Daily Report for 30th January 2015

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Measure Value (anomaly) Time Month cumul. Record High Record Low
Minimum Temperature 1.3 °C (-1.1) 09:09 2.3 °C (-0.1) 7.2 °C (+4.8), 2013 -1.9 °C (-4.3), 2010
Maximum Temperature 5.7 °C (-1.3) 16:18 8.4 °C (+1.4) 12.2 °C (+5.2), 2013 3.0 °C (-4.0), 2010
Mean Temperature 3.2 °C (-1.2) 5.5 °C (+0.6) 9.9 °C, 2013 0.1 °C, 2010
Minimum Humidity 71% 13:33 68% 96%, 2014 50%, 2009
Maximum Humidity 94% 09:10 92% 98%, 2014 79%, 2010
Mean Humidity 81% 81% 98%, 2014 68%, 2009
Minimum Pressure 974 hPa 06:08 1009 hPa 1023 hPa, 2012 974 hPa, 2015
Maximum Pressure 981 hPa 17:10 1020 hPa 1028 hPa, 2012 981 hPa, 2015
Mean Pressure 978 hPa 1014 hPa 1026 hPa, 2012 978 hPa, 2015
Mean Wind Speed 5.3 mph (+0.1) 6.2 mph (+1.0) 10.1 mph, 2013 3.3 mph, 2012
Maximum Wind Speed 12.0 mph 12:14 16.1 mph 23.9 mph, 2013 6.9 mph, 2012
Maximum Gust 15.2 mph 00:37 23.5 mph 35.5 mph, 2013 8.7 mph, 2012
Mean Wind Direction W
Rainfall 1.8 mm 72.7 mm (137%) 5.7 mm, 2013
Maximum Hourly Rain 1.3 mm 05:30 2.3 mm, 2013
Maximum 10-min Rain 0.4 mm 05:21 1.5 mm, 2013
Maximum Rain Rate 1.8 mm/h 05:36 30 mm/h, 2013
Minimum Dew Point -1.6 °C 23:48 -0.9 °C 1.9 °C, 2014 -5.4 °C, 2010
Maximum Dew Point 1.7 °C 16:01 6.2 °C 11.6 °C, 2013 -1.9 °C, 2010
Mean Dew Point 0.2 °C 2.4 °C 5.7 °C, 2013 -4.6 °C, 2010
Measure Value Time Month cumul. Record High Record Low
Night Minimum (21-09) 1.3 °C 08:52 3.7 °C 8.8 °C, 2013 -1.9 °C, 2010
Day Maximum (09-21) 5.7 °C 16:18 7.8 °C 11.1 °C, 2013 3.0 °C, 2010
Max 10m Temp Rise 0.4 °C 11:51 0.3 °C 0.4 °C, 2015 0.2 °C, 2010
Max 1hr Temp Rise 1.9 °C 12:23 1.1 °C 1.9 °C, 2015 0.7 °C, 2013
Max 1hr Hum Rise 5% 05:21 6% 9%, 2012 2%, 2014
Max 10m Temp Fall 0.3 °C 07:22 0.4 °C 0.6 °C, 2013 0.2 °C, 2010
Max 1hr Temp Fall 1.1 °C 08:02 1.2 °C 2.0 °C, 2013 0.7 °C, 2010
Max 1hr Hum Fall 10% 12:35 9% 16%, 2013 2%, 2014
Max 10m Wind Speed 10.6 mph 12:23 11.7 mph 16.9 mph, 2013 5.6 mph, 2012
Minimum Feels-like -4.1 °C 08:50 -1.6 °C 2.9 °C, 2013 -7.0 °C, 2010
Maximum Feels-like 5.5 °C 15:54 8.4 °C 14.2 °C, 2013 0.4 °C, 2010
Mean Feels-like 0.2 °C 3.4 °C 8.6 °C, 2013 -3.6 °C, 2010
Air-frost Hrs 0 hrs 1 hrs 15 hrs, 2010 0 hrs, 2013
Measure Value (anomaly) Month cumul. Record High Record Low
Temperature Range 4.4 °C (-0.2) 6.1 °C (+1.5) 5.4 °C (+0.8), 2009 3.6 °C (-1.0), 2014
Humidity Range 23% 24% 46%, 2013 2%, 2014
Pressure Range 7 hPa 11 hPa 18 hPa, 2013 3 hPa, 2011
Measure Value [% of max] Month cumul. Record High Record Low
Sun Hours 2.5 [31%]76 hrs (169%) [33%] 7 [87%], 2010 0 [0%], 2014
Wet Hours 3
[Mean rain rate: 0.6 mm/h]
66 hrs (102%) [9.2%] 8, 2014 , 2009
Cloud Cover am: Mostly Cloudy transitioned to Mostly Sunny
pm: Mostly Cloudy
Events None
Comments o.night Rain
Extra Comments possibleibly Snow but was dark
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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