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 2 hPa, 2019
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 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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Daily Graph of Conditions

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Webcam Summary of Cloud Conditions

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