Daily Report for 27th January 2017

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Measure Value (anomaly) Time Month cumul. Record High Record Low
Minimum Temperature -1.8 °C (-4.1) 03:18 0.7 °C (-1.7) 7.6 °C (+5.3), 2016 -2.7 °C (-5.0), 2010
Maximum Temperature 6.9 °C (-0.1) 23:47 6.6 °C (-0.4) 13.3 °C (+6.3), 2016 2.6 °C (-4.4), 2011
Mean Temperature 2.8 °C (-2.1) 3.7 °C (-1.0) 11.8 °C, 2016 1.5 °C, 2010
Minimum Humidity 77% 14:35 68% 77%, 2017 49%, 2013
Maximum Humidity 85% 10:43 83% 98%, 2010 78%, 2011
Mean Humidity 80% 77% 87%, 2010 68%, 2011
Minimum Pressure 1008 hPa 19:36 1021 hPa 1020 hPa, 2015 987 hPa, 2014
Maximum Pressure 1014 hPa 00:31 1027 hPa 1040 hPa, 2010 992 hPa, 2014
Mean Pressure 1012 hPa 1024 hPa 1028 hPa, 2010 989 hPa, 2014
Mean Wind Speed 2.8 mph (-2.4) 3.1 mph (-2.1) 10.7 mph, 2016 2.8 mph, 2017
Maximum Wind Speed 8.8 mph 11:59 9.8 mph 21.9 mph, 2016 8.8 mph, 2017
Maximum Gust 14.7 mph 11:59 14.4 mph 33.4 mph, 2016 13.5 mph, 2012
Mean Wind Direction SSE
Rainfall 0.0 mm 48.0 mm (100%) 7.1 mm, 2013
Maximum Hourly Rain n/a 2.2, 2013
Maximum 10-min Rain n/a 1.1, 2013
Maximum Rain Rate n/a 17, 2013
Minimum Dew Point -4.9 °C 00:44 -3.0 °C 2.5 °C, 2016 -6.0 °C, 2011
Maximum Dew Point 3.3 °C 23:47 2.7 °C 11.4 °C, 2016 -1.7 °C, 2011
Mean Dew Point -0.3 °C -0.1 °C 9.6 °C, 2016 -3.7 °C, 2011
Measure Value Time Month cumul. Record High Record Low
Night Minimum (21-09) -1.8 °C 03:18 1.6 °C 11.5 °C, 2016 -2.7 °C, 2010
Day Maximum (09-21) * 6.3 °C * 20:58 6.5 °C 13.3 °C, 2016 2.6 °C, 2011
Max 10m Temp Rise 0.5 °C 10:37 0.4 °C 0.5 °C, 2017 0.1 °C, 2011
Max 1hr Temp Rise 2.0 °C 11:00 1.3 °C 2.0 °C, 2017 0.5 °C, 2011
Max 1hr Hum Rise 2% 04:10 4% 13%, 2012 1%, 2016
Max 10m Temp Fall 0.2 °C 03:05 0.4 °C 1.2 °C, 2012 0.2 °C, 2010
Max 1hr Temp Fall 0.3 °C 03:05 1.3 °C 2.8 °C, 2012 0.3 °C, 2017
Max 1hr Hum Fall 5% 11:49 6% 18%, 2013 5%, 2017
Max 10m Wind Speed 6.9 mph 12:03 7.4 mph 17.3 mph, 2016 6.9 mph, 2017
Minimum Feels-like -4.7 °C 01:25 -2.5 °C 3.7 °C, 2016 -5.0 °C, 2011
Maximum Feels-like 6.9 °C 23:38 6.3 °C 15.3 °C, 2016 1.9 °C, 2011
Mean Feels-like 1.0 °C 2.0 °C 12.7 °C, 2016 -2.6 °C, 2011
Air-frost Hrs 8 hrs 4 hrs 8 hrs, 2010 0 hrs, 2011
Measure Value (anomaly) Month cumul. Record High Record Low
Temperature Range 8.7 °C (+4.0) 5.9 °C (+1.2) 8.7 °C (+4.0), 2017 1.5 °C (-3.2), 2011
Humidity Range 8% 15% 49%, 2013 8%, 2017
Pressure Range 6 hPa 7 hPa 23 hPa, 2010 5 hPa, 2014
Measure Value [% of max] Month cumul. Record High Record Low
Sun Hours 0.2 [3%]71 hrs (179%) [35%] 7.5 [95%], 2012 0 [0%], 2010
Wet Hours 064 hrs (109%) [9.8%] 7, 2013 , 2009
Cloud Cover Overcast or 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 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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