Daily Report for 4th February 2017

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Measure Value (anomaly) Time Month cumul. Record High Record Low
Minimum Temperature 2.2 °C (-0.1) 06:34 6.7 °C (+4.3) 9.5 °C (+7.2), 2011 -5.1 °C (-7.4), 2012
Maximum Temperature 8.2 °C (+1.0) 15:13 10.5 °C (+3.3) 13.3 °C (+6.1), 2016 1.4 °C (-5.8), 2012
Mean Temperature 5.3 °C (+0.4) 9.0 °C (+3.8) 11.0 °C, 2011 -1.5 °C, 2012
Minimum Humidity 73% 16:02 74% 82%, 2010 47%, 2013
Maximum Humidity 86% 10:51 84% 98%, 2010 85%, 2011
Mean Humidity 79% 80% 93%, 2010 68%, 2013
Minimum Pressure 994 hPa 00:00 994 hPa 1024 hPa, 2012 987 hPa, 2014
Maximum Pressure 1000 hPa 21:03 1002 hPa 1039 hPa, 2012 998 hPa, 2009
Mean Pressure 997 hPa 998 hPa 1032 hPa, 2012 996 hPa, 2009
Mean Wind Speed 1.7 mph (-3.4) 5.8 mph (+0.7) 11.8 mph, 2011 1.7 mph, 2017
Maximum Wind Speed 10.2 mph 00:39 14.5 mph 25.5 mph, 2011 9.4 mph, 2010
Maximum Gust 14.7 mph 00:27 22.3 mph 35.6 mph, 2011 14.7 mph, 2010
Mean Wind Direction SW
Rainfall 0.7 mm 4.9 mm (86%) 8.0 mm, 2012
Maximum Hourly Rain 0.4 mm 08:50 1.5 mm, 2014
Maximum 10-min Rain 0.3 mm 11:21 0.4 mm, 2014
Maximum Rain Rate 0.4 mm/h 08:50 1.8 mm/h, 2014
Minimum Dew Point -0.4 °C 06:21 3.6 °C 5.5 °C, 2011 -8.7 °C, 2012
Maximum Dew Point 4.9 °C 13:37 7.3 °C 9.4 °C, 2016 -0.7 °C, 2012
Mean Dew Point 2.0 °C 5.7 °C 7.0 °C, 2011 -5.3 °C, 2012
Measure Value Time Month cumul. Record High Record Low
Night Minimum (21-09) 2.2 °C 06:34 7.1 °C 8.6 °C, 2013 -5.1 °C, 2012
Day Maximum (09-21) 8.2 °C 15:13 10.5 °C 13.3 °C, 2016 1.4 °C, 2012
Max 10m Temp Rise 0.3 °C 18:28 0.2 °C 1.1 °C, 2009 0.2 °C, 2010
Max 1hr Temp Rise 1.1 °C 10:23 0.9 °C 2.7 °C, 2012 0.6 °C, 2011
Max 1hr Hum Rise 2% 19:08 4% 10%, 2009 2%, 2010
Max 10m Temp Fall 0.3 °C 03:00 0.3 °C 1.5 °C, 2009 0.1 °C, 2011
Max 1hr Temp Fall 1.2 °C 17:52 1.0 °C 1.9 °C, 2009 0.4 °C, 2011
Max 1hr Hum Fall 6% 14:23 4% 29%, 2013 4%, 2012
Max 10m Wind Speed 8.3 mph 00:53 11.6 mph 16.2 mph, 2011 6.6 mph, 2010
Minimum Feels-like 0.6 °C 04:03 4.4 °C 5.3 °C, 2011 -7.4 °C, 2012
Maximum Feels-like 8.2 °C 15:02 10.7 °C 14.0 °C, 2016 1.1 °C, 2012
Mean Feels-like 4.5 °C 8.4 °C 10.9 °C, 2011 -3.6 °C, 2012
Air-frost Hrs 0 hrs 0 hrs 15 hrs, 2012 0 hrs, 2010
Measure Value (anomaly) Month cumul. Record High Record Low
Temperature Range 6.0 °C (+1.2) 3.8 °C (-1.0) 9.1 °C (+4.3), 2016 2.1 °C (-2.7), 2010
Humidity Range 13% 10% 42%, 2013 13%, 2017
Pressure Range 6 hPa 8 hPa 15 hPa, 2012 2 hPa, 2011
Measure Value [% of max] Month cumul. Record High Record Low
Sun Hours 2.5 [30%]4.6 hrs (46%) [14%] 6.7 [81%], 2009 0.1 [1%], 2010
Wet Hours 2
[Mean rain rate: 0.3 mm/h]
11 hrs (148%) [11%] 5.5, 2012 , 2009
Cloud Cover am: Overcast
pm: Hazy transitioned to Mostly Sunny
Events None
Comments am Showers
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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