Daily Report for 17th February 2018

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Measure Value (anomaly) Time Month cumul. Record High Record Low
Minimum Temperature 0.9 °C (-1.0) 06:24 0.7 °C (-1.4) 7.1 °C (+5.2), 2017 -0.3 °C (-2.2), 2010
Maximum Temperature 9.4 °C (+2.0) 13:59 6.7 °C (-0.6) 12.7 °C (+5.3), 2017 7.0 °C (-0.4), 2016
Mean Temperature 5.5 °C (+0.5) 3.8 °C (-1.0) 9.6 °C, 2012 3.5 °C, 2010
Minimum Humidity 53% 14:16 66% 80%, 2011 47%, 2015
Maximum Humidity 95% 07:46 92% 98%, 2010 83%, 2017
Mean Humidity 78% 81% 89%, 2011 72%, 2016
Minimum Pressure 1021 hPa 05:16 1008 hPa 1025 hPa, 2017 989 hPa, 2010
Maximum Pressure 1023 hPa 11:59 1018 hPa 1041 hPa, 2015 992 hPa, 2010
Mean Pressure 1022 hPa 1013 hPa 1035 hPa, 2015 990 hPa, 2010
Mean Wind Speed 2.5 mph (-2.6) 5.7 mph (+0.6) 6.0 mph, 2014 1.8 mph, 2017
Maximum Wind Speed 10.0 mph 15:04 14.5 mph 16.1 mph, 2014 6.4 mph, 2017
Maximum Gust 13.8 mph 13:48 22.8 mph 23.0 mph, 2012 9.4 mph, 2017
Mean Wind Direction S
Rainfall 0.0 mm 27.4 mm (113%) 7.0 mm, 2016
Maximum Hourly Rain n/a 2.3, 2016
Maximum 10-min Rain n/a 0.6, 2016
Maximum Rain Rate n/a 8, 2016
Minimum Dew Point -0.3 °C 06:00 -1.8 °C 3.9 °C, 2014 -3.5 °C, 2015
Maximum Dew Point 3.6 °C 10:26 3.5 °C 8.4 °C, 2009 2.5 °C, 2015
Mean Dew Point 1.7 °C 0.7 °C 6.3 °C, 2012 -0.2 °C, 2015
Measure Value Time Month cumul. Record High Record Low
Night Minimum (21-09) 0.9 °C 06:24 1.5 °C 7.9 °C, 2017 0.4 °C, 2013
Day Maximum (09-21) 9.4 °C 13:59 6.3 °C 12.7 °C, 2017 7.0 °C, 2016
Max 10m Temp Rise 0.6 °C 09:37 0.4 °C 0.6 °C, 2015 0.3 °C, 2011
Max 1hr Temp Rise 2.7 °C 10:25 1.6 °C 2.7 °C, 2018 1.1 °C, 2014
Max 1hr Hum Rise 9% 19:07 8% 13%, 2013 3%, 2011
Max 10m Temp Fall 0.3 °C 00:30 0.5 °C 0.5 °C, 2015 0.2 °C, 2011
Max 1hr Temp Fall 1.2 °C 01:01 1.2 °C 2.3 °C, 2015 0.7 °C, 2009
Max 1hr Hum Fall 16% 12:05 9% 21%, 2013 4%, 2009
Max 10m Wind Speed 7.8 mph 15:09 11.3 mph 11.6 mph, 2014 4.1 mph, 2017
Minimum Feels-like -0.7 °C 01:37 -3.7 °C 5.7 °C, 2017 -2.6 °C, 2015
Maximum Feels-like 9.4 °C 13:34 5.4 °C 12.7 °C, 2017 5.2 °C, 2016
Mean Feels-like 4.5 °C 0.7 °C 8.9 °C, 2017 1.8 °C, 2016
Air-frost Hrs 0 hrs 2 hrs 0.4 hrs, 2010 0 hrs, 2009
Measure Value (anomaly) Month cumul. Record High Record Low
Temperature Range 8.5 °C (+3.0) 6.0 °C (+0.9) 9.3 °C (+3.8), 2013 3.5 °C (-2.0), 2016
Humidity Range 42% 25% 43%, 2013 17%, 2011
Pressure Range 2 hPa 10 hPa 18 hPa, 2015 2 hPa, 2018
Measure Value [% of max] Month cumul. Record High Record Low
Sun Hours 8 [89%]55 hrs (125%) [38%] 9 [100%], 2015 0.1 [1%], 2012
Wet Hours 041 hrs (128%) [9.9%] 7, 2016 , 2009
Cloud Cover Sunny with periods of 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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