Daily Report for 4th January 2017

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Measure Value (anomaly) Time Month cumul. Record High Record Low
Minimum Temperature 1.6 °C (-0.9) 23:05 1.2 °C (-1.3) 8.2 °C (+5.7), 2013 -4.2 °C (-6.7), 2010
Maximum Temperature 7.8 °C (+0.8) 11:21 6.9 °C (-0.2) 10.7 °C (+3.7), 2013 0.6 °C (-6.4), 2009
Mean Temperature 4.5 °C (-0.1) 4.1 °C (-0.7) 9.6 °C, 2013 -2.4 °C, 2010
Minimum Humidity 56% 15:06 69% 96%, 2015 51%, 2009
Maximum Humidity 79% 09:44 81% 98%, 2015 72%, 2009
Mean Humidity 71% 77% 97%, 2015 62%, 2009
Minimum Pressure 1021 hPa 00:02 1020 hPa 1036 hPa, 2013 982 hPa, 2016
Maximum Pressure 1028 hPa 21:11 1027 hPa 1038 hPa, 2013 984 hPa, 2016
Mean Pressure 1024 hPa 1024 hPa 1037 hPa, 2013 982 hPa, 2016
Mean Wind Speed 4.8 mph (-0.4) 4.6 mph (-0.6) 9.3 mph, 2012 2.4 mph, 2010
Maximum Wind Speed 13.1 mph 07:00 11.9 mph 25.3 mph, 2012 6.2 mph, 2010
Maximum Gust 18.9 mph 01:50 18.6 mph 34.6 mph, 2012 8.1 mph, 2010
Mean Wind Direction NNW
Rainfall trace 7.5 mm (106%) 6.9, 2014
Maximum Hourly Rain n/a 1.9, 2014
Maximum 10-min Rain n/a 0.7, 2014
Maximum Rain Rate n/a 4.5, 2014
Minimum Dew Point -4.1 °C 22:11 -2.6 °C 5.8 °C, 2013 -5.4 °C, 2010
Maximum Dew Point 4.3 °C 11:11 3.4 °C 9.1 °C, 2013 -1.1 °C, 2010
Mean Dew Point -0.3 °C 0.4 °C 7.2 °C, 2013 -4.0 °C, 2010
Measure Value Time Month cumul. Record High Record Low
Night Minimum (21-09) * 3.3 °C * 01:35 2.9 °C 9.3 °C, 2013 -4.2 °C, 2010
Day Maximum (09-21) 7.8 °C 11:21 6.9 °C 10.1 °C, 2013 0.6 °C, 2009
Max 10m Temp Rise 0.3 °C 13:09 0.2 °C 0.7 °C, 2010 0.1 °C, 2013
Max 1hr Temp Rise 0.8 °C 06:45 0.9 °C 2.2 °C, 2010 0.4 °C, 2013
Max 1hr Hum Rise 5% 17:00 4% 7%, 2012 1%, 2015
Max 10m Temp Fall 0.8 °C 11:34 0.8 °C 0.8 °C, 2017 0.2 °C, 2011
Max 1hr Temp Fall 1.8 °C 12:21 1.9 °C 1.8 °C, 2017 0.5 °C, 2012
Max 1hr Hum Fall 12% 13:28 6% 12%, 2017 1%, 2015
Max 10m Wind Speed 10.0 mph 07:01 9.1 mph 15.0 mph, 2012 4.3 mph, 2010
Minimum Feels-like -2.2 °C 01:50 -2.8 °C 5.0 °C, 2013 -7.7 °C, 2010
Maximum Feels-like 7.0 °C 11:33 6.1 °C 11.6 °C, 2013 1.3 °C, 2010
Mean Feels-like 1.9 °C 1.4 °C 8.3 °C, 2013 -3.5 °C, 2010
Air-frost Hrs 0 hrs 2 hrs 20 hrs, 2010 0 hrs, 2011
Measure Value (anomaly) Month cumul. Record High Record Low
Temperature Range 6.2 °C (+1.7) 5.6 °C (+1.1) 6.2 °C (+1.7), 2017 2.4 °C (-2.1), 2011
Humidity Range 23% 12% 28%, 2012 2%, 2015
Pressure Range 7 hPa 7 hPa 18 hPa, 2012 2 hPa, 2013
Measure Value [% of max] Month cumul. Record High Record Low
Sun Hours 0.3 [4%]7.8 hrs (139%) [27%] 7 [98%], 2010 0 [0%], 2014
Wet Hours 0.59.5 hrs (110%) [9.9%] 8, 2014 , 2009
Cloud Cover am: Mostly Cloudy
pm: Partly Cloudy
Events None
Comments 1130-1230 Showers
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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