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, 2014 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 8.4 °C, 2012 -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 0.9 °C, 2014
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 10%, 2010
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 0.3 [3%], 2010
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 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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