Daily Report for 31st May 2012

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Measure Value (anomaly) Time Month cumul. Record High Record Low
Minimum Temperature 14.0 °C (+3.9) 05:32 9.5 °C (+1.1) 14.0 °C (+3.9), 2012 6.8 °C (-3.3), 2014
Maximum Temperature 20.5 °C (+2.1) 14:15 17.5 °C (+0.7) 25.3 °C (+6.9), 2009 15.8 °C (-2.6), 2010
Mean Temperature 16.8 °C (+3.0) 13.6 °C (+0.9) 17.4 °C, 2009 12.7 °C, 2011
Minimum Humidity 48% 14:20 54% 57%, 2010 35%, 2011
Maximum Humidity 82% 05:32 88% 94%, 2014 79%, 2010
Mean Humidity 70% 72% 75%, 2013 63%, 2011
Minimum Pressure 1016 hPa 18:24 1013 hPa 1024 hPa, 2009 1012 hPa, 2011
Maximum Pressure 1018 hPa 23:53 1020 hPa 1027 hPa, 2011 1018 hPa, 2012
Mean Pressure 1017 hPa 1016 hPa 1025 hPa, 2014 1017 hPa, 2012
Mean Wind Speed 5.7 mph (+1.0) 4.8 mph (+0.1) 5.7 mph, 2012 1.0 mph, 2014
Maximum Wind Speed 15.2 mph 12.3 mph 15.2 mph, 2012 6.4 mph, 2014
Maximum Gust 21.9 mph 14:59 17.9 mph 21.9 mph, 2012 8.7 mph, 2014
Mean Wind Direction W
Rainfall 0.0 mm 44.6 mm (87%) 0.1 mm, 2011
Maximum Hourly Rain n/a n/a
Maximum 10-min Rain n/a n/a
Maximum Rain Rate n/a n/a
Minimum Dew Point 8.7 °C 15:53 5.3 °C 8.9 °C, 2013 1.7 °C, 2011
Maximum Dew Point 12.4 °C 12:46 10.7 °C 13.6 °C, 2013 8.8 °C, 2011
Mean Dew Point 11.1 °C 8.0 °C 11.1 °C, 2012 5.1 °C, 2011
Measure Value Time Month cumul. Record High Record Low
Night Minimum (21-09) 14.0 °C 05:31 9.7 °C 14.0 °C, 2012 6.8 °C, 2014
Day Maximum (09-21) 20.5 °C 14:15 17.5 °C 25.3 °C, 2009 15.8 °C, 2010
Max 10m Temp Rise 0.4 °C 09:52 0.6 °C 0.8 °C, 2013 0.4 °C, 2012
Max 1hr Temp Rise 1.8 °C 10:05 2.1 °C 3.4 °C, 2014 1.8 °C, 2012
Max 1hr Hum Rise 8% 16:49 8% 11%, 2013 5%, 2010
Max 10m Temp Fall 0.5 °C 14:28 0.5 °C 0.6 °C, 2013 0.3 °C, 2010
Max 1hr Temp Fall 1.9 °C 15:23 1.6 °C 2.6 °C, 2013 1.1 °C, 2010
Max 1hr Hum Fall 12% 14:17 11% 18%, 2014 9%, 2010
Max 10m Wind Speed 11.2 mph 15:07 8.1 mph 11.2 mph, 2012 3.9 mph, 2014
Minimum Feels-like 15.8 °C 05:05 8.8 °C 15.8 °C, 2012 5.6 °C, 2011
Maximum Feels-like 22.3 °C 13:28 18.9 °C 22.9 °C, 2013 17.2 °C, 2010
Mean Feels-like 18.6 °C 14.3 °C 18.6 °C, 2012 12.4 °C, 2011
Air-frost Hrs 0 hrs 0 hrs 0 hrs, 2009 0 hrs, 2009
Measure Value (anomaly) Month cumul. Record High Record Low
Temperature Range 6.5 °C (-1.8) 8.0 °C (-0.4) 15.1 °C (+6.8), 2009 5.3 °C (-3.0), 2010
Humidity Range 34% 34% 52%, 2011 22%, 2010
Pressure Range 2 hPa 6 hPa 15 hPa, 2011 2 hPa, 2009
Measure Value [% of max] Month cumul. Record High Record Low
Sun Hours 1 [7%]157 hrs (83%) [36%] 11.6 [78%], 2009 1 [7%], 2010
Wet Hours 0.238 hrs (94%) [5.1%] 0.3, 2011 0, 2009
Cloud Cover am: Overcast with periods of Hazy
pm: Overcast
Events None
Comments possible eve Drizzle
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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