Daily Report for 31st January 2017

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Measure Value (anomaly) Time Month cumul. Record High Record Low
Minimum Temperature 5.1 °C (+2.7) 09:04 1.3 °C (-1.1) 7.2 °C (+4.8), 2013 -3.2 °C (-5.6), 2010
Maximum Temperature 8.9 °C (+1.9) 23:53 7.0 °C (-0.0) 13.3 °C (+6.3), 2016 1.7 °C (-5.3), 2012
Mean Temperature 6.6 °C (+2.3) 4.1 °C (-0.6) 9.0 °C, 2016 -0.3 °C, 2010
Minimum Humidity 84% 09:06 69% 89%, 2014 48%, 2009
Maximum Humidity 86% 07:46 83% 98%, 2014 64%, 2009
Mean Humidity 85% 77% 96%, 2014 56%, 2009
Minimum Pressure 1010 hPa 23:37 1019 hPa 1025 hPa, 2011 979 hPa, 2015
Maximum Pressure 1014 hPa 10:31 1025 hPa 1029 hPa, 2012 993 hPa, 2015
Mean Pressure 1012 hPa 1022 hPa 1026 hPa, 2012 984 hPa, 2015
Mean Wind Speed 4.5 mph (-0.7) 3.3 mph (-1.9) 9.4 mph, 2013 2.7 mph, 2011
Maximum Wind Speed 8.7 mph 04:21 9.8 mph 23.5 mph, 2013 8.1 mph, 2010
Maximum Gust 13.6 mph 04:20 14.5 mph 33.4 mph, 2013 11.8 mph, 2011
Mean Wind Direction SSE
Rainfall 6.3 mm 68.7 mm (125%) 8.7 mm, 2014
Maximum Hourly Rain 1.9 mm 20:42 2.4 mm, 2014
Maximum 10-min Rain 0.6 mm 20:33 0.9 mm, 2014
Maximum Rain Rate 2.7 mm/h 20:28 18 mm/h, 2014
Minimum Dew Point 2.8 °C 09:04 -2.4 °C 2.8 °C, 2017 -5.1 °C, 2010
Maximum Dew Point 6.5 °C 23:53 3.3 °C 11.4 °C, 2016 -1.0 °C, 2010
Mean Dew Point 4.2 °C 0.4 °C 6.4 °C, 2016 -3.1 °C, 2010
Measure Value Time Month cumul. Record High Record Low
Night Minimum (21-09) 5.1 °C 08:47 2.1 °C 7.2 °C, 2013 -3.2 °C, 2010
Day Maximum (09-21) * 8.1 °C * 19:56 6.8 °C 13.3 °C, 2016 1.7 °C, 2012
Max 10m Temp Rise 0.2 °C 12:06 0.3 °C 0.9 °C, 2014 0.2 °C, 2011
Max 1hr Temp Rise 0.6 °C 12:57 1.3 °C 2.7 °C, 2014 0.6 °C, 2017
Max 1hr Hum Rise 1% 01:01 4% 8%, 2013 1%, 2017
Max 10m Temp Fall 0.1 °C 03:50 0.4 °C 1.2 °C, 2013 0.1 °C, 2017
Max 1hr Temp Fall 0.3 °C 05:26 1.3 °C 1.6 °C, 2013 0.3 °C, 2017
Max 1hr Hum Fall 1% 04:51 6% 16%, 2015 1%, 2017
Max 10m Wind Speed 6.7 mph 05:01 7.5 mph 16.1 mph, 2013 6.4 mph, 2010
Minimum Feels-like 1.0 °C 09:07 -2.0 °C 2.9 °C, 2013 -7.0 °C, 2010
Maximum Feels-like 7.9 °C 21:54 6.7 °C 15.3 °C, 2016 1.5 °C, 2012
Mean Feels-like 4.3 °C 2.4 °C 8.6 °C, 2016 -3.1 °C, 2010
Air-frost Hrs 0 hrs 3 hrs 13 hrs, 2010 0 hrs, 2013
Measure Value (anomaly) Month cumul. Record High Record Low
Temperature Range 3.8 °C (-0.8) 5.7 °C (+1.1) 9.0 °C (+4.4), 2016 2.8 °C (-1.8), 2013
Humidity Range 2% 15% 38%, 2015 2%, 2017
Pressure Range 4 hPa 7 hPa 21 hPa, 2014 1 hPa, 2009
Measure Value [% of max] Month cumul. Record High Record Low
Sun Hours 0 [0%]74 hrs (161%) [32%] 4.8 [59%], 2009 0 [0%], 2012
Wet Hours 6
[Mean rain rate: 1.1 mm/h]
82 hrs (122%) [11%] 8, 2014 , 2009
Cloud Cover Overcast
Events None
Comments o.night, 18- Rain
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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