Daily Report for 23rd May 2018

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Measure Value (anomaly) Time Month cumul. Record High Record Low
Minimum Temperature 10.3 °C (+1.2) 05:44 7.8 °C (+0.1) 12.8 °C (+3.7), 2012 5.7 °C (-3.4), 2013
Maximum Temperature 18.4 °C (+1.0) 15:58 19.8 °C (+3.6) 29.1 °C (+11.7), 2010 11.0 °C (-6.4), 2013
Mean Temperature 13.3 °C (+1.1) 14.1 °C (+1.8) 19.4 °C, 2010 8.1 °C, 2013
Minimum Humidity 64% 15:00 44% 64%, 2018 33%, 2009
Maximum Humidity 86% 06:20 88% 92%, 2010 71%, 2014
Mean Humidity 79% 66% 79%, 2018 58%, 2009
Minimum Pressure 1022 hPa 00:06 1016 hPa 1024 hPa, 2015 1002 hPa, 2014
Maximum Pressure 1025 hPa 11:27 1022 hPa 1028 hPa, 2010 1008 hPa, 2014
Mean Pressure 1024 hPa 1019 hPa 1024 hPa, 2015 1005 hPa, 2014
Mean Wind Speed 4.5 mph (-0.2) 3.9 mph (-0.8) 9.3 mph, 2011 2.4 mph, 2010
Maximum Wind Speed 12.1 mph 12:05 11.7 mph 22.5 mph, 2011 6.4 mph, 2012
Maximum Gust 19.6 mph 13:15 18.5 mph 32.0 mph, 2011 8.7 mph, 2012
Mean Wind Direction NNE
Rainfall 0.0 mm 12.8 mm (34%) 2.0 mm, 2015
Maximum Hourly Rain n/a 2, 2015
Maximum 10-min Rain n/a 0.8, 2015
Maximum Rain Rate n/a 5.4, 2015
Minimum Dew Point 7.8 °C 04:21 4.7 °C 10.3 °C, 2012 -2.2 °C, 2013
Maximum Dew Point 12.4 °C 15:57 10.2 °C 16.8 °C, 2012 2.8 °C, 2013
Mean Dew Point 9.6 °C 7.3 °C 13.7 °C, 2012 0.9 °C, 2013
Measure Value Time Month cumul. Record High Record Low
Night Minimum (21-09) 10.3 °C 05:39 8.2 °C 13.0 °C, 2015 5.7 °C, 2013
Day Maximum (09-21) 18.4 °C 15:59 19.8 °C 29.1 °C, 2010 11.0 °C, 2013
Max 10m Temp Rise 0.8 °C 11:45 0.8 °C 1.0 °C, 2013 0.5 °C, 2010
Max 1hr Temp Rise 1.8 °C 09:59 2.9 °C 2.9 °C, 2012 1.7 °C, 2014
Max 1hr Hum Rise 6% 17:00 11% 21%, 2013 6%, 2018
Max 10m Temp Fall 0.4 °C 16:25 0.6 °C 1.2 °C, 2009 0.4 °C, 2012
Max 1hr Temp Fall 1.5 °C 16:57 2.1 °C 2.8 °C, 2015 1.4 °C, 2017
Max 1hr Hum Fall 7% 14:38 15% 22%, 2009 6%, 2017
Max 10m Wind Speed 8.6 mph 12:08 8.6 mph 15.7 mph, 2011 5.0 mph, 2012
Minimum Feels-like 10.7 °C 04:39 6.6 °C 14.2 °C, 2012 2.2 °C, 2013
Maximum Feels-like 20.9 °C 15:57 20.8 °C 31.2 °C, 2010 11.0 °C, 2013
Mean Feels-like 14.4 °C 14.3 °C 22.2 °C, 2012 6.5 °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 8.1 °C (-0.3) 11.9 °C (+3.5) 18.5 °C (+10.2), 2010 4.9 °C (-3.5), 2014
Humidity Range 22% 45% 59%, 2010 19%, 2017
Pressure Range 3 hPa 5 hPa 11 hPa, 2016 1 hPa, 2015
Measure Value [% of max] Month cumul. Record High Record Low
Sun Hours 5 [35%]214 hrs (154%) [67%] 14.6 [101%], 2010 3 [21%], 2015
Wet Hours 017 hrs (56%) [3%] 1, 2014 0, 2009
Cloud Cover am: Overcast transitioned to Sunny
pm: 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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