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 -0.8 °C (-3.2), 2019
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 -0.8 °C, 2019
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 2.9 °C, 2019 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 4 hrs, 2019 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 of the longest continuous period at that extreme value.
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 (entered with a delay of 1-10 days); their reliablity is questionable and they are provided for interest only.
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