Daily Report for 12th January 2018

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Measure Value (anomaly) Time Month cumul. Record High Record Low
Minimum Temperature 5.7 °C (+3.3) 23:28 3.9 °C (+1.4) 7.9 °C (+5.5), 2015 -0.9 °C (-3.3), 2014
Maximum Temperature 7.5 °C (+0.5) 14:39 8.1 °C (+1.1) 12.5 °C (+5.5), 2012 1.5 °C (-5.5), 2010
Mean Temperature 6.6 °C (+1.9) 6.0 °C (+1.3) 10.2 °C, 2015 0.7 °C, 2010
Minimum Humidity 83% 21:04 77% 87%, 2010 55%, 2013
Maximum Humidity 97% 08:34 93% 98%, 2010 87%, 2017
Mean Humidity 90% 86% 94%, 2014 75%, 2017
Minimum Pressure 1023 hPa 23:45 1002 hPa 1025 hPa, 2012 989 hPa, 2016
Maximum Pressure 1027 hPa 10:46 1014 hPa 1032 hPa, 2012 1008 hPa, 2016
Mean Pressure 1025 hPa 1008 hPa 1028 hPa, 2012 997 hPa, 2016
Mean Wind Speed 3.2 mph (-2.0) 6.3 mph (+1.1) 10.0 mph, 2015 3.2 mph, 2018
Maximum Wind Speed 11.5 mph 20:26 17.1 mph 22.5 mph, 2015 11.5 mph, 2018
Maximum Gust 19.6 mph 20:41 28.1 mph 30.6 mph, 2015 16.1 mph, 2010
Mean Wind Direction ESE
Rainfall 0.6 mm 24.6 mm (116%) 15.9 mm, 2017
Maximum Hourly Rain 0.4 mm 07:18 4.6 mm, 2017
Maximum 10-min Rain 0.2 mm 1.0 mm, 2017
Maximum Rain Rate 0.7 mm/h 07:18 18 mm/h, 2017
Minimum Dew Point 3.0 °C 23:11 1.6 °C 3.2 °C, 2015 -4.1 °C, 2013
Maximum Dew Point 5.9 °C 08:59 6.2 °C 11.4 °C, 2011 0.7 °C, 2010
Mean Dew Point 5.0 °C 3.8 °C 8.1 °C, 2011 -0.3 °C, 2010
Measure Value Time Month cumul. Record High Record Low
Night Minimum (21-09) * 6.1 °C * 06:55 4.5 °C 7.7 °C, 2009 -0.9 °C, 2014
Day Maximum (09-21) 7.5 °C 14:39 7.8 °C 12.5 °C, 2012 1.5 °C, 2010
Max 10m Temp Rise 0.2 °C 09:19 0.4 °C 0.6 °C, 2014 0.1 °C, 2010
Max 1hr Temp Rise 0.5 °C 09:19 0.9 °C 2.7 °C, 2014 0.4 °C, 2010
Max 1hr Hum Rise 3% 16:29 5% 11%, 2015 2%, 2010
Max 10m Temp Fall 0.3 °C 20:22 0.4 °C 0.8 °C, 2017 0.1 °C, 2010
Max 1hr Temp Fall 0.6 °C 20:50 1.0 °C 3.1 °C, 2017 0.3 °C, 2010
Max 1hr Hum Fall 6% 10:06 7% 16%, 2013 2%, 2011
Max 10m Wind Speed 9.2 mph 20:26 13.3 mph 14.7 mph, 2015 7.7 mph, 2011
Minimum Feels-like 1.5 °C 20:41 -0.2 °C 3.4 °C, 2015 -4.9 °C, 2017
Maximum Feels-like 7.4 °C 15:20 7.5 °C 14.0 °C, 2011 1.4 °C, 2010
Mean Feels-like 5.2 °C 3.3 °C 9.4 °C, 2015 -1.8 °C, 2010
Air-frost Hrs 0 hrs 0 hrs 9 hrs, 2014 0 hrs, 2010
Measure Value (anomaly) Month cumul. Record High Record Low
Temperature Range 1.8 °C (-2.8) 4.2 °C (-0.3) 10.2 °C (+5.6), 2014 1.1 °C (-3.5), 2010
Humidity Range 14% 16% 43%, 2013 11%, 2010
Pressure Range 4 hPa 12 hPa 22 hPa, 2017 4 hPa, 2018
Measure Value [% of max] Month cumul. Record High Record Low
Sun Hours 0 [0%]13 hrs (78%) [15%] 3 [41%], 2014 0 [0%], 2009
Wet Hours 2
[Mean rain rate: 0.3 mm/h]
19 hrs (73%) [6.6%] 10, 2011 , 2009
Cloud Cover Overcast
Events None
Comments overnight 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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