Daily Report for 23rd January 2018

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Measure Value (anomaly) Time Month cumul. Record High Record Low
Minimum Temperature 8.2 °C (+5.9) 00:13 3.8 °C (+1.4) 8.2 °C (+5.9), 2018 -4.1 °C (-6.4), 2015
Maximum Temperature 12.7 °C (+5.7) 15:03 8.3 °C (+1.3) 12.7 °C (+5.7), 2018 2.3 °C (-4.7), 2013
Mean Temperature 10.6 °C (+5.8) 5.9 °C (+1.4) 10.6 °C, 2018 1.1 °C, 2015
Minimum Humidity 79% 03:03 75% 88%, 2010 49%, 2009
Maximum Humidity 94% 19:25 93% 98%, 2010 83%, 2012
Mean Humidity 88% 85% 95%, 2010 71%, 2009
Minimum Pressure 1013 hPa 16:31 1003 hPa 1033 hPa, 2011 967 hPa, 2009
Maximum Pressure 1019 hPa 01:00 1014 hPa 1035 hPa, 2011 985 hPa, 2009
Mean Pressure 1015 hPa 1008 hPa 1034 hPa, 2011 976 hPa, 2009
Mean Wind Speed 8.1 mph (+2.9) 6.5 mph (+1.3) 8.1 mph, 2018 0.2 mph, 2017
Maximum Wind Speed 16.8 mph 14:07 17.0 mph 16.8 mph, 2018 3.7 mph, 2017
Maximum Gust 30.0 mph 14:27 27.4 mph 30.0 mph, 2018 4.2 mph, 2017
Mean Wind Direction SW
Rainfall 0.4 mm 51.4 mm (126%) 11.0 mm, 2009
Maximum Hourly Rain 0.4 mm 19:09 5.0 mm, 2009
Maximum 10-min Rain 0.4 mm 19:09 0.9 mm, 2014
Maximum Rain Rate 4.0 mm/h 19:09 6 mm/h, 2014
Minimum Dew Point 5.0 °C 00:13 1.3 °C 5.0 °C, 2018 -5.6 °C, 2015
Maximum Dew Point 11.1 °C 19:16 6.2 °C 11.1 °C, 2018 -0.5 °C, 2013
Mean Dew Point 8.5 °C 3.5 °C 8.5 °C, 2018 -1.3 °C, 2013
Measure Value Time Month cumul. Record High Record Low
Night Minimum (21-09) * 7.7 °C * 22:13 4.4 °C 7.7 °C, 2018 -4.1 °C, 2015
Day Maximum (09-21) 12.7 °C 15:03 7.9 °C 12.7 °C, 2018 2.0 °C, 2013
Max 10m Temp Rise 0.3 °C 10:36 0.4 °C 0.5 °C, 2015 0.1 °C, 2010
Max 1hr Temp Rise 1.2 °C 12:57 1.0 °C 2.0 °C, 2015 0.1 °C, 2010
Max 1hr Hum Rise 7% 07:05 5% 7%, 2018 2%, 2010
Max 10m Temp Fall 0.2 °C 16:03 0.4 °C 0.4 °C, 2016 0.1 °C, 2011
Max 1hr Temp Fall 0.6 °C 22:13 1.0 °C 1.3 °C, 2016 0.4 °C, 2011
Max 1hr Hum Fall 6% 20:22 7% 21%, 2014 2%, 2017
Max 10m Wind Speed 12.7 mph 13:05 13.0 mph 12.7 mph, 2018 2.2 mph, 2017
Minimum Feels-like 4.9 °C 04:31 -0.5 °C 4.9 °C, 2018 -6.2 °C, 2015
Maximum Feels-like 14.3 °C 14:34 7.8 °C 14.3 °C, 2018 1.9 °C, 2013
Mean Feels-like 10.2 °C 3.3 °C 10.2 °C, 2018 -2.3 °C, 2013
Air-frost Hrs 0 hrs 0 hrs 11 hrs, 2015 0 hrs, 2010
Measure Value (anomaly) Month cumul. Record High Record Low
Temperature Range 4.5 °C (-0.2) 4.5 °C (-0.1) 11.4 °C (+6.7), 2015 1.4 °C (-3.3), 2013
Humidity Range 15% 18% 44%, 2009 5%, 2017
Pressure Range 6 hPa 11 hPa 18 hPa, 2009 2 hPa, 2011
Measure Value [% of max] Month cumul. Record High Record Low
Sun Hours 0 [0%]38 hrs (113%) [22%] 6 [77%], 2015 0 [0%], 2011
Wet Hours 0.5
[Mean rain rate: 0.8 mm/h]
48 hrs (96%) [8.6%] 2, 2015 , 2009
Cloud Cover am: Overcast
pm: Mostly Cloudy or Overcast
Events None
Comments 19 Shower
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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