Daily Report for 18th July 2017

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Measure Value (anomaly) Time Month cumul. Record High Record Low
Minimum Temperature 16.5 °C (+2.8) 05:44 15.8 °C (+2.8) 17.5 °C (+3.8), 2014 11.2 °C (-2.5), 2010
Maximum Temperature 25.9 °C (+3.3) 15:57 25.1 °C (+2.8) 31.2 °C (+8.6), 2014 18.4 °C (-4.2), 2011
Mean Temperature 21.0 °C (+3.1) 20.3 °C (+2.8) 24.1 °C, 2014 15.1 °C, 2011
Minimum Humidity 41% 15:15 44% 71%, 2012 22%, 2016
Maximum Humidity 79% 23:48 78% 95%, 2014 70%, 2013
Mean Humidity 60% 60% 85%, 2012 52%, 2013
Minimum Pressure 1011 hPa 22:06 1014 hPa 1025 hPa, 2013 995 hPa, 2011
Maximum Pressure 1023 hPa 04:22 1020 hPa 1027 hPa, 2013 1000 hPa, 2011
Mean Pressure 1018 hPa 1018 hPa 1026 hPa, 2013 998 hPa, 2011
Mean Wind Speed 4.1 mph (-0.2) 3.4 mph (-0.9) 7.2 mph, 2011 2.1 mph, 2016
Maximum Wind Speed 19.3 mph 22:16 10.9 mph 19.3 mph, 2017 9.2 mph, 2016
Maximum Gust 29.4 mph 22:16 16.5 mph 29.4 mph, 2017 14.5 mph, 2016
Mean Wind Direction ESE
Rainfall 1.0 mm 40.6 mm (166%) 11.7 mm, 2014
Maximum Hourly Rain 1.0 mm 22:35 6.0 mm, 2014
Maximum 10-min Rain 1.0 mm 22:35 4.5 mm, 2014
Maximum Rain Rate 18 mm/h 22:33 72 mm/h, 2014
Minimum Dew Point 10.9 °C 12:37 9.1 °C 12.2 °C, 2012 4.1 °C, 2010
Maximum Dew Point 14.6 °C 17:03 14.4 °C 20.1 °C, 2014 11.0 °C, 2015
Mean Dew Point 12.5 °C 11.8 °C 15.8 °C, 2014 7.9 °C, 2015
Measure Value Time Month cumul. Record High Record Low
Night Minimum (21-09) 16.5 °C 05:44 15.8 °C 17.5 °C, 2014 11.2 °C, 2010
Day Maximum (09-21) 25.9 °C 15:57 25.1 °C 31.2 °C, 2014 18.2 °C, 2012
Max 10m Temp Rise 0.6 °C 10:22 0.6 °C 1.2 °C, 2009 0.5 °C, 2011
Max 1hr Temp Rise 2.3 °C 11:04 2.2 °C 2.8 °C, 2016 1.7 °C, 2012
Max 1hr Hum Rise 13% 23:10 8% 19%, 2009 7%, 2012
Max 10m Temp Fall 0.7 °C 22:44 0.5 °C 1.8 °C, 2009 0.4 °C, 2012
Max 1hr Temp Fall 2.0 °C 23:30 1.9 °C 3.5 °C, 2010 1.4 °C, 2012
Max 1hr Hum Fall 18% 11:17 10% 22%, 2014 10%, 2010
Max 10m Wind Speed 10.2 mph 22:20 7.9 mph 11.4 mph, 2011 4.2 mph, 2009
Minimum Feels-like 18.7 °C 05:39 17.4 °C 22.2 °C, 2014 11.2 °C, 2010
Maximum Feels-like 28.2 °C 15:54 27.6 °C 36.5 °C, 2014 20.6 °C, 2011
Mean Feels-like 23.6 °C 22.6 °C 28.7 °C, 2014 17.1 °C, 2011
Air-frost Hrs 0 hrs 0 hrs 0 hrs, 2009 0 hrs, 2009
Measure Value (anomaly) Month cumul. Record High Record Low
Temperature Range 9.4 °C (+0.5) 9.3 °C (+0.0) 14.5 °C (+5.6), 2016 4.0 °C (-4.9), 2012
Humidity Range 38% 34% 65%, 2014 21%, 2012
Pressure Range 12 hPa 7 hPa 12 hPa, 2012 2 hPa, 2013
Measure Value [% of max] Month cumul. Record High Record Low
Sun Hours 8 [55%]122 hrs (112%) [46%] 14.6 [100%], 2016 0.1 [1%], 2012
Wet Hours 0.5
[Mean rain rate: 2.0 mm/h]
15 hrs (73%) [3.4%] 3, 2011 0, 2010
Cloud Cover Sunny or Hazy
Events None
Comments 2230 Shower
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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