Daily Report for 15th May 2017

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Measure Value (anomaly) Time Month cumul. Record High Record Low
Minimum Temperature 8.5 °C (+0.5) 03:15 8.4 °C (+1.2) 8.7 °C (+0.7), 2009 4.8 °C (-3.2), 2012
Maximum Temperature 18.1 °C (+1.7) 15:58 16.1 °C (+0.4) 20.9 °C (+4.5), 2014 11.5 °C (-4.9), 2012
Mean Temperature 14.2 °C (+1.1) 12.0 °C (+0.8) 14.7 °C, 2014 7.5 °C, 2012
Minimum Humidity 65% 17:25 54% 65%, 2017 38%, 2014
Maximum Humidity 85% 10:48 82% 97%, 2015 75%, 2010
Mean Humidity 78% 69% 81%, 2009 58%, 2010
Minimum Pressure 1024 hPa 06:06 1011 hPa 1033 hPa, 2014 987 hPa, 2013
Maximum Pressure 1028 hPa 17:12 1020 hPa 1036 hPa, 2014 1001 hPa, 2013
Mean Pressure 1025 hPa 1015 hPa 1035 hPa, 2014 994 hPa, 2013
Mean Wind Speed 6.2 mph (+1.5) 4.6 mph (-0.1) 8.5 mph, 2013 1.4 mph, 2014
Maximum Wind Speed 14.7 mph 14:56 11.6 mph 21.5 mph, 2013 6.7 mph, 2014
Maximum Gust 24.1 mph 15:31 18.2 mph 30.8 mph, 2013 8.7 mph, 2014
Mean Wind Direction SSW
Rainfall 1.1 mm 12.7 mm (51%) 5.9 mm, 2012
Maximum Hourly Rain 0.7 mm 19:29 2.5 mm, 2009
Maximum 10-min Rain 0.4 mm 19:29 1.2 mm, 2009
Maximum Rain Rate 1.0 mm/h 19:29 16 mm/h, 2009
Minimum Dew Point 5.1 °C 03:15 3.8 °C 6.0 °C, 2009 1.8 °C, 2013
Maximum Dew Point 13.2 °C 21:40 8.5 °C 13.2 °C, 2017 6.2 °C, 2012
Mean Dew Point 10.2 °C 6.2 °C 10.2 °C, 2017 3.3 °C, 2013
Measure Value Time Month cumul. Record High Record Low
Night Minimum (21-09) 8.5 °C 03:15 8.6 °C 11.7 °C, 2009 5.0 °C, 2012
Day Maximum (09-21) 18.1 °C 15:58 16.1 °C 20.9 °C, 2014 11.5 °C, 2012
Max 10m Temp Rise 0.5 °C 03:54 0.6 °C 0.8 °C, 2009 0.5 °C, 2011
Max 1hr Temp Rise 1.7 °C 04:26 1.8 °C 3.6 °C, 2014 1.2 °C, 2009
Max 1hr Hum Rise 13% 19:48 10% 15%, 2012 5%, 2011
Max 10m Temp Fall 0.5 °C 19:13 0.5 °C 1.6 °C, 2012 0.4 °C, 2010
Max 1hr Temp Fall 1.6 °C 19:45 1.6 °C 3.3 °C, 2012 1.0 °C, 2015
Max 1hr Hum Fall 8% 13:54 10% 17%, 2015 7%, 2010
Max 10m Wind Speed 12.5 mph 19:14 8.9 mph 16.4 mph, 2013 4.8 mph, 2014
Minimum Feels-like 7.5 °C 03:41 6.6 °C 8.6 °C, 2016 1.1 °C, 2012
Maximum Feels-like 20.4 °C 15:52 16.5 °C 21.0 °C, 2014 11.5 °C, 2012
Mean Feels-like 15.7 °C 11.8 °C 15.7 °C, 2017 6.2 °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 9.6 °C (+1.2) 7.8 °C (-0.7) 13.9 °C (+5.5), 2014 6.7 °C (-1.7), 2012
Humidity Range 20% 28% 49%, 2014 20%, 2017
Pressure Range 4 hPa 9 hPa 14 hPa, 2013 3 hPa, 2010
Measure Value [% of max] Month cumul. Record High Record Low
Sun Hours 0 [0%]56 hrs (62%) [27%] 10 [71%], 2014 0 [0%], 2017
Wet Hours 2
[Mean rain rate: 0.6 mm/h]
12 hrs (62%) [3.3%] 4, 2009 0, 2010
Cloud Cover Overcast
Events None
Comments some 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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Webcam Summary of Cloud Conditions

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