Daily Report for 18th May 2018

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Measure Value (anomaly) Time Month cumul. Record High Record Low
Minimum Temperature 3.9 °C (-4.5) 05:19 7.6 °C (+0.2) 11.4 °C (+3.0), 2011 3.9 °C (-4.5), 2018
Maximum Temperature 18.1 °C (+1.3) 17:27 19.4 °C (+3.6) 24.5 °C (+7.7), 2014 14.6 °C (-2.2), 2016
Mean Temperature 11.7 °C (-1.6) 13.9 °C (+1.9) 18.7 °C, 2014 11.7 °C, 2013
Minimum Humidity 38% 15:38 43% 71%, 2016 33%, 2014
Maximum Humidity 91% 05:59 88% 94%, 2015 75%, 2013
Mean Humidity 66% 65% 81%, 2011 56%, 2014
Minimum Pressure 1025 hPa 15:56 1016 hPa 1027 hPa, 2010 1002 hPa, 2012
Maximum Pressure 1028 hPa 08:43 1021 hPa 1030 hPa, 2010 1009 hPa, 2012
Mean Pressure 1026 hPa 1019 hPa 1028 hPa, 2010 1005 hPa, 2016
Mean Wind Speed 2.2 mph (-2.5) 4.0 mph (-0.7) 8.3 mph, 2015 1.7 mph, 2017
Maximum Wind Speed 7.4 mph 19:07 11.7 mph 21.0 mph, 2015 7.1 mph, 2017
Maximum Gust 11.5 mph 07:35 18.5 mph 39.8 mph, 2015 10.3 mph, 2010
Mean Wind Direction NE
Rainfall 0.0 mm 12.8 mm (43%) 15.0 mm, 2017
Maximum Hourly Rain n/a 3.2, 2016
Maximum 10-min Rain n/a 2, 2016
Maximum Rain Rate n/a 30, 2016
Minimum Dew Point 2.3 °C 05:11 4.1 °C 8.3 °C, 2011 0.2 °C, 2015
Maximum Dew Point 7.7 °C 22:09 9.7 °C 13.6 °C, 2014 6.4 °C, 2013
Mean Dew Point 4.9 °C 6.7 °C 11.4 °C, 2011 4.9 °C, 2018
Measure Value Time Month cumul. Record High Record Low
Night Minimum (21-09) 3.9 °C 05:19 8.0 °C 13.1 °C, 2011 3.9 °C, 2018
Day Maximum (09-21) 18.1 °C 17:28 19.4 °C 24.5 °C, 2014 14.6 °C, 2016
Max 10m Temp Rise 0.7 °C 06:58 0.8 °C 0.8 °C, 2012 0.4 °C, 2011
Max 1hr Temp Rise 2.6 °C 07:33 2.9 °C 4.0 °C, 2014 1.2 °C, 2011
Max 1hr Hum Rise 15% 21:32 11% 16%, 2011 5%, 2013
Max 10m Temp Fall 0.5 °C 17:48 0.7 °C 0.7 °C, 2015 0.3 °C, 2013
Max 1hr Temp Fall 1.8 °C 21:23 2.1 °C 2.1 °C, 2017 0.9 °C, 2012
Max 1hr Hum Fall 11% 07:30 16% 22%, 2015 7%, 2016
Max 10m Wind Speed 4.8 mph 07:36 8.7 mph 18.0 mph, 2015 4.8 mph, 2018
Minimum Feels-like 2.6 °C 05:10 6.0 °C 12.1 °C, 2014 2.6 °C, 2018
Maximum Feels-like 18.1 °C 17:18 20.3 °C 25.1 °C, 2014 15.2 °C, 2013
Mean Feels-like 11.5 °C 13.9 °C 19.7 °C, 2014 11.4 °C, 2013
Air-frost Hrs 0 hrs 0 hrs 0 hrs, 2009 0 hrs, 2009
Measure Value (anomaly) Month cumul. Record High Record Low
Temperature Range 14.2 °C (+5.8) 11.8 °C (+3.3) 14.2 °C (+5.8), 2018 3.4 °C (-5.0), 2016
Humidity Range 53% 45% 58%, 2014 15%, 2016
Pressure Range 3 hPa 6 hPa 15 hPa, 2015 3 hPa, 2018
Measure Value [% of max] Month cumul. Record High Record Low
Sun Hours 13 [91%]160 hrs (148%) [64%] 13.5 [95%], 2014 0.1 [1%], 2016
Wet Hours 017 hrs (71%) [3.8%] 9, 2017 0, 2010
Cloud Cover am: Sunny
pm: Sunny or Hazy
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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