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 [79%]117 hrs (88%) [37%] 14 [93%], 2017 1 [7%], 2012
Wet Hours 03.5 hrs (14%) [0.7%] 4, 2012 0, 2009
Cloud Cover unknown
Events None
Comments blr
Extra Comments
Issues None known
Observer Absent? No
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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