Daily Report for 18th March 2018

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Measure Value (anomaly) Time Month cumul. Record High Record Low
Minimum Temperature -1.7 °C (-5.5) 18:08 3.1 °C (-0.1) 10.4 °C (+6.6), 2017 -1.7 °C (-5.5), 2018
Maximum Temperature 0.3 °C (-10.2) 23:40 8.6 °C (-1.2) 17.4 °C (+6.9), 2010 0.3 °C (-10.2), 2018
Mean Temperature -0.6 °C (-7.9) 5.7 °C (-0.6) 12.6 °C, 2017 -0.6 °C, 2018
Minimum Humidity 74% 14:03 70% 81%, 2013 39%, 2010
Maximum Humidity 91% 17:40 93% 98%, 2013 81%, 2014
Mean Humidity 81% 84% 93%, 2013 67%, 2014
Minimum Pressure 1006 hPa 03:21 993 hPa 1028 hPa, 2009 989 hPa, 2013
Maximum Pressure 1013 hPa 23:33 1001 hPa 1036 hPa, 2009 994 hPa, 2013
Mean Pressure 1010 hPa 997 hPa 1032 hPa, 2009 991 hPa, 2013
Mean Wind Speed 9.8 mph (+4.6) 6.6 mph (+1.4) 9.8 mph, 2018 1.2 mph, 2013
Maximum Wind Speed 18.8 mph 12:09 15.7 mph 18.8 mph, 2018 6.7 mph, 2013
Maximum Gust 31.1 mph 04:57 24.3 mph 31.1 mph, 2018 8.7 mph, 2013
Mean Wind Direction ENE
Rainfall / Snow-melt approx. 3.0 mm 35.8 mm (140%) 11.5 mm, 2013
Maximum Hourly Rain n/a 3.4, 2013
Maximum 10-min Rain n/a 1.2, 2013
Maximum Rain Rate n/a 17, 2013
Minimum Dew Point -4.7 °C 14:03 0.7 °C 6.5 °C, 2017 -4.7 °C, 2018
Maximum Dew Point -2.4 °C 03:51 5.4 °C 10.8 °C, 2017 -2.4 °C, 2018
Mean Dew Point -3.4 °C 3.1 °C 9.1 °C, 2017 -3.4 °C, 2018
Measure Value Time Month cumul. Record High Record Low
Night Minimum (21-09) -1.7 °C 21:38 3.5 °C 9.9 °C, 2017 -1.7 °C, 2018
Day Maximum (09-21) * -0.1 °C * 09:54 8.1 °C 17.4 °C, 2010 -0.1 °C, 2018
Max 10m Temp Rise 0.3 °C 03:43 0.4 °C 0.8 °C, 2010 0.2 °C, 2011
Max 1hr Temp Rise 0.9 °C 21:28 1.4 °C 3.3 °C, 2010 0.5 °C, 2011
Max 1hr Hum Rise 12% 16:51 8% 16%, 2010 3%, 2017
Max 10m Temp Fall 0.3 °C 16:32 0.4 °C 0.6 °C, 2012 0.2 °C, 2017
Max 1hr Temp Fall 1.0 °C 17:17 1.3 °C 1.6 °C, 2012 0.7 °C, 2017
Max 1hr Hum Fall 7% 21:08 9% 23%, 2010 4%, 2016
Max 10m Wind Speed 14.3 mph 14:38 12.3 mph 14.3 mph, 2018 5.6 mph, 2013
Minimum Feels-like -8.7 °C 18:26 -1.3 °C 10.4 °C, 2017 -8.7 °C, 2018
Maximum Feels-like -2.4 °C 22:44 7.7 °C 17.4 °C, 2010 -2.4 °C, 2018
Mean Feels-like -6.5 °C 2.9 °C 13.5 °C, 2017 -6.5 °C, 2018
Air-frost Hrs 19 hrs 5 hrs 19 hrs, 2018 0 hrs, 2009
Measure Value (anomaly) Month cumul. Record High Record Low
Temperature Range 2.0 °C (-4.7) 5.5 °C (-1.1) 12.6 °C (+5.9), 2009 2.0 °C (-4.7), 2018
Humidity Range 17% 23% 53%, 2009 14%, 2017
Pressure Range 7 hPa 8 hPa 17 hPa, 2012 4 hPa, 2016
Measure Value [% of max] Month cumul. Record High Record Low
Sun Hours 0 [0%]26 hrs (44%) [14%] 11.5 [107%], 2009 0 [0%], 2016
Wet Hours 6
[Mean rain rate: 0.5 mm/h]
61 hrs (200%) [14%] 6, 2013 , 2009
Cloud Cover Overcast
Events Snowfall: ~3 cm
Lying Snow (at 09z): ~5 cm
Air Frost
Comments overnight and eve Snow
Extra Comments amount highly uncertain
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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