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 1.8 °C (-5.2), 2019
Mean Temperature 10.6 °C (+5.8) 5.9 °C (+1.4) 10.6 °C, 2018 0.1 °C, 2019
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 1.8 °C, 2019
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 1.7 °C, 2019 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 1.7 °C, 2019
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 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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