Daily Report for 20th July 2018

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Measure Value (anomaly) Time Month cumul. Record High Record Low
Minimum Temperature 16.8 °C (+3.1) 05:11 15.1 °C (+2.0) 18.7 °C (+4.9), 2014 11.9 °C (-1.8), 2009
Maximum Temperature 24.5 °C (+1.9) 12:28 27.0 °C (+4.7) 30.1 °C (+7.5), 2016 18.6 °C (-4.0), 2012
Mean Temperature 20.8 °C (+2.4) 21.3 °C (+3.4) 24.3 °C, 2016 14.9 °C, 2012
Minimum Humidity 48% 00:27 39% 60%, 2012 31%, 2016
Maximum Humidity 77% 23:59 84% 93%, 2009 56%, 2010
Mean Humidity 62% 61% 78%, 2011 43%, 2010
Minimum Pressure 1013 hPa 20:04 1018 hPa 1021 hPa, 2013 1006 hPa, 2017
Maximum Pressure 1018 hPa 00:10 1021 hPa 1025 hPa, 2013 1010 hPa, 2011
Mean Pressure 1015 hPa 1020 hPa 1023 hPa, 2013 1009 hPa, 2017
Mean Wind Speed 2.9 mph (-1.4) 3.1 mph (-1.2) 8.3 mph, 2016 2.4 mph, 2011
Maximum Wind Speed 9.1 mph 12:24 10.4 mph 20.8 mph, 2016 7.8 mph, 2014
Maximum Gust 16.1 mph 12:25 16.0 mph 30.6 mph, 2016 10.7 mph, 2011
Mean Wind Direction S
Rainfall 0.0 mm 16.8 mm (62%) 5.7 mm, 2011
Maximum Hourly Rain n/a 4.6, 2011
Maximum 10-min Rain n/a 3, 2011
Maximum Rain Rate n/a 20, 2011
Minimum Dew Point 8.9 °C 01:19 10.1 °C 14.9 °C, 2014 1.0 °C, 2015
Maximum Dew Point 16.0 °C 20:09 15.2 °C 18.3 °C, 2016 12.3 °C, 2011
Mean Dew Point 13.1 °C 12.7 °C 16.4 °C, 2014 9.8 °C, 2010
Measure Value Time Month cumul. Record High Record Low
Night Minimum (21-09) 16.8 °C 05:11 15.1 °C 20.9 °C, 2016 11.9 °C, 2009
Day Maximum (09-21) 24.5 °C 12:28 27.0 °C 30.1 °C, 2016 18.6 °C, 2012
Max 10m Temp Rise 0.7 °C 08:28 0.9 °C 0.9 °C, 2013 0.4 °C, 2009
Max 1hr Temp Rise 1.8 °C 08:28 2.6 °C 3.0 °C, 2016 1.3 °C, 2011
Max 1hr Hum Rise 10% 03:15 14% 13%, 2015 6%, 2009
Max 10m Temp Fall 0.4 °C 02:44 0.9 °C 0.9 °C, 2012 0.3 °C, 2013
Max 1hr Temp Fall 1.4 °C 02:54 2.5 °C 3.4 °C, 2016 1.1 °C, 2013
Max 1hr Hum Fall 8% 08:49 13% 17%, 2017 7%, 2010
Max 10m Wind Speed 6.8 mph 13:56 7.7 mph 16.7 mph, 2016 3.7 mph, 2009
Minimum Feels-like 18.2 °C 05:11 17.2 °C 23.5 °C, 2014 11.9 °C, 2015
Maximum Feels-like 28.2 °C 12:20 29.9 °C 34.8 °C, 2016 20.5 °C, 2011
Mean Feels-like 23.7 °C 24.0 °C 28.4 °C, 2016 16.7 °C, 2012
Air-frost Hrs 0 hrs 0 hrs 0 hrs, 2009 0 hrs, 2009
Measure Value (anomaly) Month cumul. Record High Record Low
Temperature Range 7.7 °C (-1.2) 12.0 °C (+2.8) 11.4 °C (+2.5), 2016 5.1 °C (-3.8), 2017
Humidity Range 29% 45% 44%, 2017 21%, 2010
Pressure Range 5 hPa 4 hPa 11 hPa, 2010 2 hPa, 2011
Measure Value [% of max] Month cumul. Record High Record Low
Sun Hours 1 [7%]188 hrs (155%) [63%] 11 [75%], 2016 0 [0%], 2015
Wet Hours 07 hrs (32%) [1.5%] 4, 2011 0, 2009
Cloud Cover unknown
Events None
Comments blr
Extra Comments
Issues None known
Observer Absent? No
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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