Daily Report for 12th February 2009

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Measure Value (anomaly) Time Month cumul. Record High Record Low
Minimum Temperature -1.5 °C (-3.5) 07:01 -1.2 °C (-3.4) 5.6 °C (+3.6), 2011 -5.7 °C (-7.7), 2012
Maximum Temperature 5.2 °C (-1.9) 13:29 3.9 °C (-3.3) 10.5 °C (+3.4), 2011 1.6 °C (-5.5), 2013
Mean Temperature 1.9 °C (-2.7) 1.4 °C (-3.3) 8.9 °C, 2011 0.3 °C, 2012
Minimum Humidity 58% 13:14 70% 80%, 2012 58%, 2009
Maximum Humidity 96% 22:40 95% 98%, 2013 76%, 2015
Mean Humidity 77% 82% 88%, 2010 73%, 2015
Minimum Pressure 1021 hPa 23:53 995 hPa 1032 hPa, 2012 985 hPa, 2014
Maximum Pressure 1026 hPa 11:38 1005 hPa 1036 hPa, 2012 1000 hPa, 2016
Mean Pressure 1024 hPa 1000 hPa 1034 hPa, 2012 993 hPa, 2014
Mean Wind Speed n/a (-5.1) 0.0 mph (-5.1) 10.2, 2014 1, 2012
Maximum Wind Speed n/a 0.0 mph 29.7, 2014 6.9, 2012
Maximum Gust n/a 0.0 mph 47.8, 2014 10.2, 2012
Mean Wind Direction n/a
Rainfall / Snow-melt approx. 0.5 mm 58.5 mm (341%) 6.7 mm, 2014
Maximum Hourly Rain 0.3 mm 17:26 3.7 mm, 2014
Maximum 10-min Rain n/a 17:19 1.2, 2014
Maximum Rain Rate n/a 17:19 9, 2014
Minimum Dew Point -4.7 °C 07:22 -3.8 °C 2.6 °C, 2011 -8.5 °C, 2012
Maximum Dew Point 0.7 °C 23:54 1.2 °C 9.7 °C, 2011 -0.1 °C, 2015
Mean Dew Point -2.5 °C -1.0 °C 6.5 °C, 2011 -2.5 °C, 2009
Measure Value Time Month cumul. Record High Record Low
Night Minimum (21-09) -1.5 °C -1.0 °C 8.7 °C, 2011 -5.7 °C, 2012
Day Maximum (09-21) 5.2 °C 3.9 °C 10.5 °C, 2011 1.6 °C, 2013
Max 10m Temp Rise 0.5 °C 12:00 0.3 °C 0.5 °C, 2009 0.1 °C, 2013
Max 1hr Temp Rise 1.7 °C 12:31 0.7 °C 1.9 °C, 2012 0.3 °C, 2013
Max 1hr Hum Rise 18% 17:26 5% 18%, 2009 1%, 2013
Max 10m Temp Fall 0.5 °C 17:12 0.4 °C 0.5 °C, 2009 0.1 °C, 2013
Max 1hr Temp Fall 1.8 °C 17:36 0.8 °C 1.8 °C, 2009 0.3 °C, 2013
Max 1hr Hum Fall 9% 12:49 5% 18%, 2014 3%, 2015
Max 10m Wind Speed n/a 0.0 mph 22.2, 2014 4.4, 2012
Minimum Feels-like n/a 0.0 °C 1.9, 2011 -8.6, 2012
Maximum Feels-like n/a 0.0 °C 11.7, 2011 1.6, 2013
Mean Feels-like n/a 0.0 °C 7.9, 2011 -1.9, 2013
Air-frost Hrs 9 hrs 5 hrs 10 hrs, 2012 0 hrs, 2010
Measure Value (anomaly) Month cumul. Record High Record Low
Temperature Range 6.7 °C (+1.6) 5.1 °C (+0.1) 10.1 °C (+5.0), 2012 1.1 °C (-4.0), 2015
Humidity Range 38% 25% 38%, 2009 8%, 2015
Pressure Range 5 hPa 10 hPa 18 hPa, 2014 2 hPa, 2011
Measure Value [% of max] Month cumul. Record High Record Low
Sun Hours 4.8 [55%]36 hrs (118%) [36%] 6 [69%], 2018 0 [0%], 2012
Wet Hours 0 hrs (0%) [0%] 3.5, 2014 , 2009
Cloud Cover not available
Events Snowfall: ~0.5 cm
Lying Snow (at 09z): trace amount
Air Frost
Comments 16-2100 Light/Moderate Snow Lying to <1cm
Extra Comments
Issues None known
Observer Absent? No
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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