Daily Report for 21st June 2017

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Measure Value (anomaly) Time Month cumul. Record High Record Low
Minimum Temperature 15.6 °C (+4.2) 04:59 13.9 °C (+3.0) 15.6 °C (+4.2), 2017 11.4 °C (-0.0), 2012
Maximum Temperature 33.0 °C (+12.2) 18:36 24.4 °C (+4.6) 33.0 °C (+12.2), 2017 19.8 °C (-1.0), 2012
Mean Temperature 24.5 °C (+8.2) 19.3 °C (+3.8) 24.5 °C, 2017 15.6 °C, 2012
Minimum Humidity 39% 18:36 44% 66%, 2013 36%, 2014
Maximum Humidity 84% 05:45 80% 94%, 2012 69%, 2014
Mean Humidity 62% 62% 81%, 2012 51%, 2014
Minimum Pressure 1011 hPa 21:52 1012 hPa 1023 hPa, 2009 1001 hPa, 2012
Maximum Pressure 1020 hPa 07:47 1019 hPa 1026 hPa, 2009 1011 hPa, 2011
Mean Pressure 1016 hPa 1016 hPa 1024 hPa, 2009 1006 hPa, 2012
Mean Wind Speed 3.0 mph (-1.4) 4.8 mph (+0.4) 8.2 mph, 2011 2.4 mph, 2010
Maximum Wind Speed 8.9 mph 13:54 12.5 mph 19.7 mph, 2011 7.5 mph, 2010
Maximum Gust 12.6 mph 13:13 18.6 mph 32.9 mph, 2011 10.6 mph, 2010
Mean Wind Direction SE
Rainfall 0.0 mm 29.0 mm (75%) 6.9 mm, 2012
Maximum Hourly Rain n/a 4.3, 2012
Maximum 10-min Rain n/a 4.3, 2012
Maximum Rain Rate n/a 90, 2013
Minimum Dew Point 12.7 °C 04:50 8.8 °C 12.7 °C, 2017 6.0 °C, 2015
Maximum Dew Point 18.9 °C 14:07 13.6 °C 18.9 °C, 2017 10.8 °C, 2014
Mean Dew Point 16.1 °C 11.3 °C 16.1 °C, 2017 8.5 °C, 2014
Measure Value Time Month cumul. Record High Record Low
Night Minimum (21-09) 15.6 °C 04:59 14.0 °C 15.6 °C, 2017 11.9 °C, 2009
Day Maximum (09-21) 33.0 °C 18:36 24.4 °C 33.0 °C, 2017 19.8 °C, 2012
Max 10m Temp Rise 0.6 °C 07:47 0.6 °C 1.0 °C, 2012 0.5 °C, 2010
Max 1hr Temp Rise 2.4 °C 08:13 2.3 °C 2.4 °C, 2017 1.5 °C, 2015
Max 1hr Hum Rise 6% 22:36 9% 16%, 2014 6%, 2016
Max 10m Temp Fall 0.5 °C 19:54 0.5 °C 0.8 °C, 2013 0.3 °C, 2016
Max 1hr Temp Fall 2.1 °C 20:42 1.8 °C 2.7 °C, 2013 1.1 °C, 2016
Max 1hr Hum Fall 10% 10:56 10% 16%, 2015 6%, 2010
Max 10m Wind Speed 6.1 mph 15:23 9.2 mph 15.0 mph, 2011 6.1 mph, 2017
Minimum Feels-like 18.2 °C 04:38 15.0 °C 18.2 °C, 2017 12.4 °C, 2012
Maximum Feels-like 38.7 °C 17:45 26.8 °C 38.7 °C, 2017 20.9 °C, 2015
Mean Feels-like 29.3 °C 21.3 °C 29.3 °C, 2017 18.1 °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 17.4 °C (+8.0) 10.5 °C (+1.6) 17.4 °C (+8.0), 2017 5.6 °C (-3.8), 2015
Humidity Range 45% 36% 47%, 2015 21%, 2013
Pressure Range 9 hPa 7 hPa 10 hPa, 2012 2 hPa, 2010
Measure Value [% of max] Month cumul. Record High Record Low
Sun Hours 14 [93%]171 hrs (129%) [54%] 14 [93%], 2017 1 [7%], 2012
Wet Hours 019 hrs (73%) [3.7%] 4, 2012 0, 2009
Cloud Cover Sunny or Hazy
Events None
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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