Daily Report for 23rd February 2018

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Measure Value (anomaly) Time Month cumul. Record High Record Low
Minimum Temperature -0.6 °C (-3.0) 05:45 1.1 °C (-1.0) 9.9 °C (+7.5), 2012 -0.6 °C (-3.0), 2018
Maximum Temperature 3.3 °C (-4.8) 13:28 6.8 °C (-0.6) 16.0 °C (+7.9), 2012 1.7 °C (-6.4), 2013
Mean Temperature 1.6 °C (-3.9) 4.2 °C (-0.8) 12.9 °C, 2012 0.7 °C, 2013
Minimum Humidity 63% 11:46 67% 84%, 2010 47%, 2017
Maximum Humidity 87% 01:22 92% 98%, 2010 76%, 2013
Mean Humidity 75% 81% 94%, 2010 66%, 2013
Minimum Pressure 1019 hPa 21:01 1011 hPa 1024 hPa, 2009 990 hPa, 2015
Maximum Pressure 1023 hPa 00:30 1020 hPa 1027 hPa, 2012 992 hPa, 2015
Mean Pressure 1021 hPa 1016 hPa 1025 hPa, 2009 990 hPa, 2015
Mean Wind Speed 7.1 mph (+2.0) 5.5 mph (+0.4) 12.9 mph, 2017 3.1 mph, 2016
Maximum Wind Speed 16.4 mph 14:55 14.1 mph 27.4 mph, 2017 9.1 mph, 2016
Maximum Gust 25.3 mph 11:39 21.9 mph 46.1 mph, 2017 15.7 mph, 2016
Mean Wind Direction ENE
Rainfall 0.0 mm 29.4 mm (89%) 3.5 mm, 2011
Maximum Hourly Rain n/a 2.6, 2017
Maximum 10-min Rain n/a 2.6, 2017
Maximum Rain Rate n/a 48, 2017
Minimum Dew Point -3.3 °C 06:00 -1.3 °C 7.9 °C, 2012 -7.0 °C, 2013
Maximum Dew Point -1.4 °C 00:01 3.8 °C 11.5 °C, 2012 -2.9 °C, 2013
Mean Dew Point -2.5 °C 1.2 °C 10.2 °C, 2012 -5.0 °C, 2013
Measure Value Time Month cumul. Record High Record Low
Night Minimum (21-09) -0.6 °C 05:45 1.9 °C 9.7 °C, 2017 -0.6 °C, 2018
Day Maximum (09-21) 3.3 °C 13:28 6.5 °C 16.0 °C, 2012 1.7 °C, 2013
Max 10m Temp Rise 0.5 °C 08:49 0.5 °C 0.6 °C, 2009 0.2 °C, 2010
Max 1hr Temp Rise 2.0 °C 09:35 1.6 °C 2.0 °C, 2018 0.6 °C, 2010
Max 1hr Hum Rise 5% 16:34 8% 11%, 2013 4%, 2010
Max 10m Temp Fall 0.4 °C 17:21 0.4 °C 0.9 °C, 2009 0.1 °C, 2011
Max 1hr Temp Fall 0.9 °C 17:30 1.2 °C 2.0 °C, 2016 0.4 °C, 2011
Max 1hr Hum Fall 12% 09:37 9% 14%, 2015 4%, 2011
Max 10m Wind Speed 13.2 mph 11:41 10.9 mph 22.0 mph, 2017 7.3 mph, 2016
Minimum Feels-like -5.5 °C 06:05 -2.9 °C 7.1 °C, 2012 -5.6 °C, 2013
Maximum Feels-like 1.9 °C 14:14 5.7 °C 17.8 °C, 2012 -0.5 °C, 2013
Mean Feels-like -2.7 °C 1.3 °C 14.2 °C, 2012 -3.2 °C, 2013
Air-frost Hrs 3 hrs 1 hrs 5 hrs, 2013 0 hrs, 2009
Measure Value (anomaly) Month cumul. Record High Record Low
Temperature Range 3.9 °C (-1.8) 5.7 °C (+0.4) 8.1 °C (+2.4), 2016 2.0 °C (-3.7), 2013
Humidity Range 24% 25% 40%, 2015 14%, 2010
Pressure Range 4 hPa 8 hPa 17 hPa, 2017 2 hPa, 2009
Measure Value [% of max] Month cumul. Record High Record Low
Sun Hours 1.3 [14%]66 hrs (108%) [32%] 7 [75%], 2012 0 [0%], 2010
Wet Hours 050 hrs (116%) [9%] 5, 2011 , 2009
Cloud Cover am: Partly Cloudy
pm: Mostly Cloudy
Events Air Frost
Comments -
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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