Daily Report for 16th June 2009

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Measure Value (anomaly) Time Month cumul. Record High Record Low
Minimum Temperature 10.9 °C (-0.2) 05:24 10.3 °C (-0.4) 13.8 °C (+2.7), 2016 8.1 °C (-3.0), 2015
Maximum Temperature 24.0 °C (+3.7) 14:01 19.7 °C (+0.2) 24.3 °C (+4.0), 2017 17.3 °C (-3.0), 2011
Mean Temperature 16.7 °C (+1.7) 14.7 °C (-0.1) 18.7 °C, 2017 13.9 °C, 2010
Minimum Humidity 35% 17:04 49% 60%, 2014 35%, 2009
Maximum Humidity 90% 06:41 87% 90%, 2009 76%, 2017
Mean Humidity 64% 70% 78%, 2011 57%, 2015
Minimum Pressure 1017 hPa 00:40 1012 hPa 1027 hPa, 2014 999 hPa, 2016
Maximum Pressure 1023 hPa 16:18 1017 hPa 1029 hPa, 2014 1002 hPa, 2016
Mean Pressure 1020 hPa 1015 hPa 1028 hPa, 2014 1000 hPa, 2016
Mean Wind Speed n/a (-4.4) 0.0 mph (-4.4) 10.3, 2012 1.9, 2016
Maximum Wind Speed n/a 0.0 mph 23, 2012 7.7, 2016
Maximum Gust n/a 0.0 mph 35.1, 2012 11.5, 2016
Mean Wind Direction n/a
Rainfall 0.3 mm 34.5 mm (118%) 14.7 mm, 2011
Maximum Hourly Rain 0.3 mm 01:11 8.5 mm, 2011
Maximum 10-min Rain 0.3 mm 01:11 0.5 mm, 2016
Maximum Rain Rate n/a 3.6, 2016
Minimum Dew Point 6.4 °C 21:41 5.9 °C 9.6 °C, 2016 4.1 °C, 2010
Maximum Dew Point 11.5 °C 10:16 11.6 °C 13.4 °C, 2017 7.8 °C, 2010
Mean Dew Point 9.2 °C 8.7 °C 11.4 °C, 2016 6.1 °C, 2010
Measure Value Time Month cumul. Record High Record Low
Night Minimum (21-09) 10.9 °C 10.5 °C 13.9 °C, 2016 8.1 °C, 2015
Day Maximum (09-21) 24.0 °C 19.7 °C 24.3 °C, 2017 17.3 °C, 2011
Max 10m Temp Rise 1.2 °C 13:16 0.8 °C 1.2 °C, 2009 0.5 °C, 2010
Max 1hr Temp Rise 3.9 °C 13:58 2.5 °C 3.9 °C, 2009 1.5 °C, 2014
Max 1hr Hum Rise 12% 18:21 8% 16%, 2012 5%, 2017
Max 10m Temp Fall 0.8 °C 14:13 0.6 °C 0.8 °C, 2009 0.4 °C, 2014
Max 1hr Temp Fall 2.4 °C 17:55 1.8 °C 2.4 °C, 2009 1.0 °C, 2014
Max 1hr Hum Fall 16% 10:19 12% 16%, 2009 8%, 2010
Max 10m Wind Speed n/a 0.0 mph 16.2, 2012 5.7, 2015
Minimum Feels-like n/a 0.0 °C 15.2, 2016 6.9, 2010
Maximum Feels-like n/a 0.0 °C 26.9, 2017 18.7, 2012
Mean Feels-like n/a 0.0 °C 20.2, 2017 13.6, 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 13.1 °C (+3.9) 9.4 °C (+0.6) 14.4 °C (+5.2), 2015 5.1 °C (-4.1), 2014
Humidity Range 55% 38% 55%, 2009 25%, 2014
Pressure Range 6 hPa 5 hPa 9 hPa, 2017 2 hPa, 2014
Measure Value [% of max] Month cumul. Record High Record Low
Sun Hours 9 [60%]92 hrs (90%) [38%] 10 [66%], 2010 0 [0%], 2014
Wet Hours 0.2
[Mean rain rate: 1.5 mm/h]
32 hrs (163%) [8.4%] 4, 2011 0, 2010
Cloud Cover not available
Events None
Comments 01 Moderate Shower
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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