Daily Report for 25th August 2017

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Measure Value (anomaly) Time Month cumul. Record High Record Low
Minimum Temperature 11.2 °C (-1.6) 06:21 13.6 °C (+0.2) 18.5 °C (+5.7), 2016 11.2 °C (-1.6), 2017
Maximum Temperature 24.6 °C (+2.8) 17:47 21.5 °C (-0.9) 27.5 °C (+5.7), 2016 16.8 °C (-5.0), 2014
Mean Temperature 18.2 °C (+0.6) 17.4 °C (-0.3) 22.5 °C, 2016 14.6 °C, 2010
Minimum Humidity 44% 18:12 51% 68%, 2015 44%, 2017
Maximum Humidity 85% 07:50 82% 98%, 2013 85%, 2016
Mean Humidity 64% 67% 87%, 2014 64%, 2017
Minimum Pressure 1014 hPa 18:51 1014 hPa 1014 hPa, 2017 999 hPa, 2012
Maximum Pressure 1020 hPa 09:05 1019 hPa 1020 hPa, 2017 1006 hPa, 2012
Mean Pressure 1018 hPa 1017 hPa 1018 hPa, 2017 1002 hPa, 2012
Mean Wind Speed 1.0 mph (-3.0) 4.0 mph (-0.0) 6.5 mph, 2015 1.0 mph, 2017
Maximum Wind Speed 7.3 mph 13:18 11.5 mph 16.6 mph, 2015 6.9 mph, 2014
Maximum Gust 10.5 mph 16:18 17.6 mph 25.1 mph, 2015 10.2 mph, 2014
Mean Wind Direction SW
Rainfall 0.0 mm 77.2 mm (181%) 38.5 mm, 2014
Maximum Hourly Rain n/a 9.2, 2014
Maximum 10-min Rain n/a 3.3, 2014
Maximum Rain Rate n/a 36, 2014
Minimum Dew Point 8.2 °C 05:37 8.2 °C 15.7 °C, 2016 7.4 °C, 2014
Maximum Dew Point 12.8 °C 09:15 13.4 °C 19.0 °C, 2016 12.6 °C, 2009
Mean Dew Point 10.8 °C 10.9 °C 17.1 °C, 2016 10.5 °C, 2009
Measure Value Time Month cumul. Record High Record Low
Night Minimum (21-09) 11.2 °C 06:21 13.7 °C 18.5 °C, 2016 11.2 °C, 2017
Day Maximum (09-21) 24.6 °C 17:47 21.5 °C 27.5 °C, 2016 16.8 °C, 2014
Max 10m Temp Rise 0.6 °C 08:14 0.6 °C 0.7 °C, 2010 0.2 °C, 2014
Max 1hr Temp Rise 2.8 °C 08:47 2.1 °C 2.8 °C, 2017 1.0 °C, 2014
Max 1hr Hum Rise 9% 21:00 8% 24%, 2009 6%, 2014
Max 10m Temp Fall 0.7 °C 20:18 0.6 °C 1.2 °C, 2009 0.2 °C, 2014
Max 1hr Temp Fall 2.7 °C 20:13 1.8 °C 3.3 °C, 2009 0.4 °C, 2014
Max 1hr Hum Fall 12% 09:43 9% 18%, 2013 1%, 2014
Max 10m Wind Speed 4.6 mph 16:32 8.5 mph 12.8 mph, 2015 4.6 mph, 2017
Minimum Feels-like 11.7 °C 06:08 14.7 °C 22.9 °C, 2016 11.7 °C, 2017
Maximum Feels-like 26.8 °C 17:39 23.7 °C 33.4 °C, 2016 21.2 °C, 2010
Mean Feels-like 19.9 °C 19.2 °C 27.8 °C, 2016 16.4 °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 13.4 °C (+4.4) 7.9 °C (-1.1) 13.4 °C (+4.4), 2017 3.3 °C (-5.7), 2014
Humidity Range 41% 31% 41%, 2011 23%, 2015
Pressure Range 6 hPa 5 hPa 14 hPa, 2014 5 hPa, 2009
Measure Value [% of max] Month cumul. Record High Record Low
Sun Hours 12.5 [98%]135 hrs (91%) [40%] 12.5 [98%], 2017 0 [0%], 2014
Wet Hours 040 hrs (129%) [6.6%] 16, 2014 0, 2017
Cloud Cover Sunny with periods of Mostly Sunny
Events Maximum possible sunshine
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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