Daily Report for 15th January 2017

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Measure Value (anomaly) Time Month cumul. Record High Record Low
Minimum Temperature 0.0 °C (-2.4) 00:32 2.2 °C (-0.2) 7.8 °C (+5.4), 2011 -2.6 °C (-5.0), 2013
Maximum Temperature 8.8 °C (+1.8) 18:08 7.7 °C (+0.7) 11.2 °C (+4.2), 2011 1.6 °C (-5.4), 2013
Mean Temperature 5.5 °C (-0.3) 5.2 °C (+0.3) 10.3 °C, 2011 0.6 °C, 2013
Minimum Humidity 82% 00:23 70% 98%, 2010 53%, 2015
Maximum Humidity 87% 13:27 83% 98%, 2010 83%, 2016
Mean Humidity 84% 78% 98%, 2010 74%, 2015
Minimum Pressure 1019 hPa 13:12 1017 hPa 1024 hPa, 2012 987 hPa, 2015
Maximum Pressure 1024 hPa 22:52 1025 hPa 1027 hPa, 2012 996 hPa, 2015
Mean Pressure 1022 hPa 1021 hPa 1026 hPa, 2012 990 hPa, 2015
Mean Wind Speed 3.2 mph (-2.0) 4.5 mph (-0.7) 10.8 mph, 2015 3.1 mph, 2012
Maximum Wind Speed 12.3 mph 13:36 12.4 mph 24.6 mph, 2015 9.7 mph, 2010
Maximum Gust 16.8 mph 11:41 18.2 mph 40.9 mph, 2015 14.3 mph, 2010
Mean Wind Direction NW
Rainfall 8.2 mm 43.5 mm (163%) 8.2 mm, 2017
Maximum Hourly Rain 1.5 mm 08:53 2.8 mm, 2015
Maximum 10-min Rain 0.5 mm 10:45 1.4 mm, 2015
Maximum Rain Rate 2.2 mm/h 08:18 36 mm/h, 2015
Minimum Dew Point -2.7 °C 00:32 -1.5 °C 5.6 °C, 2011 -4.2 °C, 2013
Maximum Dew Point 6.4 °C 17:57 4.2 °C 10.2 °C, 2014 -0.5 °C, 2016
Mean Dew Point 3.1 °C 1.5 °C 8.6 °C, 2014 -1.7 °C, 2016
Measure Value Time Month cumul. Record High Record Low
Night Minimum (21-09) 0.0 °C 00:32 3.4 °C 7.8 °C, 2011 -0.1 °C, 2012
Day Maximum (09-21) 8.8 °C 18:08 7.7 °C 11.2 °C, 2011 1.6 °C, 2013
Max 10m Temp Rise 0.5 °C 00:57 0.3 °C 0.5 °C, 2012 0.2 °C, 2011
Max 1hr Temp Rise 1.6 °C 01:42 1.2 °C 1.8 °C, 2012 0.5 °C, 2015
Max 1hr Hum Rise 3% 01:34 4% 8%, 2016 0%, 2010
Max 10m Temp Fall 0.2 °C 20:00 0.5 °C 0.5 °C, 2013 0.2 °C, 2010
Max 1hr Temp Fall 0.5 °C 19:54 1.4 °C 1.5 °C, 2013 0.4 °C, 2011
Max 1hr Hum Fall 2% 19:28 6% 18%, 2012 0%, 2010
Max 10m Wind Speed 9.9 mph 12:48 9.5 mph 18.4 mph, 2015 5.8 mph, 2010
Minimum Feels-like -2.3 °C 00:47 -1.7 °C 4.3 °C, 2011 -4.6 °C, 2013
Maximum Feels-like 8.8 °C 17:46 7.3 °C 12.3 °C, 2014 1.5 °C, 2013
Mean Feels-like 3.9 °C 3.0 °C 9.9 °C, 2011 -1.8 °C, 2013
Air-frost Hrs 0 hrs 1 hrs 5 hrs, 2013 0 hrs, 2010
Measure Value (anomaly) Month cumul. Record High Record Low
Temperature Range 8.8 °C (+4.2) 5.5 °C (+0.9) 8.8 °C (+4.2), 2017 2.0 °C (-2.6), 2009
Humidity Range 5% 14% 40%, 2015 0%, 2010
Pressure Range 5 hPa 8 hPa 13 hPa, 2016 2 hPa, 2009
Measure Value [% of max] Month cumul. Record High Record Low
Sun Hours 0 [0%]21 hrs (98%) [19%] 7.1 [95%], 2012 0 [0%], 2010
Wet Hours 13
[Mean rain rate: 0.6 mm/h]
56 hrs (171%) [15%] 13, 2017 , 2009
Cloud Cover Overcast
Events None
Comments 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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