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) 10.0 °C (+2.0), 2018 4.8 °C (-3.2), 2012
Maximum Temperature 18.1 °C (+1.7) 15:58 16.1 °C (+0.4) 22.6 °C (+6.2), 2018 11.5 °C (-4.9), 2012
Mean Temperature 14.2 °C (+1.1) 12.0 °C (+0.8) 16.3 °C, 2018 7.5 °C, 2012
Minimum Humidity 65% 17:25 54% 65%, 2017 38%, 2014
Maximum Humidity 85% 10:48 82% 97%, 2015 73%, 2018
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 22.6 °C, 2018 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 10.0 °C, 2018 1.1 °C, 2012
Maximum Feels-like 20.4 °C 15:52 16.5 °C 25.5 °C, 2018 11.5 °C, 2012
Mean Feels-like 15.7 °C 11.8 °C 17.1 °C, 2018 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 2 hPa, 2018
Measure Value [% of max] Month cumul. Record High Record Low
Sun Hours 0 [0%]56 hrs (62%) [27%] 14 [99%], 2018 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 of the longest continuous period at that extreme value.
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 (entered with a delay of 1-10 days); 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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