Daily Report for 16th February 2016

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Measure Value (anomaly) Time Month cumul. Record High Record Low
Minimum Temperature -2.1 °C (-3.9) 06:54 3.7 °C (+1.5) 7.0 °C (+5.2), 2017 -2.1 °C (-3.9), 2016
Maximum Temperature 7.0 °C (-0.4) 14:06 8.6 °C (+1.4) 11.1 °C (+3.7), 2009 4.4 °C (-3.0), 2010
Mean Temperature 3.0 °C (-2.1) 6.4 °C (+1.5) 8.9 °C, 2017 3.0 °C, 2016
Minimum Humidity 52% 16:27 60% 94%, 2010 48%, 2013
Maximum Humidity 90% 08:52 87% 98%, 2010 83%, 2012
Mean Humidity 75% 76% 96%, 2010 66%, 2013
Minimum Pressure 1027 hPa 23:11 1000 hPa 1028 hPa, 2017 991 hPa, 2010
Maximum Pressure 1035 hPa 08:38 1011 hPa 1035 hPa, 2016 998 hPa, 2010
Mean Pressure 1032 hPa 1005 hPa 1032 hPa, 2016 994 hPa, 2010
Mean Wind Speed 3.9 mph (-1.2) 7.1 mph (+2.0) 5.0 mph, 2014 1.9 mph, 2013
Maximum Wind Speed 13.0 mph 14:52 17.0 mph 13.8 mph, 2015 6.7 mph, 2013
Maximum Gust 17.8 mph 14:08 24.8 mph 21.0 mph, 2015 8.7 mph, 2013
Mean Wind Direction SSW
Rainfall 0.0 mm 23.0 mm (104%) 27.0 mm, 2010
Maximum Hourly Rain n/a 3.6, 2010
Maximum 10-min Rain n/a 0.8, 2010
Maximum Rain Rate n/a 8, 2010
Minimum Dew Point -4.0 °C 06:54 -0.6 °C 4.1 °C, 2017 -4.0 °C, 2016
Maximum Dew Point 2.8 °C 11:01 4.9 °C 7.0 °C, 2015 2.7 °C, 2018
Mean Dew Point -1.2 °C 2.3 °C 5.3 °C, 2017 -1.2 °C, 2016
Measure Value Time Month cumul. Record High Record Low
Night Minimum (21-09) -2.1 °C 06:54 4.5 °C 7.0 °C, 2017 -2.1 °C, 2016
Day Maximum (09-21) 7.0 °C 14:06 8.6 °C 11.1 °C, 2009 4.4 °C, 2010
Max 10m Temp Rise 0.5 °C 08:11 0.3 °C 0.6 °C, 2009 0.2 °C, 2010
Max 1hr Temp Rise 2.4 °C 08:42 1.2 °C 2.4 °C, 2016 0.8 °C, 2010
Max 1hr Hum Rise 5% 17:27 7% 12%, 2018 2%, 2010
Max 10m Temp Fall 0.4 °C 06:05 0.4 °C 1.1 °C, 2009 0.2 °C, 2012
Max 1hr Temp Fall 1.3 °C 06:05 1.2 °C 2.4 °C, 2013 0.6 °C, 2017
Max 1hr Hum Fall 18% 13:10 9% 19%, 2014 2%, 2010
Max 10m Wind Speed 10.2 mph 14:33 13.2 mph 10.2 mph, 2016 5.2 mph, 2013
Minimum Feels-like -4.0 °C 07:00 -0.5 °C 3.9 °C, 2017 -4.0 °C, 2016
Maximum Feels-like 4.8 °C 13:14 7.1 °C 11.1 °C, 2017 4.4 °C, 2010
Mean Feels-like 1.1 °C 3.9 °C 7.7 °C, 2017 1.1 °C, 2016
Air-frost Hrs 4 hrs 0.2 hrs 4 hrs, 2016 0 hrs, 2009
Measure Value (anomaly) Month cumul. Record High Record Low
Temperature Range 9.1 °C (+3.5) 5.0 °C (-0.1) 9.1 °C (+3.5), 2016 2.9 °C (-2.7), 2010
Humidity Range 38% 26% 41%, 2018 4%, 2010
Pressure Range 8 hPa 12 hPa 9 hPa, 2011 1 hPa, 2009
Measure Value [% of max] Month cumul. Record High Record Low
Sun Hours 8.5 [95%]40 hrs (97%) [29%] 8.5 [95%], 2016 0 [0%], 2010
Wet Hours 031 hrs (108%) [8.1%] 17, 2010 , 2009
Cloud Cover Sunny
Events Air Frost
Comments -
Extra Comments
Issues 05-08 patchy T/H data. Wind data from Harpenden.
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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