Daily Report for 23rd January 2017

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Measure Value (anomaly) Time Month cumul. Record High Record Low
Minimum Temperature -2.3 °C (-4.6) 04:20 1.0 °C (-1.4) 5.3 °C (+3.0), 2011 -4.1 °C (-6.4), 2015
Maximum Temperature 4.7 °C (-2.3) 22:49 6.9 °C (-0.1) 10.7 °C (+3.7), 2016 2.3 °C (-4.7), 2013
Mean Temperature 1.6 °C (-3.4) 4.0 °C (-0.8) 7.9 °C, 2016 1.1 °C, 2015
Minimum Humidity 80% 00:42 66% 88%, 2010 49%, 2009
Maximum Humidity 85% 11:25 83% 98%, 2010 83%, 2012
Mean Humidity 83% 76% 95%, 2010 71%, 2009
Minimum Pressure 1025 hPa 12:57 1021 hPa 1033 hPa, 2011 967 hPa, 2009
Maximum Pressure 1027 hPa 05:51 1028 hPa 1035 hPa, 2011 985 hPa, 2009
Mean Pressure 1026 hPa 1024 hPa 1034 hPa, 2011 976 hPa, 2009
Mean Wind Speed 0.2 mph (-5.0) 3.3 mph (-1.9) 6.5 mph, 2011 0.2 mph, 2017
Maximum Wind Speed 3.7 mph 13:36 10.1 mph 14.3 mph, 2016 3.7 mph, 2017
Maximum Gust 4.2 mph 13:23 14.7 mph 21.0 mph, 2014 4.2 mph, 2017
Mean Wind Direction S
Rainfall 0.0 mm 48.0 mm (118%) 11.0 mm, 2009
Maximum Hourly Rain n/a 5, 2009
Maximum 10-min Rain n/a 0.9, 2014
Maximum Rain Rate n/a 6, 2014
Minimum Dew Point -5.1 °C 02:50 -2.8 °C 3.9 °C, 2011 -5.6 °C, 2015
Maximum Dew Point 1.9 °C 22:46 2.9 °C 9.2 °C, 2016 -0.5 °C, 2013
Mean Dew Point -1.0 °C 0.0 °C 6.5 °C, 2016 -1.3 °C, 2013
Measure Value Time Month cumul. Record High Record Low
Night Minimum (21-09) -2.3 °C 04:20 1.9 °C 5.7 °C, 2010 -4.1 °C, 2015
Day Maximum (09-21) * 4.3 °C * 20:31 6.8 °C 10.7 °C, 2016 2.0 °C, 2013
Max 10m Temp Rise 0.4 °C 05:00 0.3 °C 0.5 °C, 2015 0.1 °C, 2010
Max 1hr Temp Rise 1.2 °C 05:40 1.3 °C 2.0 °C, 2015 0.1 °C, 2010
Max 1hr Hum Rise 2% 02:16 5% 6%, 2013 2%, 2010
Max 10m Temp Fall 0.2 °C 00:19 0.4 °C 0.4 °C, 2016 0.1 °C, 2011
Max 1hr Temp Fall 0.6 °C 01:01 1.4 °C 1.3 °C, 2016 0.4 °C, 2011
Max 1hr Hum Fall 2% 14:29 7% 21%, 2014 2%, 2017
Max 10m Wind Speed 2.2 mph 18:41 7.6 mph 10.4 mph, 2013 2.2 mph, 2017
Minimum Feels-like -4.2 °C 04:19 -2.2 °C 2.4 °C, 2016 -6.2 °C, 2015
Maximum Feels-like 4.7 °C 22:26 6.6 °C 11.6 °C, 2016 1.9 °C, 2013
Mean Feels-like 1.5 °C 2.3 °C 6.0 °C, 2016 -2.3 °C, 2013
Air-frost Hrs 9 hrs 3 hrs 11 hrs, 2015 0 hrs, 2010
Measure Value (anomaly) Month cumul. Record High Record Low
Temperature Range 7.0 °C (+2.3) 5.9 °C (+1.3) 11.4 °C (+6.7), 2015 1.4 °C (-3.3), 2013
Humidity Range 5% 16% 44%, 2009 5%, 2017
Pressure Range 2 hPa 7 hPa 18 hPa, 2009 2 hPa, 2011
Measure Value [% of max] Month cumul. Record High Record Low
Sun Hours 0.3 [4%]64 hrs (191%) [38%] 6 [77%], 2015 0 [0%], 2011
Wet Hours 064 hrs (128%) [12%] 2, 2015 , 2009
Cloud Cover am: Overcast
pm: Mostly Cloudy
Events Dense Fog
Air Frost
Comments Dense fog -10
Extra Comments fog tip removed
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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