Daily Report for 18th February 2019

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Measure Value (anomaly) Time Month cumul. Record High Record Low
Minimum Temperature 5.1 °C (+3.1) 23:56 3.9 °C (+1.8) 6.2 °C (+4.2), 2009 -0.8 °C (-2.8), 2010
Maximum Temperature 10.7 °C (+3.2) 00:05 9.5 °C (+2.3) 11.3 °C (+3.8), 2017 4.8 °C (-2.7), 2010
Mean Temperature 8.4 °C (+3.2) 6.7 °C (+2.0) 8.4 °C, 2019 2.1 °C, 2010
Minimum Humidity 82% 00:12 73% 88%, 2010 51%, 2016
Maximum Humidity 90% 23:13 93% 98%, 2010 81%, 2015
Mean Humidity 87% 84% 96%, 2010 71%, 2015
Minimum Pressure 1014 hPa 16:40 1011 hPa 1031 hPa, 2015 986 hPa, 2010
Maximum Pressure 1017 hPa 21:57 1021 hPa 1042 hPa, 2015 992 hPa, 2010
Mean Pressure 1016 hPa 1016 hPa 1036 hPa, 2015 989 hPa, 2010
Mean Wind Speed 5.2 mph (+0.1) 5.7 mph (+0.6) 7.9 mph, 2012 2.6 mph, 2010
Maximum Wind Speed 11.4 mph 16:42 15.5 mph 20.4 mph, 2012 8.8 mph, 2017
Maximum Gust 18.4 mph 13:12 24.1 mph 32.0 mph, 2012 10.9 mph, 2010
Mean Wind Direction SW
Rainfall 1.4 mm 32.2 mm (125%) 9.0 mm, 2010
Maximum Hourly Rain 0.8 mm 13:16 4.3 mm, 2014
Maximum 10-min Rain 0.4 mm 13:06 2.1 mm, 2014
Maximum Rain Rate 1.5 mm/h 13:06 60 mm/h, 2014
Minimum Dew Point 3.6 °C 23:56 1.9 °C 4.8 °C, 2014 -4.9 °C, 2016
Maximum Dew Point 7.8 °C 00:44 6.3 °C 8.5 °C, 2014 2.2 °C, 2015
Mean Dew Point 6.4 °C 4.2 °C 6.8 °C, 2014 -0.1 °C, 2016
Measure Value Time Month cumul. Record High Record Low
Night Minimum (21-09) * 8.7 °C * 07:16 4.1 °C 8.7 °C, 2019 -0.8 °C, 2010
Day Maximum (09-21) * 9.8 °C * 10:48 9.4 °C 11.3 °C, 2017 4.8 °C, 2010
Max 10m Temp Rise 0.2 °C 08:11 0.4 °C 1.3 °C, 2009 0.2 °C, 2017
Max 1hr Temp Rise 0.5 °C 08:24 1.5 °C 3.7 °C, 2018 0.5 °C, 2019
Max 1hr Hum Rise 3% 01:21 5% 14%, 2012 2%, 2010
Max 10m Temp Fall 0.3 °C 19:10 0.3 °C 1.7 °C, 2012 0.2 °C, 2010
Max 1hr Temp Fall 1.0 °C 19:51 1.1 °C 3.6 °C, 2012 0.7 °C, 2010
Max 1hr Hum Fall 2% 08:20 7% 13%, 2016 1%, 2010
Max 10m Wind Speed 8.4 mph 17:24 11.1 mph 13.7 mph, 2012 5.7 mph, 2010
Minimum Feels-like 1.4 °C 23:58 -0.1 °C 2.9 °C, 2017 -3.6 °C, 2010
Maximum Feels-like 11.0 °C 00:05 9.3 °C 11.3 °C, 2017 4.8 °C, 2010
Mean Feels-like 6.4 °C 4.6 °C 6.9 °C, 2014 1.1 °C, 2010
Air-frost Hrs 0 hrs 0.4 hrs 8 hrs, 2010 0 hrs, 2009
Measure Value (anomaly) Month cumul. Record High Record Low
Temperature Range 5.6 °C (+0.1) 5.6 °C (+0.5) 8.4 °C (+2.9), 2018 3.3 °C (-2.2), 2009
Humidity Range 8% 20% 41%, 2016 8%, 2019
Pressure Range 3 hPa 10 hPa 12 hPa, 2012 1 hPa, 2009
Measure Value [% of max] Month cumul. Record High Record Low
Sun Hours 0 [0%]54 hrs (115%) [35%] 9 [99%], 2015 0 [0%], 2019
Wet Hours 3
[Mean rain rate: 0.5 mm/h]
52 hrs (156%) [12%] 6, 2010 , 2009
Cloud Cover Overcast
Events None
Comments day 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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