Daily Report for 29th January 2018

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Measure Value (anomaly) Time Month cumul. Record High Record Low
Minimum Temperature 3.0 °C (+0.6) 23:48 4.1 °C (+1.7) 9.6 °C (+7.2), 2013 -0.7 °C (-3.1), 2010
Maximum Temperature 12.2 °C (+5.2) 12:43 8.8 °C (+1.8) 13.5 °C (+6.5), 2013 1.3 °C (-5.7), 2011
Mean Temperature 9.4 °C (+2.9) 6.5 °C (+1.8) 11.6 °C, 2013 0.7 °C, 2011
Minimum Humidity 76% 17:45 76% 91%, 2014 64%, 2015
Maximum Humidity 92% 14:40 93% 98%, 2010 77%, 2011
Mean Humidity 81% 85% 95%, 2014 74%, 2011
Minimum Pressure 1024 hPa 13:31 1005 hPa 1028 hPa, 2012 976 hPa, 2015
Maximum Pressure 1032 hPa 23:00 1016 hPa 1032 hPa, 2012 999 hPa, 2014
Mean Pressure 1028 hPa 1010 hPa 1030 hPa, 2012 985 hPa, 2015
Mean Wind Speed 7.8 mph (+2.6) 6.6 mph (+1.4) 12.0 mph, 2016 2.9 mph, 2012
Maximum Wind Speed 19.1 mph 12:28 17.0 mph 23.2 mph, 2016 8.5 mph, 2012
Maximum Gust 27.6 mph 11:36 27.7 mph 33.1 mph, 2013 10.5 mph, 2012
Mean Wind Direction W
Rainfall 0.6 mm 63.2 mm (123%) 14.0 mm, 2017
Maximum Hourly Rain 0.6 mm 14:59 4.3 mm, 2017
Maximum 10-min Rain 0.4 mm 14:59 1.1 mm, 2017
Maximum Rain Rate 3.0 mm/h 14:59 11 mm/h, 2017
Minimum Dew Point 0.7 °C 23:43 1.7 °C 6.9 °C, 2013 -4.6 °C, 2010
Maximum Dew Point 9.8 °C 14:40 6.7 °C 12.3 °C, 2013 -2.8 °C, 2011
Mean Dew Point 6.3 °C 4.0 °C 10.2 °C, 2013 -3.3 °C, 2011
Measure Value Time Month cumul. Record High Record Low
Night Minimum (21-09) * 10.4 °C * 05:34 5.0 °C 10.4 °C, 2018 -0.5 °C, 2011
Day Maximum (09-21) 12.2 °C 12:43 8.5 °C 13.5 °C, 2013 1.3 °C, 2011
Max 10m Temp Rise 0.2 °C 11:32 0.4 °C 0.5 °C, 2017 0.1 °C, 2011
Max 1hr Temp Rise 0.6 °C 10:03 1.0 °C 1.9 °C, 2017 0.3 °C, 2014
Max 1hr Hum Rise 9% 13:53 5% 12%, 2015 2%, 2011
Max 10m Temp Fall 0.6 °C 15:08 0.4 °C 0.9 °C, 2015 0.1 °C, 2011
Max 1hr Temp Fall 1.5 °C 15:55 1.1 °C 2.2 °C, 2015 0.3 °C, 2011
Max 1hr Hum Fall 7% 15:25 7% 11%, 2010 1%, 2011
Max 10m Wind Speed 14.1 mph 12:33 13.0 mph 17.3 mph, 2016 6.4 mph, 2012
Minimum Feels-like 1.1 °C 23:03 -0.0 °C 6.3 °C, 2013 -6.0 °C, 2010
Maximum Feels-like 13.0 °C 12:54 8.6 °C 15.7 °C, 2013 1.2 °C, 2011
Mean Feels-like 9.1 °C 4.1 °C 12.6 °C, 2013 -2.8 °C, 2011
Air-frost Hrs 0 hrs 0 hrs 2 hrs, 2010 0 hrs, 2012
Measure Value (anomaly) Month cumul. Record High Record Low
Temperature Range 9.2 °C (+4.6) 4.7 °C (+0.1) 9.2 °C (+4.6), 2018 1.4 °C (-3.2), 2011
Humidity Range 16% 17% 31%, 2010 4%, 2011
Pressure Range 8 hPa 11 hPa 23 hPa, 2015 2 hPa, 2009
Measure Value [% of max] Month cumul. Record High Record Low
Sun Hours 0.5 [6%]49 hrs (113%) [22%] 5.6 [70%], 2009 0 [0%], 2011
Wet Hours 2
[Mean rain rate: 0.3 mm/h]
58 hrs (93%) [8.3%] 17, 2014 , 2009
Cloud Cover am: Mostly Cloudy transitioned to Overcast
pm: Overcast transitioned to Mostly Cloudy
Events None
Comments 13-15 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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