Daily Report for 27th February 2017

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Measure Value (anomaly) Time Month cumul. Record High Record Low
Minimum Temperature 3.4 °C (+0.8) 23:55 5.1 °C (+2.9) 6.5 °C (+3.9), 2009 1.1 °C (-1.5), 2015
Maximum Temperature 9.5 °C (+0.8) 10:12 9.6 °C (+2.0) 14.0 °C (+5.3), 2009 5.6 °C (-3.1), 2016
Mean Temperature 7.1 °C (+0.8) 7.3 °C (+2.5) 10.2 °C, 2009 3.1 °C, 2013
Minimum Humidity 75% 12:40 69% 76%, 2010 47%, 2016
Maximum Humidity 86% 00:57 85% 98%, 2013 74%, 2016
Mean Humidity 81% 78% 89%, 2010 61%, 2016
Minimum Pressure 982 hPa 15:44 1010 hPa 1032 hPa, 2013 982 hPa, 2017
Maximum Pressure 999 hPa 00:15 1018 hPa 1035 hPa, 2013 999 hPa, 2017
Mean Pressure 989 hPa 1014 hPa 1034 hPa, 2013 989 hPa, 2017
Mean Wind Speed 7.6 mph (+2.5) 5.4 mph (+0.3) 7.6 mph, 2017 4.0 mph, 2010
Maximum Wind Speed 18.9 mph 15:40 12.8 mph 18.9 mph, 2017 10.7 mph, 2012
Maximum Gust 27.3 mph 15:39 19.9 mph 27.3 mph, 2017 15.4 mph, 2012
Mean Wind Direction SW
Rainfall 9.1 mm 32.9 mm (85%) 9.1 mm, 2017
Maximum Hourly Rain 5.6 mm 13:43 5.6 mm, 2017
Maximum 10-min Rain 2.0 mm 13:14 2.0 mm, 2017
Maximum Rain Rate 30 mm/h 13:06 30 mm/h, 2010
Minimum Dew Point 0.1 °C 23:55 1.5 °C 3.7 °C, 2009 -5.1 °C, 2016
Maximum Dew Point 6.9 °C 01:34 5.8 °C 7.9 °C, 2010 -1.0 °C, 2016
Mean Dew Point 4.0 °C 3.7 °C 5.9 °C, 2012 -3.1 °C, 2016
Measure Value Time Month cumul. Record High Record Low
Night Minimum (21-09) * 8.2 °C * 05:14 5.7 °C 8.2 °C, 2017 1.1 °C, 2015
Day Maximum (09-21) 9.5 °C 10:12 9.5 °C 14.0 °C, 2009 5.6 °C, 2016
Max 10m Temp Rise 0.3 °C 11:36 0.3 °C 0.9 °C, 2010 0.3 °C, 2012
Max 1hr Temp Rise 0.8 °C 12:06 1.1 °C 1.9 °C, 2015 0.8 °C, 2017
Max 1hr Hum Rise 4% 13:40 4% 9%, 2014 4%, 2016
Max 10m Temp Fall 0.7 °C 10:35 0.3 °C 0.9 °C, 2010 0.2 °C, 2012
Max 1hr Temp Fall 1.5 °C 11:06 1.0 °C 1.6 °C, 2010 0.5 °C, 2012
Max 1hr Hum Fall 6% 12:40 6% 15%, 2014 4%, 2012
Max 10m Wind Speed 14.4 mph 15:46 9.9 mph 14.4 mph, 2017 7.6 mph, 2012
Minimum Feels-like -0.4 °C 23:41 2.2 °C 3.2 °C, 2012 -3.9 °C, 2013
Maximum Feels-like 7.7 °C 09:35 9.6 °C 11.2 °C, 2012 4.1 °C, 2016
Mean Feels-like 4.0 °C 5.9 °C 8.2 °C, 2012 -0.7 °C, 2013
Air-frost Hrs 0 hrs 0 hrs 0 hrs, 2009 0 hrs, 2009
Measure Value (anomaly) Month cumul. Record High Record Low
Temperature Range 6.1 °C (+0.0) 4.4 °C (-0.9) 7.5 °C (+1.4), 2009 3.2 °C (-2.9), 2016
Humidity Range 11% 16% 48%, 2014 11%, 2017
Pressure Range 17 hPa 7 hPa 17 hPa, 2017 3 hPa, 2009
Measure Value [% of max] Month cumul. Record High Record Low
Sun Hours 0.3 [3%]38 hrs (52%) [16%] 8 [83%], 2015 0 [0%], 2012
Wet Hours 5
[Mean rain rate: 1.8 mm/h]
66 hrs (132%) [10%] 5, 2017 , 2009
Cloud Cover Overcast
Events None
Comments Rain/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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