Daily Report for 12th January 2019

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Measure Value (anomaly) Time Month cumul. Record High Record Low
Minimum Temperature 7.1 °C (+4.7) 00:21 3.8 °C (+1.3) 7.9 °C (+5.5), 2015 -0.9 °C (-3.3), 2014
Maximum Temperature 10.3 °C (+3.3) 23:53 7.5 °C (+0.4) 12.5 °C (+5.5), 2012 1.5 °C (-5.5), 2010
Mean Temperature 8.7 °C (+4.0) 5.8 °C (+0.9) 10.2 °C, 2015 0.7 °C, 2010
Minimum Humidity 77% 15:36 74% 87%, 2010 55%, 2013
Maximum Humidity 89% 12:17 87% 98%, 2010 87%, 2017
Mean Humidity 82% 82% 94%, 2014 75%, 2017
Minimum Pressure 1018 hPa 23:30 1033 hPa 1025 hPa, 2012 989 hPa, 2016
Maximum Pressure 1030 hPa 00:00 1037 hPa 1032 hPa, 2012 1008 hPa, 2016
Mean Pressure 1023 hPa 1035 hPa 1028 hPa, 2012 997 hPa, 2016
Mean Wind Speed 6.6 mph (+1.4) 3.8 mph (-1.4) 10.0 mph, 2015 3.2 mph, 2018
Maximum Wind Speed 14.9 mph 14:37 11.0 mph 22.5 mph, 2015 11.5 mph, 2018
Maximum Gust 21.9 mph 15:05 16.4 mph 30.6 mph, 2015 16.1 mph, 2010
Mean Wind Direction W
Rainfall 0.2 mm 0.3 mm (1%) 15.9 mm, 2017
Maximum Hourly Rain 0.2 mm 4.6 mm, 2017
Maximum 10-min Rain 0.2 mm 1.0 mm, 2017
Maximum Rain Rate n/a 18, 2017
Minimum Dew Point 4.0 °C 02:44 1.0 °C 4.0 °C, 2019 -4.1 °C, 2013
Maximum Dew Point 7.5 °C 12:37 4.5 °C 11.4 °C, 2011 0.7 °C, 2010
Mean Dew Point 5.9 °C 2.8 °C 8.1 °C, 2011 -0.3 °C, 2010
Measure Value Time Month cumul. Record High Record Low
Night Minimum (21-09) * 6.9 °C * 22:02 4.3 °C 7.7 °C, 2009 -0.9 °C, 2014
Day Maximum (09-21) * 9.8 °C * 14:21 7.2 °C 12.5 °C, 2012 1.5 °C, 2010
Max 10m Temp Rise 0.3 °C 13:06 0.3 °C 0.6 °C, 2014 0.1 °C, 2010
Max 1hr Temp Rise 0.9 °C 23:08 0.9 °C 2.7 °C, 2014 0.4 °C, 2010
Max 1hr Hum Rise 6% 20:07 4% 11%, 2015 2%, 2010
Max 10m Temp Fall 0.2 °C 16:01 0.3 °C 0.8 °C, 2017 0.1 °C, 2010
Max 1hr Temp Fall 0.5 °C 16:38 0.9 °C 3.1 °C, 2017 0.3 °C, 2010
Max 1hr Hum Fall 7% 13:29 6% 16%, 2013 2%, 2011
Max 10m Wind Speed 10.0 mph 11:25 7.5 mph 14.7 mph, 2015 7.7 mph, 2011
Minimum Feels-like 3.9 °C 03:42 0.4 °C 3.9 °C, 2019 -4.9 °C, 2017
Maximum Feels-like 10.5 °C 23:48 7.3 °C 14.0 °C, 2011 1.4 °C, 2010
Mean Feels-like 6.2 °C 4.0 °C 9.4 °C, 2015 -1.8 °C, 2010
Air-frost Hrs 0 hrs 0 hrs 9 hrs, 2014 0 hrs, 2010
Measure Value (anomaly) Month cumul. Record High Record Low
Temperature Range 3.2 °C (-1.4) 3.7 °C (-0.9) 10.2 °C (+5.6), 2014 1.1 °C (-3.5), 2010
Humidity Range 12% 13% 43%, 2013 11%, 2010
Pressure Range 11 hPa 4 hPa 22 hPa, 2017 4 hPa, 2018
Measure Value [% of max] Month cumul. Record High Record Low
Sun Hours 0 [0%]19 hrs (110%) [22%] 3 [41%], 2014 0 [0%], 2009
Wet Hours 11.3 hrs (5%) [0.5%] 10, 2011 , 2009
Cloud Cover Overcast
Events None
Comments eve Light Rain
Extra Comments
Issues None known
Observer Absent? Yes - observations may be unreliable
Notes
Times of extremes are computed using the midpoint of the longest continuous period at that extreme value.
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 (entered with a delay of 1-10 days); their reliablity is questionable and they are provided for interest only.
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