Daily Report for 11th May 2017

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Measure Value (anomaly) Time Month cumul. Record High Record Low
Minimum Temperature 6.6 °C (-0.9) 05:28 7.4 °C (+0.5) 14.7 °C (+7.2), 2016 3.1 °C (-4.3), 2010
Maximum Temperature 21.1 °C (+5.2) 14:33 15.2 °C (-0.2) 21.7 °C (+5.8), 2015 9.2 °C (-6.7), 2010
Mean Temperature 14.1 °C (+2.2) 11.1 °C (+0.1) 16.8 °C, 2015 6.8 °C, 2010
Minimum Humidity 43% 13:45 54% 80%, 2016 37%, 2012
Maximum Humidity 82% 06:57 81% 94%, 2016 75%, 2010
Mean Humidity 62% 68% 88%, 2016 60%, 2009
Minimum Pressure 993 hPa 17:50 1012 hPa 1021 hPa, 2009 993 hPa, 2017
Maximum Pressure 1001 hPa 00:10 1021 hPa 1033 hPa, 2012 1001 hPa, 2017
Mean Pressure 995 hPa 1016 hPa 1023 hPa, 2012 995 hPa, 2017
Mean Wind Speed 2.5 mph (-2.2) 4.3 mph (-0.4) 9.9 mph, 2014 2.4 mph, 2016
Maximum Wind Speed 9.9 mph 15:57 10.9 mph 18.5 mph, 2013 8.6 mph, 2016
Maximum Gust 14.7 mph 13:24 17.3 mph 28.6 mph, 2014 11.5 mph, 2016
Mean Wind Direction ESE
Rainfall 1.0 mm 8.4 mm (46%) 17.7 mm, 2016
Maximum Hourly Rain 1.0 mm 23:45 8.1 mm, 2016
Maximum 10-min Rain 0.4 mm 23:26 4.1 mm, 2016
Maximum Rain Rate 2.0 mm/h 23:26 54 mm/h, 2016
Minimum Dew Point 3.0 °C 05:03 3.1 °C 8.3 °C, 2016 -1.2 °C, 2010
Maximum Dew Point 9.4 °C 11:07 7.4 °C 18.8 °C, 2016 1.4 °C, 2010
Mean Dew Point 6.5 °C 5.2 °C 14.4 °C, 2016 -0.2 °C, 2010
Measure Value Time Month cumul. Record High Record Low
Night Minimum (21-09) 6.6 °C 05:28 7.5 °C 14.7 °C, 2016 3.1 °C, 2010
Day Maximum (09-21) 21.1 °C 14:33 15.2 °C 21.7 °C, 2015 9.2 °C, 2010
Max 10m Temp Rise 0.8 °C 07:30 0.6 °C 1.0 °C, 2011 0.4 °C, 2010
Max 1hr Temp Rise 3.1 °C 11:28 1.8 °C 3.8 °C, 2011 1.2 °C, 2016
Max 1hr Hum Rise 14% 23:24 9% 24%, 2013 3%, 2016
Max 10m Temp Fall 0.4 °C 20:41 0.4 °C 1.3 °C, 2013 0.3 °C, 2010
Max 1hr Temp Fall 1.9 °C 21:19 1.4 °C 4.0 °C, 2013 1.2 °C, 2010
Max 1hr Hum Fall 16% 11:54 10% 18%, 2013 9%, 2015
Max 10m Wind Speed 7.0 mph 16:44 8.2 mph 13.4 mph, 2014 5.5 mph, 2010
Minimum Feels-like 5.4 °C 06:33 5.0 °C 14.9 °C, 2016 0.9 °C, 2010
Maximum Feels-like 21.8 °C 14:29 15.4 °C 24.6 °C, 2016 7.9 °C, 2010
Mean Feels-like 14.2 °C 10.4 °C 20.2 °C, 2016 4.9 °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 14.5 °C (+6.0) 7.8 °C (-0.7) 14.5 °C (+6.0), 2017 4.9 °C (-3.6), 2016
Humidity Range 39% 26% 53%, 2012 14%, 2016
Pressure Range 8 hPa 8 hPa 20 hPa, 2012 2 hPa, 2009
Measure Value [% of max] Month cumul. Record High Record Low
Sun Hours 3.3 [24%]43 hrs (66%) [29%] 11.6 [83%], 2009 0.5 [4%], 2016
Wet Hours 2
[Mean rain rate: 0.5 mm/h]
7 hrs (49%) [2.7%] 8, 2016 0, 2009
Cloud Cover Hazy with periods of Mostly Sunny
Events None
Comments 22- Rain
Extra Comments
Issues Rn data from casa
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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