Daily Report for 18th February 2017

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Measure Value (anomaly) Time Month cumul. Record High Record Low
Minimum Temperature 6.2 °C (+4.2) 23:52 4.2 °C (+2.1) 6.2 °C (+4.2), 2009 -0.8 °C (-2.8), 2010
Maximum Temperature 11.3 °C (+3.8) 16:47 8.3 °C (+1.1) 11.3 °C (+3.8), 2017 4.8 °C (-2.7), 2010
Mean Temperature 8.1 °C (+4.0) 6.2 °C (+1.6) 8.4 °C, 2014 2.1 °C, 2010
Minimum Humidity 67% 18:48 71% 88%, 2010 51%, 2016
Maximum Humidity 84% 06:59 85% 98%, 2010 81%, 2015
Mean Humidity 78% 80% 96%, 2010 71%, 2015
Minimum Pressure 1022 hPa 20:38 1013 hPa 1031 hPa, 2015 986 hPa, 2010
Maximum Pressure 1027 hPa 09:17 1020 hPa 1042 hPa, 2015 992 hPa, 2010
Mean Pressure 1024 hPa 1016 hPa 1036 hPa, 2015 989 hPa, 2010
Mean Wind Speed 4.3 mph (-0.8) 4.2 mph (-0.9) 7.9 mph, 2012 2.6 mph, 2010
Maximum Wind Speed 8.8 mph 03:31 10.6 mph 20.4 mph, 2012 8.8 mph, 2017
Maximum Gust 12.6 mph 02:00 16.3 mph 32.0 mph, 2012 10.9 mph, 2010
Mean Wind Direction SW
Rainfall 0.0 mm 17.3 mm (67%) 9.0 mm, 2010
Maximum Hourly Rain n/a 4.3, 2014
Maximum 10-min Rain n/a 2.1, 2014
Maximum Rain Rate n/a 60, 2014
Minimum Dew Point 2.2 °C 22:58 0.9 °C 4.8 °C, 2014 -4.9 °C, 2016
Maximum Dew Point 6.7 °C 14:55 4.8 °C 8.5 °C, 2014 2.2 °C, 2015
Mean Dew Point 4.4 °C 2.9 °C 6.8 °C, 2014 -0.1 °C, 2016
Measure Value Time Month cumul. Record High Record Low
Night Minimum (21-09) * 6.4 °C * 01:07 4.5 °C 8.4 °C, 2012 -0.8 °C, 2010
Day Maximum (09-21) 11.3 °C 16:47 8.2 °C 11.3 °C, 2017 4.8 °C, 2010
Max 10m Temp Rise 0.2 °C 10:59 0.3 °C 1.3 °C, 2009 0.2 °C, 2017
Max 1hr Temp Rise 0.9 °C 10:59 1.1 °C 2.5 °C, 2015 0.9 °C, 2014
Max 1hr Hum Rise 4% 22:19 4% 14%, 2012 2%, 2010
Max 10m Temp Fall 0.3 °C 18:40 0.3 °C 1.7 °C, 2012 0.2 °C, 2010
Max 1hr Temp Fall 1.1 °C 19:28 0.9 °C 3.6 °C, 2012 0.7 °C, 2010
Max 1hr Hum Fall 5% 16:50 6% 13%, 2016 1%, 2010
Max 10m Wind Speed 6.9 mph 03:32 8.2 mph 13.7 mph, 2012 5.7 mph, 2010
Minimum Feels-like 2.9 °C 03:27 0.9 °C 2.9 °C, 2017 -3.6 °C, 2010
Maximum Feels-like 11.3 °C 16:46 8.2 °C 11.3 °C, 2017 4.8 °C, 2010
Mean Feels-like 6.6 °C 4.5 °C 6.9 °C, 2014 1.1 °C, 2010
Air-frost Hrs 0 hrs 0 hrs 8 hrs, 2010 0 hrs, 2009
Measure Value (anomaly) Month cumul. Record High Record Low
Temperature Range 5.1 °C (-0.4) 4.1 °C (-1.0) 8.4 °C (+2.9), 2012 3.3 °C (-2.2), 2009
Humidity Range 17% 14% 41%, 2016 10%, 2010
Pressure Range 5 hPa 7 hPa 12 hPa, 2012 1 hPa, 2009
Measure Value [% of max] Month cumul. Record High Record Low
Sun Hours 2.5 [28%]27 hrs (58%) [17%] 9 [99%], 2015 0.3 [3%], 2010
Wet Hours 054 hrs (162%) [13%] 6, 2010 , 2009
Cloud Cover am: Overcast
pm: Mostly Cloudy transitioned to Sunny
Events None
Comments -
Extra Comments mysterious false tips removed
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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