Daily Report for 18th February 2018

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Measure Value (anomaly) Time Month cumul. Record High Record Low
Minimum Temperature 1.7 °C (-0.3) 07:32 0.7 °C (-1.4) 6.2 °C (+4.2), 2009 -0.8 °C (-2.8), 2010
Maximum Temperature 10.1 °C (+2.6) 12:41 6.9 °C (-0.4) 11.3 °C (+3.8), 2017 4.8 °C (-2.7), 2010
Mean Temperature 6.6 °C (+1.2) 4.0 °C (-0.9) 8.4 °C, 2019 2.1 °C, 2010
Minimum Humidity 68% 15:01 66% 88%, 2010 51%, 2016
Maximum Humidity 95% 08:14 92% 98%, 2010 81%, 2015
Mean Humidity 83% 81% 96%, 2010 71%, 2015
Minimum Pressure 1020 hPa 22:15 1009 hPa 1031 hPa, 2015 986 hPa, 2010
Maximum Pressure 1023 hPa 04:45 1018 hPa 1042 hPa, 2015 992 hPa, 2010
Mean Pressure 1022 hPa 1014 hPa 1036 hPa, 2015 989 hPa, 2010
Mean Wind Speed 3.0 mph (-2.1) 5.5 mph (+0.4) 7.9 mph, 2012 2.6 mph, 2010
Maximum Wind Speed 9.9 mph 19:07 14.3 mph 20.4 mph, 2012 8.8 mph, 2017
Maximum Gust 13.8 mph 10:28 22.3 mph 32.0 mph, 2012 10.9 mph, 2010
Mean Wind Direction SSW
Rainfall 0.0 mm 27.4 mm (107%) 9.0 mm, 2010
Maximum Hourly Rain n/a 4.3, 2014
Maximum 10-min Rain n/a 2.1, 2014
Maximum Rain Rate n/a 60, 2014
Minimum Dew Point 0.8 °C 07:27 -1.6 °C 4.8 °C, 2014 -4.9 °C, 2016
Maximum Dew Point 5.4 °C 17:33 3.6 °C 8.5 °C, 2014 2.2 °C, 2015
Mean Dew Point 3.8 °C 0.9 °C 6.8 °C, 2014 -0.1 °C, 2016
Measure Value Time Month cumul. Record High Record Low
Night Minimum (21-09) 1.7 °C 07:32 1.5 °C 8.7 °C, 2019 -0.8 °C, 2010
Day Maximum (09-21) 10.1 °C 12:41 6.5 °C 11.3 °C, 2017 4.8 °C, 2010
Max 10m Temp Rise 1.1 °C 09:54 0.5 °C 1.3 °C, 2009 0.2 °C, 2017
Max 1hr Temp Rise 3.7 °C 10:18 1.7 °C 3.7 °C, 2018 0.5 °C, 2019
Max 1hr Hum Rise 6% 02:55 8% 14%, 2012 2%, 2010
Max 10m Temp Fall 0.4 °C 01:58 0.5 °C 1.7 °C, 2012 0.2 °C, 2010
Max 1hr Temp Fall 1.2 °C 02:22 1.2 °C 3.6 °C, 2012 0.7 °C, 2010
Max 1hr Hum Fall 11% 10:27 9% 13%, 2016 1%, 2010
Max 10m Wind Speed 7.3 mph 19:16 11.0 mph 13.7 mph, 2012 5.7 mph, 2010
Minimum Feels-like 1.7 °C 02:52 -3.4 °C 2.9 °C, 2017 -3.6 °C, 2010
Maximum Feels-like 10.1 °C 12:39 5.6 °C 11.3 °C, 2017 4.8 °C, 2010
Mean Feels-like 5.4 °C 1.0 °C 6.9 °C, 2014 1.1 °C, 2010
Air-frost Hrs 0 hrs 2 hrs 8 hrs, 2010 0 hrs, 2009
Measure Value (anomaly) Month cumul. Record High Record Low
Temperature Range 8.4 °C (+2.9) 6.1 °C (+1.0) 8.4 °C (+2.9), 2018 3.3 °C (-2.2), 2009
Humidity Range 27% 25% 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 2 [22%]57 hrs (122%) [37%] 9 [99%], 2015 0 [0%], 2019
Wet Hours 041 hrs (121%) [9.4%] 6, 2010 , 2009
Cloud Cover am: Partly Cloudy
pm: Overcast or Mostly Cloudy
Events None
Comments -
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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