Daily Report for 27th May 2018

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Measure Value (anomaly) Time Month cumul. Record High Record Low
Minimum Temperature 14.2 °C (+4.6) 05:45 8.6 °C (+0.6) 15.1 °C (+5.5), 2017 7.5 °C (-2.1), 2015
Maximum Temperature 27.1 °C (+9.2) 18:04 20.3 °C (+3.9) 27.1 °C (+9.2), 2018 13.2 °C (-4.7), 2014
Mean Temperature 20.7 °C (+6.9) 14.6 °C (+2.2) 20.7 °C, 2018 11.5 °C, 2009
Minimum Humidity 53% 18:03 46% 89%, 2014 29%, 2012
Maximum Humidity 92% 04:12 89% 97%, 2014 65%, 2013
Mean Humidity 76% 68% 94%, 2014 47%, 2013
Minimum Pressure 1016 hPa 17:37 1017 hPa 1019 hPa, 2009 1004 hPa, 2013
Maximum Pressure 1020 hPa 00:34 1022 hPa 1027 hPa, 2015 1011 hPa, 2010
Mean Pressure 1017 hPa 1019 hPa 1022 hPa, 2015 1009 hPa, 2013
Mean Wind Speed 3.2 mph (-1.5) 3.9 mph (-0.8) 6.7 mph, 2013 2.9 mph, 2016
Maximum Wind Speed 9.3 mph 08:07 11.5 mph 19.2 mph, 2013 9.2 mph, 2010
Maximum Gust 17.3 mph 06:15 18.6 mph 25.6 mph, 2013 13.4 mph, 2010
Mean Wind Direction E
Rainfall 3.0 mm 18.0 mm (41%) 6.5 mm, 2014
Maximum Hourly Rain 2.2 mm 01:43 2.2 mm, 2018
Maximum 10-min Rain 1.6 mm 00:56 1.6 mm, 2018
Maximum Rain Rate 36 mm/h 00:53 36 mm/h, 2018
Minimum Dew Point 12.8 °C 05:42 5.7 °C 12.8 °C, 2018 0.4 °C, 2013
Maximum Dew Point 19.4 °C 18:21 11.2 °C 19.4 °C, 2018 5.3 °C, 2013
Mean Dew Point 16.1 °C 8.2 °C 16.1 °C, 2018 2.3 °C, 2013
Measure Value Time Month cumul. Record High Record Low
Night Minimum (21-09) 14.2 °C 05:45 8.9 °C 15.1 °C, 2017 7.5 °C, 2015
Day Maximum (09-21) 27.1 °C 18:05 20.3 °C 27.1 °C, 2018 13.2 °C, 2014
Max 10m Temp Rise 0.8 °C 07:41 0.8 °C 0.8 °C, 2016 0.2 °C, 2014
Max 1hr Temp Rise 3.3 °C 08:08 2.9 °C 3.3 °C, 2018 0.6 °C, 2014
Max 1hr Hum Rise 15% 18:38 11% 15%, 2018 2%, 2014
Max 10m Temp Fall 0.8 °C 18:16 0.6 °C 1.1 °C, 2017 0.2 °C, 2009
Max 1hr Temp Fall 2.3 °C 19:04 2.1 °C 2.7 °C, 2017 0.8 °C, 2009
Max 1hr Hum Fall 11% 08:16 15% 15%, 2010 4%, 2009
Max 10m Wind Speed 6.4 mph 08:04 8.6 mph 13.5 mph, 2017 6.1 mph, 2016
Minimum Feels-like 16.9 °C 05:36 7.8 °C 16.9 °C, 2017 5.3 °C, 2013
Maximum Feels-like 33.7 °C 18:12 21.9 °C 33.7 °C, 2018 15.4 °C, 2014
Mean Feels-like 25.4 °C 15.3 °C 25.4 °C, 2018 12.3 °C, 2010
Air-frost Hrs 0 hrs 0 hrs 0 hrs, 2009 0 hrs, 2009
Measure Value (anomaly) Month cumul. Record High Record Low
Temperature Range 12.9 °C (+4.6) 11.7 °C (+3.3) 13.2 °C (+4.9), 2012 3.5 °C (-4.8), 2014
Humidity Range 39% 43% 46%, 2010 8%, 2014
Pressure Range 5 hPa 5 hPa 12 hPa, 2015 2 hPa, 2010
Measure Value [% of max] Month cumul. Record High Record Low
Sun Hours 8 [55%]234 hrs (142%) [61%] 14.7 [101%], 2012 0 [0%], 2009
Wet Hours 2
[Mean rain rate: 1.5 mm/h]
24 hrs (67%) [3.6%] 10, 2014 0, 2011
Cloud Cover Mostly Sunny with periods of Partly Cloudy
Events Light Thunderstorm
Comments 1am TSlight with rain
Extra Comments missed some big cells sadly
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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