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 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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