Daily Report for 30th May 2017

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Measure Value (anomaly) Time Month cumul. Record High Record Low
Minimum Temperature 15.0 °C (+5.0) 06:32 10.3 °C (+2.1) 15.0 °C (+5.0), 2017 7.3 °C (-2.7), 2015
Maximum Temperature 20.6 °C (+2.3) 18:35 19.1 °C (+2.5) 25.4 °C (+7.1), 2012 15.1 °C (-3.2), 2013
Mean Temperature 17.9 °C (+3.7) 14.6 °C (+2.3) 19.2 °C, 2012 12.2 °C, 2013
Minimum Humidity 53% 18:42 53% 78%, 2013 30%, 2009
Maximum Humidity 85% 02:56 83% 97%, 2013 81%, 2015
Mean Humidity 70% 69% 90%, 2013 55%, 2015
Minimum Pressure 1012 hPa 05:26 1013 hPa 1025 hPa, 2009 1006 hPa, 2010
Maximum Pressure 1020 hPa 23:19 1021 hPa 1028 hPa, 2009 1013 hPa, 2011
Mean Pressure 1018 hPa 1017 hPa 1026 hPa, 2009 1010 hPa, 2011
Mean Wind Speed 4.6 mph (-0.1) 4.1 mph (-0.6) 6.6 mph, 2010 2.9 mph, 2014
Maximum Wind Speed 13.8 mph 14:31 11.2 mph 15.6 mph, 2011 9.7 mph, 2013
Maximum Gust 22.0 mph 14:43 17.2 mph 22.3 mph, 2010 14.7 mph, 2013
Mean Wind Direction W
Rainfall 0.0 mm 85.9 mm (174%) 5.1 mm, 2013
Maximum Hourly Rain n/a 2, 2013
Maximum 10-min Rain n/a 0.6, 2013
Maximum Rain Rate n/a 2.8, 2013
Minimum Dew Point 10.2 °C 18:51 6.1 °C 10.2 °C, 2017 1.2 °C, 2015
Maximum Dew Point 15.1 °C 00:08 11.0 °C 15.1 °C, 2017 6.3 °C, 2015
Mean Dew Point 12.2 °C 8.6 °C 12.2 °C, 2017 3.3 °C, 2015
Measure Value Time Month cumul. Record High Record Low
Night Minimum (21-09) 15.0 °C 06:32 10.6 °C 15.0 °C, 2017 7.3 °C, 2015
Day Maximum (09-21) 20.6 °C 18:35 19.1 °C 25.4 °C, 2012 15.1 °C, 2013
Max 10m Temp Rise 0.6 °C 10:32 0.6 °C 0.9 °C, 2009 0.4 °C, 2014
Max 1hr Temp Rise 1.6 °C 10:51 2.2 °C 3.4 °C, 2009 1.2 °C, 2016
Max 1hr Hum Rise 5% 20:26 9% 22%, 2012 4%, 2013
Max 10m Temp Fall 0.4 °C 18:49 0.5 °C 1.0 °C, 2012 0.2 °C, 2016
Max 1hr Temp Fall 1.0 °C 04:01 1.8 °C 3.2 °C, 2012 0.9 °C, 2016
Max 1hr Hum Fall 8% 10:57 10% 20%, 2012 8%, 2016
Max 10m Wind Speed 10.2 mph 15:23 8.5 mph 10.8 mph, 2015 6.1 mph, 2014
Minimum Feels-like 17.2 °C 06:25 9.8 °C 17.2 °C, 2017 4.7 °C, 2015
Maximum Feels-like 22.6 °C 15:07 20.6 °C 27.1 °C, 2012 16.7 °C, 2014
Mean Feels-like 20.3 °C 15.4 °C 21.2 °C, 2012 12.1 °C, 2015
Air-frost Hrs 0 hrs 0 hrs 0 hrs, 2009 0 hrs, 2009
Measure Value (anomaly) Month cumul. Record High Record Low
Temperature Range 5.6 °C (-2.7) 8.8 °C (+0.4) 13.8 °C (+5.5), 2009 4.4 °C (-3.9), 2013
Humidity Range 32% 30% 60%, 2009 19%, 2013
Pressure Range 8 hPa 8 hPa 10 hPa, 2010 1 hPa, 2012
Measure Value [% of max] Month cumul. Record High Record Low
Sun Hours 2 [14%]157 hrs (85%) [37%] 13.8 [94%], 2009 0 [0%], 2014
Wet Hours 044 hrs (114%) [6.1%] 5, 2013 0, 2009
Cloud Cover am: Mostly Cloudy
pm: Mostly Cloudy transitioned to Mostly Sunny
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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