Daily Report for 27th January 2018

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Measure Value (anomaly) Time Month cumul. Record High Record Low
Minimum Temperature 4.5 °C (+2.2) 06:18 4.0 °C (+1.6) 7.6 °C (+5.3), 2016 -2.7 °C (-5.0), 2010
Maximum Temperature 11.0 °C (+4.0) 22:22 8.6 °C (+1.6) 13.3 °C (+6.3), 2016 2.6 °C (-4.4), 2011
Mean Temperature 7.7 °C (+3.1) 6.2 °C (+1.6) 11.8 °C, 2016 1.5 °C, 2010
Minimum Humidity 81% 08:53 75% 81%, 2018 49%, 2013
Maximum Humidity 96% 20:01 93% 98%, 2010 78%, 2011
Mean Humidity 88% 85% 88%, 2018 68%, 2011
Minimum Pressure 1023 hPa 16:31 1004 hPa 1023 hPa, 2018 987 hPa, 2014
Maximum Pressure 1028 hPa 04:01 1015 hPa 1040 hPa, 2010 992 hPa, 2014
Mean Pressure 1026 hPa 1009 hPa 1028 hPa, 2010 989 hPa, 2014
Mean Wind Speed 6.9 mph (+1.7) 6.5 mph (+1.3) 10.7 mph, 2016 2.8 mph, 2017
Maximum Wind Speed 18.2 mph 12:25 16.8 mph 21.9 mph, 2016 8.8 mph, 2017
Maximum Gust 31.1 mph 12:14 27.5 mph 33.4 mph, 2016 13.5 mph, 2012
Mean Wind Direction SW
Rainfall 0.8 mm 62.6 mm (131%) 7.1 mm, 2013
Maximum Hourly Rain 0.8 mm 15:16 2.2 mm, 2013
Maximum 10-min Rain 0.2 mm 1.1 mm, 2013
Maximum Rain Rate 0.7 mm/h 14:54 17 mm/h, 2013
Minimum Dew Point 1.6 °C 06:50 1.5 °C 2.5 °C, 2016 -6.0 °C, 2011
Maximum Dew Point 10.0 °C 21:26 6.4 °C 11.4 °C, 2016 -1.7 °C, 2011
Mean Dew Point 5.8 °C 3.8 °C 9.6 °C, 2016 -3.7 °C, 2011
Measure Value Time Month cumul. Record High Record Low
Night Minimum (21-09) 4.5 °C 06:18 4.6 °C 11.5 °C, 2016 -2.7 °C, 2010
Day Maximum (09-21) * 10.6 °C * 20:55 8.2 °C 13.3 °C, 2016 2.6 °C, 2011
Max 10m Temp Rise 0.3 °C 09:30 0.4 °C 0.5 °C, 2017 0.1 °C, 2011
Max 1hr Temp Rise 1.4 °C 09:36 1.0 °C 2.0 °C, 2017 0.5 °C, 2011
Max 1hr Hum Rise 8% 14:16 5% 13%, 2012 1%, 2016
Max 10m Temp Fall 0.2 °C 14:07 0.4 °C 1.2 °C, 2012 0.2 °C, 2010
Max 1hr Temp Fall 0.8 °C 04:20 1.1 °C 2.8 °C, 2012 0.3 °C, 2017
Max 1hr Hum Fall 3% 03:03 7% 18%, 2013 3%, 2018
Max 10m Wind Speed 13.7 mph 13:49 12.9 mph 17.3 mph, 2016 6.9 mph, 2017
Minimum Feels-like 0.3 °C 06:40 -0.2 °C 3.7 °C, 2016 -5.0 °C, 2011
Maximum Feels-like 12.2 °C 22:22 8.2 °C 15.3 °C, 2016 1.9 °C, 2011
Mean Feels-like 5.6 °C 3.7 °C 12.7 °C, 2016 -2.6 °C, 2011
Air-frost Hrs 0 hrs 0 hrs 8 hrs, 2010 0 hrs, 2011
Measure Value (anomaly) Month cumul. Record High Record Low
Temperature Range 6.5 °C (+1.8) 4.6 °C (-0.0) 8.7 °C (+4.0), 2017 1.5 °C (-3.2), 2011
Humidity Range 15% 18% 49%, 2013 8%, 2017
Pressure Range 5 hPa 11 hPa 23 hPa, 2010 5 hPa, 2014
Measure Value [% of max] Month cumul. Record High Record Low
Sun Hours 0.2 [3%]47 hrs (119%) [23%] 7.5 [95%], 2012 0 [0%], 2010
Wet Hours 2
[Mean rain rate: 0.4 mm/h]
55 hrs (94%) [8.5%] 7, 2013 , 2009
Cloud Cover Overcast
Events None
Comments 14-16 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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Daily Graph of Conditions

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