Daily Report for 25th May 2018

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Measure Value (anomaly) Time Month cumul. Record High Record Low
Minimum Temperature 12.7 °C (+3.4) 06:18 8.1 °C (+0.3) 15.6 °C (+6.3), 2012 4.9 °C (-4.4), 2013
Maximum Temperature 19.2 °C (+1.5) 18:40 19.8 °C (+3.5) 25.9 °C (+8.2), 2017 12.2 °C (-5.5), 2016
Mean Temperature 15.8 °C (+2.5) 14.2 °C (+1.9) 20.1 °C, 2017 10.0 °C, 2013
Minimum Humidity 73% 13:41 46% 73%, 2018 27%, 2011
Maximum Humidity 91% 06:58 89% 97%, 2013 72%, 2011
Mean Humidity 82% 67% 82%, 2018 46%, 2011
Minimum Pressure 1018 hPa 04:57 1017 hPa 1022 hPa, 2017 1010 hPa, 2009
Maximum Pressure 1021 hPa 23:19 1022 hPa 1028 hPa, 2011 1015 hPa, 2010
Mean Pressure 1019 hPa 1019 hPa 1024 hPa, 2017 1012 hPa, 2010
Mean Wind Speed 1.7 mph (-3.0) 3.8 mph (-0.9) 6.8 mph, 2012 1.7 mph, 2018
Maximum Wind Speed 9.3 mph 01:18 11.5 mph 16.3 mph, 2012 8.6 mph, 2017
Maximum Gust 15.0 mph 01:19 18.3 mph 27.9 mph, 2012 12.8 mph, 2015
Mean Wind Direction NNW
Rainfall 0.0 mm 14.6 mm (35%) 0.1 mm, 2009
Maximum Hourly Rain n/a n/a
Maximum 10-min Rain n/a n/a
Maximum Rain Rate n/a n/a
Minimum Dew Point 11.1 °C 03:57 5.1 °C 11.1 °C, 2018 -0.4 °C, 2011
Maximum Dew Point 14.7 °C 18:30 10.6 °C 15.7 °C, 2017 6.6 °C, 2011
Mean Dew Point 12.7 °C 7.7 °C 12.7 °C, 2018 3.0 °C, 2011
Measure Value Time Month cumul. Record High Record Low
Night Minimum (21-09) 12.7 °C 06:16 8.4 °C 15.6 °C, 2012 4.9 °C, 2013
Day Maximum (09-21) 19.2 °C 18:38 19.8 °C 25.9 °C, 2017 12.2 °C, 2016
Max 10m Temp Rise 0.5 °C 11:28 0.8 °C 1.1 °C, 2011 0.4 °C, 2010
Max 1hr Temp Rise 1.9 °C 11:28 2.8 °C 5.3 °C, 2011 1.3 °C, 2016
Max 1hr Hum Rise 5% 19:45 11% 11%, 2009 4%, 2015
Max 10m Temp Fall 0.4 °C 23:07 0.6 °C 0.7 °C, 2013 0.2 °C, 2016
Max 1hr Temp Fall 1.3 °C 23:49 2.1 °C 3.3 °C, 2013 0.5 °C, 2016
Max 1hr Hum Fall 6% 10:54 15% 18%, 2014 5%, 2016
Max 10m Wind Speed 6.4 mph 01:27 8.5 mph 11.9 mph, 2012 6.4 mph, 2015
Minimum Feels-like 14.5 °C 05:50 7.1 °C 18.6 °C, 2012 0.8 °C, 2013
Maximum Feels-like 23.0 °C 18:30 21.1 °C 29.1 °C, 2017 12.3 °C, 2016
Mean Feels-like 18.5 °C 14.6 °C 22.5 °C, 2017 9.0 °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 6.5 °C (-1.8) 11.7 °C (+3.3) 14.5 °C (+6.2), 2011 3.4 °C (-4.9), 2016
Humidity Range 18% 43% 57%, 2013 18%, 2018
Pressure Range 4 hPa 5 hPa 16 hPa, 2011 3 hPa, 2015
Measure Value [% of max] Month cumul. Record High Record Low
Sun Hours 0.5 [3%]217 hrs (143%) [62%] 14.3 [98%], 2017 0 [0%], 2016
Wet Hours 021 hrs (64%) [3.4%] 0.3, 2009 0, 2010
Cloud Cover am: Overcast
pm: Overcast transitioned to 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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Webcam Summary of Cloud Conditions

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