Daily Report for 31st January 2018

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Measure Value (anomaly) Time Month cumul. Record High Record Low
Minimum Temperature 2.8 °C (+0.4) 23:32 3.9 °C (+1.5) 7.2 °C (+4.8), 2013 -3.2 °C (-5.6), 2010
Maximum Temperature 9.6 °C (+2.6) 01:11 8.9 °C (+1.9) 13.3 °C (+6.3), 2016 1.7 °C (-5.3), 2012
Mean Temperature 6.5 °C (+1.5) 6.4 °C (+1.7) 9.0 °C, 2016 -0.3 °C, 2010
Minimum Humidity 63% 16:34 75% 89%, 2014 48%, 2009
Maximum Humidity 96% 00:18 93% 98%, 2014 64%, 2009
Mean Humidity 82% 85% 96%, 2014 56%, 2009
Minimum Pressure 1000 hPa 23:30 1005 hPa 1025 hPa, 2011 979 hPa, 2015
Maximum Pressure 1014 hPa 00:00 1016 hPa 1029 hPa, 2012 993 hPa, 2015
Mean Pressure 1005 hPa 1011 hPa 1026 hPa, 2012 984 hPa, 2015
Mean Wind Speed 8.7 mph (+3.5) 6.6 mph (+1.4) 9.4 mph, 2013 2.7 mph, 2011
Maximum Wind Speed 17.6 mph 14:03 16.8 mph 23.5 mph, 2013 8.1 mph, 2010
Maximum Gust 27.6 mph 02:19 27.4 mph 33.4 mph, 2013 11.8 mph, 2011
Mean Wind Direction WSW
Rainfall 1.6 mm 65.4 mm (119%) 8.7 mm, 2014
Maximum Hourly Rain 0.8 mm 07:39 2.4 mm, 2014
Maximum 10-min Rain 0.4 mm 11:15 0.9 mm, 2014
Maximum Rain Rate 3.0 mm/h 07:23 18 mm/h, 2014
Minimum Dew Point -0.7 °C 17:04 1.5 °C 2.8 °C, 2017 -5.1 °C, 2010
Maximum Dew Point 8.8 °C 00:30 6.8 °C 11.4 °C, 2016 -1.0 °C, 2010
Mean Dew Point 3.6 °C 4.0 °C 6.4 °C, 2016 -3.1 °C, 2010
Measure Value Time Month cumul. Record High Record Low
Night Minimum (21-09) * 7.0 °C * 21:08 4.9 °C 7.2 °C, 2013 -3.2 °C, 2010
Day Maximum (09-21) * 8.6 °C * 10:05 8.5 °C 13.3 °C, 2016 1.7 °C, 2012
Max 10m Temp Rise 0.2 °C 12:46 0.4 °C 0.9 °C, 2014 0.2 °C, 2011
Max 1hr Temp Rise 0.4 °C 01:01 1.0 °C 2.7 °C, 2014 0.4 °C, 2018
Max 1hr Hum Rise 7% 18:03 6% 8%, 2013 1%, 2017
Max 10m Temp Fall 1.1 °C 10:25 0.4 °C 1.2 °C, 2013 0.1 °C, 2017
Max 1hr Temp Fall 2.7 °C 11:14 1.1 °C 2.7 °C, 2018 0.3 °C, 2017
Max 1hr Hum Fall 10% 16:25 7% 16%, 2015 1%, 2017
Max 10m Wind Speed 13.8 mph 16:01 12.9 mph 16.1 mph, 2013 6.4 mph, 2010
Minimum Feels-like -2.6 °C 23:51 -0.2 °C 2.9 °C, 2013 -7.0 °C, 2010
Maximum Feels-like 7.7 °C 01:16 8.5 °C 15.3 °C, 2016 1.5 °C, 2012
Mean Feels-like 2.8 °C 4.0 °C 8.6 °C, 2016 -3.1 °C, 2010
Air-frost Hrs 0 hrs 0.1 hrs 13 hrs, 2010 0 hrs, 2013
Measure Value (anomaly) Month cumul. Record High Record Low
Temperature Range 6.8 °C (+2.2) 4.9 °C (+0.3) 9.0 °C (+4.4), 2016 2.8 °C (-1.8), 2013
Humidity Range 33% 18% 38%, 2015 2%, 2017
Pressure Range 14 hPa 11 hPa 21 hPa, 2014 1 hPa, 2009
Measure Value [% of max] Month cumul. Record High Record Low
Sun Hours 2.3 [28%]57 hrs (123%) [24%] 4.8 [59%], 2009 0 [0%], 2012
Wet Hours 2
[Mean rain rate: 0.8 mm/h]
63 hrs (94%) [8.5%] 8, 2014 , 2009
Cloud Cover am: Mostly Cloudy or Overcast
pm: Partly Cloudy with periods of Mostly Sunny
Events None
Comments am Showers
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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