Daily Report for 11th February 2017

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Measure Value (anomaly) Time Month cumul. Record High Record Low
Minimum Temperature 0.4 °C (-1.7) 07:33 3.5 °C (+1.2) 8.4 °C (+6.3), 2011 -8.1 °C (-10.2), 2012
Maximum Temperature 2.4 °C (-4.7) 16:23 7.0 °C (-0.2) 12.0 °C (+5.0), 2011 0.8 °C (-6.2), 2012
Mean Temperature 1.4 °C (-3.2) 5.4 °C (+0.5) 10.1 °C, 2011 -3.7 °C, 2012
Minimum Humidity 78% 17:07 73% 98%, 2013 54%, 2010
Maximum Humidity 85% 04:37 86% 98%, 2013 77%, 2015
Mean Humidity 83% 80% 98%, 2013 69%, 2010
Minimum Pressure 1020 hPa 23:54 1007 hPa 1035 hPa, 2012 988 hPa, 2014
Maximum Pressure 1022 hPa 09:47 1015 hPa 1036 hPa, 2012 1001 hPa, 2014
Mean Pressure 1021 hPa 1011 hPa 1036 hPa, 2012 996 hPa, 2014
Mean Wind Speed 4.4 mph (-0.7) 4.1 mph (-1.0) 7.5 mph, 2010 0.8 mph, 2012
Maximum Wind Speed 10.3 mph 08:16 11.0 mph 20.6 mph, 2014 6.4 mph, 2012
Maximum Gust 14.7 mph 05:46 17.0 mph 29.3 mph, 2014 8.5 mph, 2012
Mean Wind Direction NNE
Rainfall / Snow-melt approx. 1.7 mm 15.2 mm (97%) 7.6 mm, 2013
Maximum Hourly Rain 0.4 mm 03:33 1.3 mm, 2014
Maximum 10-min Rain 0.4 mm 20:15 0.4 mm, 2013
Maximum Rain Rate 2.0 mm/h 20:15 2.0 mm/h, 2017
Minimum Dew Point -2.2 °C 07:47 0.3 °C 7.3 °C, 2011 -10.2 °C, 2012
Maximum Dew Point -0.1 °C 23:07 4.0 °C 11.0 °C, 2011 -3.8 °C, 2012
Mean Dew Point -1.2 °C 2.3 °C 9.1 °C, 2011 -7.2 °C, 2012
Measure Value Time Month cumul. Record High Record Low
Night Minimum (21-09) 0.4 °C 07:33 3.9 °C 8.4 °C, 2011 -8.1 °C, 2012
Day Maximum (09-21) 2.4 °C 16:23 6.9 °C 12.0 °C, 2011 0.8 °C, 2012
Max 10m Temp Rise 0.2 °C 14:10 0.3 °C 0.7 °C, 2012 0.1 °C, 2013
Max 1hr Temp Rise 0.6 °C 14:13 0.9 °C 2.6 °C, 2012 0.2 °C, 2013
Max 1hr Hum Rise 3% 18:12 3% 7%, 2016 0%, 2013
Max 10m Temp Fall 0.2 °C 17:33 0.3 °C 0.5 °C, 2014 0.1 °C, 2013
Max 1hr Temp Fall 0.5 °C 18:10 0.9 °C 1.8 °C, 2012 0.2 °C, 2013
Max 1hr Hum Fall 2% 14:33 5% 17%, 2014 0%, 2013
Max 10m Wind Speed 6.6 mph 05:55 8.6 mph 15.2 mph, 2014 5.0 mph, 2016
Minimum Feels-like -5.0 °C 08:10 0.4 °C 6.5 °C, 2011 -8.4 °C, 2012
Maximum Feels-like 1.7 °C 18:52 6.9 °C 13.7 °C, 2011 0.6 °C, 2013
Mean Feels-like -1.9 °C 3.9 °C 10.3 °C, 2011 -4.1 °C, 2012
Air-frost Hrs 0 hrs 0 hrs 20 hrs, 2012 0 hrs, 2011
Measure Value (anomaly) Month cumul. Record High Record Low
Temperature Range 2.0 °C (-3.0) 3.5 °C (-1.4) 8.9 °C (+3.9), 2012 0.8 °C (-4.2), 2013
Humidity Range 7% 13% 35%, 2014 0%, 2013
Pressure Range 2 hPa 8 hPa 16 hPa, 2013 1 hPa, 2012
Measure Value [% of max] Month cumul. Record High Record Low
Sun Hours 0 [0%]9.6 hrs (34%) [10%] 8.7 [100%], 2012 0 [0%], 2013
Wet Hours 15
[Mean rain rate: 0.1 mm/h]
49 hrs (240%) [19%] 18, 2013 , 2009
Cloud Cover unknown
Events Snowfall: ~1 cm
Comments Rain/Snow throughout
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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