Daily Report for 11th January 2018

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Measure Value (anomaly) Time Month cumul. Record High Record Low
Minimum Temperature 4.6 °C (+2.2) 00:02 3.7 °C (+1.3) 7.2 °C (+4.8), 2012 -2.0 °C (-4.4), 2009
Maximum Temperature 6.8 °C (-0.2) 16:35 8.2 °C (+1.2) 11.1 °C (+4.1), 2012 0.8 °C (-6.2), 2010
Mean Temperature 6.1 °C (+1.0) 5.9 °C (+1.2) 9.1 °C, 2012 0.4 °C, 2010
Minimum Humidity 93% 11:43 77% 94%, 2013 42%, 2009
Maximum Humidity 96% 05:28 93% 98%, 2010 76%, 2015
Mean Humidity 94% 86% 97%, 2010 66%, 2009
Minimum Pressure 1009 hPa 00:45 1000 hPa 1031 hPa, 2012 978 hPa, 2016
Maximum Pressure 1025 hPa 22:45 1013 hPa 1034 hPa, 2012 989 hPa, 2016
Mean Pressure 1018 hPa 1007 hPa 1032 hPa, 2012 982 hPa, 2016
Mean Wind Speed 2.9 mph (-2.3) 6.5 mph (+1.3) 8.6 mph, 2015 1.2 mph, 2013
Maximum Wind Speed 8.6 mph 18:29 17.6 mph 21.4 mph, 2017 4.5 mph, 2010
Maximum Gust 12.7 mph 13:31 28.8 mph 30.4 mph, 2017 6.0 mph, 2010
Mean Wind Direction N
Rainfall 0.2 mm 24.0 mm (123%) 16.1 mm, 2016
Maximum Hourly Rain 0.2 mm 8.2 mm, 2016
Maximum 10-min Rain 0.2 mm 2.1 mm, 2016
Maximum Rain Rate n/a 42, 2016
Minimum Dew Point 3.9 °C 01:57 1.5 °C 4.3 °C, 2012 -2.4 °C, 2017
Maximum Dew Point 6.1 °C 13:25 6.2 °C 8.2 °C, 2012 0.2 °C, 2010
Mean Dew Point 5.3 °C 3.6 °C 6.3 °C, 2012 -0.8 °C, 2009
Measure Value Time Month cumul. Record High Record Low
Night Minimum (21-09) * 4.2 °C * 23:42 4.3 °C 7.4 °C, 2017 -2.0 °C, 2009
Day Maximum (09-21) 6.8 °C 16:22 7.9 °C 11.1 °C, 2012 0.8 °C, 2010
Max 10m Temp Rise 0.2 °C 00:10 0.5 °C 0.4 °C, 2012 0.1 °C, 2010
Max 1hr Temp Rise 0.5 °C 01:01 1.0 °C 1.4 °C, 2015 0.2 °C, 2010
Max 1hr Hum Rise 2% 05:36 6% 7%, 2014 2%, 2010
Max 10m Temp Fall 0.2 °C 01:55 0.5 °C 0.7 °C, 2014 0.1 °C, 2010
Max 1hr Temp Fall 0.5 °C 05:15 1.1 °C 2.4 °C, 2014 0.2 °C, 2010
Max 1hr Hum Fall 2% 01:12 7% 18%, 2011 1%, 2010
Max 10m Wind Speed 5.6 mph 18:33 13.7 mph 14.7 mph, 2015 3.1 mph, 2010
Minimum Feels-like 1.9 °C 05:34 -0.3 °C 3.9 °C, 2012 -2.8 °C, 2013
Maximum Feels-like 6.8 °C 13:10 7.5 °C 11.5 °C, 2012 0.8 °C, 2010
Mean Feels-like 4.7 °C 3.2 °C 7.9 °C, 2012 0.3 °C, 2010
Air-frost Hrs 0 hrs 0 hrs 0.2 hrs, 2014 0 hrs, 2010
Measure Value (anomaly) Month cumul. Record High Record Low
Temperature Range 2.2 °C (-2.4) 4.5 °C (-0.1) 10.5 °C (+5.9), 2009 0.7 °C (-3.9), 2010
Humidity Range 3% 16% 49%, 2009 3%, 2018
Pressure Range 16 hPa 13 hPa 20 hPa, 2011 3 hPa, 2010
Measure Value [% of max] Month cumul. Record High Record Low
Sun Hours 0 [0%]13 hrs (85%) [17%] 7 [96%], 2014 0 [0%], 2010
Wet Hours 117 hrs (72%) [6.4%] 8, 2016 , 2009
Cloud Cover Overcast
Events None
Comments some day 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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Webcam Summary of Cloud Conditions

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