Daily Report for 24th July 2017

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Measure Value (anomaly) Time Month cumul. Record High Record Low
Minimum Temperature 14.1 °C (+0.2) 04:20 15.4 °C (+2.2) 16.4 °C (+2.4), 2016 10.6 °C (-3.3), 2011
Maximum Temperature 17.6 °C (-5.1) 17:21 24.0 °C (+1.6) 30.0 °C (+7.3), 2012 16.5 °C (-6.2), 2015
Mean Temperature 15.8 °C (-2.5) 19.6 °C (+1.9) 22.7 °C, 2012 14.4 °C, 2015
Minimum Humidity 73% 18:25 47% 73%, 2017 30%, 2012
Maximum Humidity 86% 06:22 79% 94%, 2009 81%, 2011
Mean Humidity 79% 63% 84%, 2009 50%, 2012
Minimum Pressure 1011 hPa 23:57 1012 hPa 1020 hPa, 2010 1004 hPa, 2015
Maximum Pressure 1018 hPa 22:02 1018 hPa 1024 hPa, 2010 1012 hPa, 2011
Mean Pressure 1015 hPa 1016 hPa 1022 hPa, 2010 1009 hPa, 2015
Mean Wind Speed 3.7 mph (-0.6) 3.7 mph (-0.6) 6.3 mph, 2016 2.2 mph, 2012
Maximum Wind Speed 11.4 mph 11:09 11.4 mph 16.9 mph, 2016 9.2 mph, 2012
Maximum Gust 19.9 mph 08:43 17.5 mph 25.8 mph, 2016 13.0 mph, 2012
Mean Wind Direction NNW
Rainfall 2.2 mm 61.0 mm (188%) 31.9 mm, 2015
Maximum Hourly Rain 1.0 mm 04:15 11.2 mm, 2015
Maximum 10-min Rain 0.4 mm 03:45 2.6 mm, 2015
Maximum Rain Rate 1.8 mm/h 03:58 42 mm/h, 2015
Minimum Dew Point 10.8 °C 23:53 9.2 °C 11.7 °C, 2013 3.4 °C, 2011
Maximum Dew Point 13.3 °C 10:40 14.4 °C 17.1 °C, 2014 10.0 °C, 2011
Mean Dew Point 12.1 °C 11.8 °C 13.6 °C, 2016 6.8 °C, 2011
Measure Value Time Month cumul. Record High Record Low
Night Minimum (21-09) 14.1 °C 04:20 15.6 °C 16.4 °C, 2016 10.6 °C, 2011
Day Maximum (09-21) 17.6 °C 17:21 24.0 °C 30.0 °C, 2012 15.8 °C, 2015
Max 10m Temp Rise 0.5 °C 17:00 0.6 °C 1.2 °C, 2012 0.4 °C, 2015
Max 1hr Temp Rise 1.1 °C 11:19 2.2 °C 5.5 °C, 2012 0.5 °C, 2015
Max 1hr Hum Rise 4% 01:01 8% 19%, 2015 4%, 2017
Max 10m Temp Fall 0.3 °C 13:02 0.5 °C 0.9 °C, 2009 0.3 °C, 2016
Max 1hr Temp Fall 0.9 °C 20:28 1.8 °C 3.2 °C, 2009 0.9 °C, 2017
Max 1hr Hum Fall 5% 11:32 10% 18%, 2012 1%, 2015
Max 10m Wind Speed 8.2 mph 02:08 8.4 mph 13.6 mph, 2016 4.3 mph, 2009
Minimum Feels-like 15.9 °C 03:58 17.0 °C 18.8 °C, 2013 10.6 °C, 2011
Maximum Feels-like 20.5 °C 17:06 26.6 °C 31.6 °C, 2012 18.5 °C, 2015
Mean Feels-like 18.1 °C 21.8 °C 24.5 °C, 2014 15.8 °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 3.5 °C (-5.2) 8.6 °C (-0.6) 16.5 °C (+7.8), 2012 3.5 °C (-5.2), 2017
Humidity Range 13% 32% 58%, 2014 13%, 2017
Pressure Range 7 hPa 6 hPa 11 hPa, 2015 3 hPa, 2013
Measure Value [% of max] Month cumul. Record High Record Low
Sun Hours 0 [0%]138 hrs (95%) [39%] 14.4 [100%], 2012 0 [0%], 2015
Wet Hours 6
[Mean rain rate: 0.4 mm/h]
34 hrs (127%) [5.8%] 11, 2015 0, 2010
Cloud Cover Overcast
Events None
Comments o.night Rain
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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