °C 15.6 °C, 2017 10.8 °C, 2018
Day Maximum (09-21) 20.8 °C 17:26 22.3 °C 33.0 °C, 2017 19.8 °C, 2012
Max 10m Temp Rise 0.7 °C 14:51 0.7 °C 1.0 °C, 2012 0.5 °C, 2010
Max 1hr Temp Rise 1.8 °C 06:42 2.4 °C 2.4 °C, 2017 1.5 °C, 2015
Max 1hr Hum Rise 9% 21:47 8% 16%, 2014 6%, 2016
Max 10m Temp Fall 0.6 °C 14:28 0.5 °C 0.8 °C, 2013 0.3 °C, 2016
Max 1hr Temp Fall 1.9 °C 18:21 1.8 °C 2.7 °C, 2013 1.1 °C, 2016
Max 1hr Hum Fall 9% 01:20 12% 16%, 2015 6%, 2010
Max 10m Wind Speed 7.4 mph 10:06 8.8 mph 15.0 mph, 2011 6.1 mph, 2017
Minimum Feels-like 10.8 °C 05:02 14.0 °C 18.2 °C, 2017 10.8 °C, 2018
Maximum Feels-like 20.8 °C 17:21 25.2 °C 38.7 °C, 2017 20.8 °C, 2018
Mean Feels-like 15.8 °C 19.5 °C 29.3 °C, 2017 15.8 °C, 2018
Air-frost Hrs 0 hrs 0 hrs 0 hrs, 2009 0 hrs, 2009
Measure Value (anomaly) Month cumul. Record High Record Low
Temperature Range 10.0 °C (+0.6) 9.5 °C (+0.5) 17.4 °C (+8.0), 2017 5.6 °C (-3.8), 2015
Humidity Range 40% 35% 47%, 2015 21%, 2013
Pressure Range 9 hPa 4 hPa 10 hPa, 2012 2 hPa, 2010
Measure Value [% of max] Month cumul. Record High Record Low
Sun Hours 12.5 [83%]117 hrs (88%) [37%] 14 [93%], 2017 1 [7%], 2012
Wet Hours 03.5 hrs (14%) [0.7%] 4, 2012 0, 2009
Cloud Cover Mostly Sunny
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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