Daily Report for 6th January 2017

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Measure Value (anomaly) Time Month cumul. Record High Record Low
Minimum Temperature -1.7 °C (-4.2) 04:54 0.4 °C (-2.1) 8.9 °C (+6.4), 2014 -4.6 °C (-7.1), 2009
Maximum Temperature 6.9 °C (-0.1) 14:17 6.5 °C (-0.5) 12.2 °C (+5.2), 2014 0.3 °C (-6.7), 2010
Mean Temperature 2.9 °C (-2.2) 3.4 °C (-1.3) 10.9 °C, 2014 -2.1 °C, 2009
Minimum Humidity 67% 14:36 68% 94%, 2011 42%, 2009
Maximum Humidity 86% 23:05 82% 98%, 2010 62%, 2009
Mean Humidity 81% 77% 97%, 2013 52%, 2009
Minimum Pressure 1032 hPa 22:31 1023 hPa 1032 hPa, 2017 989 hPa, 2016
Maximum Pressure 1037 hPa 07:58 1030 hPa 1037 hPa, 2017 997 hPa, 2016
Mean Pressure 1035 hPa 1027 hPa 1035 hPa, 2017 993 hPa, 2016
Mean Wind Speed 3.4 mph (-1.8) 3.8 mph (-1.4) 11.0 mph, 2014 1.4 mph, 2016
Maximum Wind Speed 10.2 mph 20:20 10.5 mph 20.1 mph, 2014 7.4 mph, 2011
Maximum Gust 15.7 mph 18:48 16.2 mph 32.2 mph, 2014 10.4 mph, 2016
Mean Wind Direction SW
Rainfall 2.9 mm 10.4 mm (98%) 16.8 mm, 2014
Maximum Hourly Rain 0.6 mm 17:37 3.9 mm, 2014
Maximum 10-min Rain 0.2 mm 20:36 3.1 mm, 2014
Maximum Rain Rate 0.6 mm/h 17:09 60 mm/h, 2014
Minimum Dew Point -4.4 °C 04:18 -3.2 °C 6.4 °C, 2013 -5.9 °C, 2010
Maximum Dew Point 4.0 °C 23:56 3.0 °C 11.9 °C, 2014 0.0 °C, 2010
Mean Dew Point -0.0 °C -0.2 °C 8.1 °C, 2014 -3.4 °C, 2009
Measure Value Time Month cumul. Record High Record Low
Night Minimum (21-09) -1.7 °C 04:54 1.7 °C 9.2 °C, 2014 -4.6 °C, 2009
Day Maximum (09-21) 6.9 °C 14:17 6.5 °C 12.2 °C, 2014 0.3 °C, 2010
Max 10m Temp Rise 0.6 °C 09:07 0.3 °C 0.6 °C, 2017 0.1 °C, 2010
Max 1hr Temp Rise 2.8 °C 09:25 1.3 °C 2.8 °C, 2017 0.2 °C, 2010
Max 1hr Hum Rise 7% 16:16 4% 15%, 2014 1%, 2016
Max 10m Temp Fall 0.3 °C 01:51 0.6 °C 0.9 °C, 2014 0.1 °C, 2013
Max 1hr Temp Fall 0.8 °C 16:09 1.8 °C 2.3 °C, 2014 0.4 °C, 2013
Max 1hr Hum Fall 8% 14:26 6% 14%, 2015 1%, 2016
Max 10m Wind Speed 8.5 mph 20:23 8.0 mph 16.1 mph, 2014 6.3 mph, 2016
Minimum Feels-like -3.7 °C 07:43 -2.9 °C 4.7 °C, 2014 -10.1 °C, 2010
Maximum Feels-like 6.2 °C 14:18 5.9 °C 14.4 °C, 2014 0.3 °C, 2010
Mean Feels-like 1.2 °C 1.3 °C 11.0 °C, 2014 -1.3 °C, 2010
Air-frost Hrs 9 hrs 3 hrs 9 hrs, 2017 0 hrs, 2011
Measure Value (anomaly) Month cumul. Record High Record Low
Temperature Range 8.6 °C (+4.1) 6.1 °C (+1.6) 8.6 °C (+4.1), 2017 1.7 °C (-2.8), 2013
Humidity Range 19% 14% 31%, 2014 3%, 2016
Pressure Range 5 hPa 7 hPa 10 hPa, 2010 2 hPa, 2009
Measure Value [% of max] Month cumul. Record High Record Low
Sun Hours 2 [28%]17 hrs (201%) [40%] 8 [111%], 2009 0 [0%], 2010
Wet Hours 8
[Mean rain rate: 0.4 mm/h]
18 hrs (135%) [12%] 14, 2010 , 2009
Cloud Cover am: Mostly Cloudy transitioned to Mostly Sunny
pm: Mostly Sunny transitioned to Overcast
Events Air Frost
Comments 16- Rain
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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