Daily Report for 23rd May 2017

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Measure Value (anomaly) Time Month cumul. Record High Record Low
Minimum Temperature 12.5 °C (+3.4) 05:33 9.3 °C (+1.6) 12.8 °C (+3.7), 2012 5.7 °C (-3.4), 2013
Maximum Temperature 21.7 °C (+4.3) 18:33 17.5 °C (+1.3) 29.1 °C (+11.7), 2010 11.0 °C (-6.4), 2013
Mean Temperature 17.8 °C (+3.9) 13.2 °C (+1.4) 19.4 °C, 2010 8.1 °C, 2013
Minimum Humidity 56% 12:54 53% 56%, 2017 33%, 2009
Maximum Humidity 75% 05:35 82% 92%, 2010 71%, 2014
Mean Humidity 66% 69% 73%, 2012 58%, 2009
Minimum Pressure 1014 hPa 00:00 1012 hPa 1024 hPa, 2015 1002 hPa, 2014
Maximum Pressure 1025 hPa 22:59 1020 hPa 1028 hPa, 2010 1008 hPa, 2014
Mean Pressure 1022 hPa 1016 hPa 1024 hPa, 2015 1005 hPa, 2014
Mean Wind Speed 3.4 mph (-1.3) 4.4 mph (-0.3) 9.3 mph, 2011 2.4 mph, 2010
Maximum Wind Speed 9.6 mph 04:46 11.4 mph 22.5 mph, 2011 6.4 mph, 2012
Maximum Gust 13.6 mph 01:05 17.6 mph 32.0 mph, 2011 8.7 mph, 2012
Mean Wind Direction WNW
Rainfall 0.0 mm 65.8 mm (174%) 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 8.1 °C 05:07 5.1 °C 10.3 °C, 2012 -2.2 °C, 2013
Maximum Dew Point 14.3 °C 17:48 9.7 °C 16.8 °C, 2012 2.8 °C, 2013
Mean Dew Point 11.3 °C 7.4 °C 13.7 °C, 2012 0.9 °C, 2013
Measure Value Time Month cumul. Record High Record Low
Night Minimum (21-09) 12.5 °C 05:33 9.6 °C 13.0 °C, 2015 5.7 °C, 2013
Day Maximum (09-21) 21.7 °C 18:33 17.5 °C 29.1 °C, 2010 11.0 °C, 2013
Max 10m Temp Rise 0.6 °C 07:57 0.6 °C 1.0 °C, 2013 0.5 °C, 2010
Max 1hr Temp Rise 2.4 °C 11:01 2.1 °C 2.9 °C, 2012 1.7 °C, 2014
Max 1hr Hum Rise 8% 21:49 9% 21%, 2013 7%, 2012
Max 10m Temp Fall 0.5 °C 15:21 0.5 °C 1.2 °C, 2009 0.4 °C, 2012
Max 1hr Temp Fall 1.4 °C 21:08 1.7 °C 2.8 °C, 2015 1.4 °C, 2017
Max 1hr Hum Fall 6% 10:39 10% 22%, 2009 6%, 2017
Max 10m Wind Speed 7.4 mph 07:39 8.7 mph 15.7 mph, 2011 5.0 mph, 2012
Minimum Feels-like 13.0 °C 05:22 8.1 °C 14.2 °C, 2012 2.2 °C, 2013
Maximum Feels-like 25.1 °C 18:20 18.4 °C 31.2 °C, 2010 11.0 °C, 2013
Mean Feels-like 19.7 °C 13.5 °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 9.2 °C (+0.8) 8.2 °C (-0.3) 18.5 °C (+10.2), 2010 4.9 °C (-3.5), 2014
Humidity Range 19% 29% 59%, 2010 19%, 2017
Pressure Range 11 hPa 8 hPa 11 hPa, 2016 1 hPa, 2015
Measure Value [% of max] Month cumul. Record High Record Low
Sun Hours 6 [41%]99 hrs (71%) [31%] 14.6 [101%], 2010 3 [21%], 2015
Wet Hours 039 hrs (131%) [7.1%] 1, 2014 0, 2009
Cloud Cover am: Mostly Sunny transitioned to 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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