Daily Report for 27th July 2017

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Measure Value (anomaly) Time Month cumul. Record High Record Low
Minimum Temperature 14.4 °C (+0.5) 06:20 15.3 °C (+2.0) 18.2 °C (+4.2), 2014 12.4 °C (-1.5), 2009
Maximum Temperature 20.8 °C (-1.9) 15:58 23.7 °C (+1.3) 28.5 °C (+5.8), 2013 19.7 °C (-3.0), 2015
Mean Temperature 17.0 °C (-0.7) 19.3 °C (+1.6) 21.0 °C, 2014 16.2 °C, 2009
Minimum Humidity 54% 16:23 48% 62%, 2016 36%, 2013
Maximum Humidity 81% 23:47 80% 95%, 2009 77%, 2014
Mean Humidity 69% 64% 78%, 2009 57%, 2014
Minimum Pressure 1006 hPa 17:28 1012 hPa 1019 hPa, 2011 996 hPa, 2015
Maximum Pressure 1010 hPa 09:36 1018 hPa 1022 hPa, 2011 1004 hPa, 2015
Mean Pressure 1008 hPa 1015 hPa 1020 hPa, 2011 1000 hPa, 2015
Mean Wind Speed 5.9 mph (+1.6) 3.8 mph (-0.5) 8.7 mph, 2015 2.0 mph, 2012
Maximum Wind Speed 14.2 mph 14:26 11.5 mph 19.0 mph, 2015 7.4 mph, 2014
Maximum Gust 21.0 mph 10:19 17.7 mph 27.5 mph, 2015 10.7 mph, 2014
Mean Wind Direction WSW
Rainfall 2.2 mm 63.8 mm (174%) 6.7 mm, 2013
Maximum Hourly Rain 1.4 mm 18:15 4.6 mm, 2013
Maximum 10-min Rain 1.2 mm 18:15 1.2 mm, 2013
Maximum Rain Rate 30 mm/h 18:10 30 mm/h, 2017
Minimum Dew Point 9.9 °C 00:58 9.3 °C 13.6 °C, 2010 7.4 °C, 2009
Maximum Dew Point 13.7 °C 13:38 14.4 °C 18.1 °C, 2016 12.9 °C, 2011
Mean Dew Point 11.2 °C 11.9 °C 15.8 °C, 2010 11.2 °C, 2017
Measure Value Time Month cumul. Record High Record Low
Night Minimum (21-09) 14.4 °C 06:20 15.4 °C 18.7 °C, 2014 12.4 °C, 2009
Day Maximum (09-21) 20.8 °C 15:58 23.7 °C 28.5 °C, 2013 19.7 °C, 2015
Max 10m Temp Rise 0.8 °C 11:54 0.6 °C 0.8 °C, 2017 0.4 °C, 2011
Max 1hr Temp Rise 2.3 °C 11:54 2.1 °C 3.0 °C, 2009 1.6 °C, 2011
Max 1hr Hum Rise 12% 13:12 8% 15%, 2013 5%, 2016
Max 10m Temp Fall 0.7 °C 13:02 0.5 °C 1.2 °C, 2013 0.3 °C, 2015
Max 1hr Temp Fall 2.0 °C 16:54 1.9 °C 2.7 °C, 2013 1.1 °C, 2015
Max 1hr Hum Fall 11% 14:27 10% 14%, 2009 9%, 2016
Max 10m Wind Speed 10.3 mph 15:27 8.5 mph 14.0 mph, 2015 3.9 mph, 2009
Minimum Feels-like 15.7 °C 05:59 16.8 °C 20.7 °C, 2010 15.1 °C, 2013
Maximum Feels-like 22.9 °C 15:54 26.4 °C 31.7 °C, 2013 22.6 °C, 2011
Mean Feels-like 18.9 °C 21.6 °C 25.3 °C, 2010 18.8 °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 6.4 °C (-2.3) 8.4 °C (-0.7) 14.2 °C (+5.5), 2013 4.9 °C (-3.8), 2015
Humidity Range 27% 31% 54%, 2013 25%, 2011
Pressure Range 4 hPa 6 hPa 8 hPa, 2012 2 hPa, 2010
Measure Value [% of max] Month cumul. Record High Record Low
Sun Hours 2.5 [17%]146 hrs (90%) [37%] 5 [35%], 2013 0.4 [3%], 2015
Wet Hours 1
[Mean rain rate: 2.2 mm/h]
37 hrs (123%) [5.6%] 7, 2009 0, 2011
Cloud Cover am: Mostly Cloudy
pm: Partly Cloudy
Events None
Comments pm Showers
Extra Comments
Issues Rn data from N16
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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