Daily Report for 22nd September 2014

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Measure Value (anomaly) Time Month cumul. Record High Record Low
Minimum Temperature 7.8 °C (-2.9) 07:00 12.6 °C (+1.2) 13.7 °C (+3.0), 2013 6.0 °C (-4.7), 2012
Maximum Temperature 17.7 °C (-0.0) 15:15 20.3 °C (+1.0) 22.9 °C (+5.2), 2010 15.1 °C (-2.6), 2012
Mean Temperature 12.2 °C (-1.5) 16.3 °C (+1.1) 16.7 °C, 2013 11.1 °C, 2012
Minimum Humidity 50% 15:11 59% 81%, 2013 45%, 2012
Maximum Humidity 92% 08:14 94% 96%, 2013 86%, 2011
Mean Humidity 75% 80% 91%, 2013 67%, 2012
Minimum Pressure 1024 hPa 20:10 1017 hPa 1026 hPa, 2013 1013 hPa, 2010
Maximum Pressure 1028 hPa 05:11 1021 hPa 1029 hPa, 2013 1019 hPa, 2010
Mean Pressure 1026 hPa 1019 hPa 1028 hPa, 2013 1016 hPa, 2010
Mean Wind Speed 1.7 mph (-2.2) 2.6 mph (-1.3) 6.0 mph, 2009 1.7 mph, 2014
Maximum Wind Speed 7.1 mph 15:56 8.2 mph 14.0 mph, 2010 7.1 mph, 2014
Maximum Gust 8.1 mph 15:56 11.4 mph 19.7 mph, 2010 8.1 mph, 2014
Mean Wind Direction NNW
Rainfall 0.0 mm 38.9 mm (93%) 0.0 mm, 2009
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 6.1 °C 06:53 10.4 °C 12.8 °C, 2013 1.7 °C, 2012
Maximum Dew Point 9.7 °C 09:54 15.1 °C 16.6 °C, 2013 8.2 °C, 2012
Mean Dew Point 7.6 °C 12.5 °C 15.2 °C, 2013 4.7 °C, 2012
Measure Value Time Month cumul. Record High Record Low
Night Minimum (21-09) 7.8 °C 07:00 12.7 °C 16.2 °C, 2013 6.0 °C, 2012
Day Maximum (09-21) 17.7 °C 15:15 20.3 °C 22.9 °C, 2010 15.1 °C, 2012
Max 10m Temp Rise 0.7 °C 09:48 0.5 °C 0.8 °C, 2012 0.3 °C, 2013
Max 1hr Temp Rise 2.5 °C 09:57 2.0 °C 3.6 °C, 2010 0.9 °C, 2013
Max 1hr Hum Rise 8% 18:59 7% 8%, 2010 6%, 2013
Max 10m Temp Fall 0.5 °C 18:45 0.4 °C 0.6 °C, 2013 0.3 °C, 2010
Max 1hr Temp Fall 2.5 °C 19:33 1.6 °C 2.5 °C, 2014 1.0 °C, 2012
Max 1hr Hum Fall 13% 10:48 11% 15%, 2010 5%, 2013
Max 10m Wind Speed 4.5 mph 11:32 5.7 mph 9.7 mph, 2010 4.5 mph, 2014
Minimum Feels-like 6.2 °C 07:06 14.3 °C 16.6 °C, 2013 2.9 °C, 2012
Maximum Feels-like 18.2 °C 15:13 23.4 °C 25.0 °C, 2010 15.1 °C, 2012
Mean Feels-like 12.3 °C 18.9 °C 20.8 °C, 2013 10.5 °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 9.9 °C (+2.9) 7.7 °C (-0.2) 12.1 °C (+5.1), 2010 5.4 °C (-1.6), 2013
Humidity Range 42% 35% 49%, 2010 15%, 2013
Pressure Range 4 hPa 4 hPa 6 hPa, 2010 3 hPa, 2009
Measure Value [% of max] Month cumul. Record High Record Low
Sun Hours [0%]86 hrs (83%) [33%] 10 [90%], 2012 [0%], 2014
Wet Hours 9.5 hrs (32%) [1.8%] 0, 2009 , 2014
Cloud Cover not available
Events None
Comments
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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