Daily Report for 9th May 2018

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Measure Value (anomaly) Time Month cumul. Record High Record Low
Minimum Temperature 8.6 °C (+1.4) 05:47 7.4 °C (+0.6) 14.2 °C (+7.0), 2016 6.3 °C (-0.9), 2010
Maximum Temperature 21.4 °C (+5.7) 16:42 21.0 °C (+5.7) 24.8 °C (+9.1), 2016 11.5 °C (-4.2), 2010
Mean Temperature 15.7 °C (+3.6) 14.6 °C (+3.1) 18.5 °C, 2016 8.4 °C, 2010
Minimum Humidity 38% 16:49 40% 72%, 2012 33%, 2016
Maximum Humidity 92% 06:11 89% 95%, 2012 74%, 2017
Mean Humidity 63% 63% 90%, 2012 56%, 2016
Minimum Pressure 1008 hPa 16:53 1014 hPa 1019 hPa, 2011 1005 hPa, 2013
Maximum Pressure 1012 hPa 00:01 1020 hPa 1029 hPa, 2017 1009 hPa, 2016
Mean Pressure 1010 hPa 1017 hPa 1022 hPa, 2017 1008 hPa, 2016
Mean Wind Speed 4.0 mph (-0.7) 4.1 mph (-0.6) 10.0 mph, 2013 2.8 mph, 2017
Maximum Wind Speed 11.9 mph 20:14 12.5 mph 24.6 mph, 2013 8.3 mph, 2017
Maximum Gust 18.4 mph 19:19 19.1 mph 38.4 mph, 2013 12.6 mph, 2017
Mean Wind Direction WSW
Rainfall 0.0 mm 4.2 mm (28%) 4.9 mm, 2012
Maximum Hourly Rain n/a 1.5, 2012
Maximum 10-min Rain n/a 0.9, 2012
Maximum Rain Rate n/a 10, 2016
Minimum Dew Point 6.2 °C 16:07 4.5 °C 8.5 °C, 2012 1.1 °C, 2017
Maximum Dew Point 10.5 °C 08:53 9.9 °C 14.0 °C, 2012 4.3 °C, 2017
Mean Dew Point 8.0 °C 6.9 °C 11.6 °C, 2012 2.6 °C, 2017
Measure Value Time Month cumul. Record High Record Low
Night Minimum (21-09) 8.6 °C 05:47 7.7 °C 14.2 °C, 2016 6.3 °C, 2010
Day Maximum (09-21) 21.4 °C 16:19 21.0 °C 24.8 °C, 2016 11.5 °C, 2010
Max 10m Temp Rise 0.7 °C 07:15 0.9 °C 0.9 °C, 2009 0.5 °C, 2010
Max 1hr Temp Rise 3.4 °C 07:47 3.6 °C 3.4 °C, 2018 1.7 °C, 2010
Max 1hr Hum Rise 12% 18:51 11% 28%, 2013 5%, 2015
Max 10m Temp Fall 0.6 °C 18:16 0.8 °C 1.2 °C, 2013 0.3 °C, 2010
Max 1hr Temp Fall 2.5 °C 18:52 2.3 °C 3.0 °C, 2013 1.1 °C, 2012
Max 1hr Hum Fall 17% 09:47 18% 24%, 2013 6%, 2012
Max 10m Wind Speed 9.9 mph 20:23 9.7 mph 18.7 mph, 2013 7.2 mph, 2017
Minimum Feels-like 8.1 °C 05:59 6.4 °C 14.2 °C, 2016 3.1 °C, 2017
Maximum Feels-like 21.7 °C 14:59 22.1 °C 25.7 °C, 2016 11.5 °C, 2010
Mean Feels-like 16.1 °C 14.6 °C 19.5 °C, 2016 7.1 °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 12.8 °C (+4.3) 13.6 °C (+5.1) 12.8 °C (+4.3), 2018 4.5 °C (-4.0), 2012
Humidity Range 54% 49% 54%, 2018 23%, 2012
Pressure Range 4 hPa 6 hPa 14 hPa, 2017 2 hPa, 2016
Measure Value [% of max] Month cumul. Record High Record Low
Sun Hours 11 [80%]91 hrs (171%) [74%] 12.5 [90%], 2011 0 [0%], 2012
Wet Hours 06 hrs (52%) [2.8%] 6, 2012 0, 2009
Cloud Cover am: Sunny
pm: Mostly Sunny 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 of the longest continuous period at that extreme value.
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 (entered with a delay of 1-10 days); their reliablity is questionable and they are provided for interest only.
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Webcam Summary of Cloud Conditions

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