Wet November: Warm, wet, dull autumn

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Armagh Observatory reports that November was much wetter than average, the wettest November for five years and the fifth wettest November since rainfall records at Armagh began in 1838.

The mean monthly temperature and the number of hours of strong sunshine were both about average.

Total rainfall amounted to 149.2mm, which is twice the most recent (1981-2010) 30-year average November rainfall at Armagh. The wettest day was the 13th, with 36.8mm of precipitation.

The mean monthly temperature was 7.0 degrees Celsius, the same as the most recent 30-year average for November at Armagh. The warmest day was 13.5 degrees C on the 6th, while the coolest night was the 27th, with a minimum air temperature of minus 3.2 degrees C. There were 58.9 hours of strong sunshine, also about average for November at Armagh.

Taking the meteorological autumn months of September, October and November together, autumn 2014 had a mean temperature of nearly 10.5 degrees Celsius, nearly 0.4 degrees warmer than the most recent (1981-2010) 30-year average autumn temperature at Armagh. Fifteen of the last 20 autumns have been warmer than the most recent 30-year average.

There was a total of 255.85mm (10 inches) of rainfall during these autumn months, approximately 12 percent more than the most recent 30-year autumn average at Armagh. The total number of hours of strong sunshine, namely 251.5 hours, was slightly less than the corresponding most recent 30-year autumn average. Autumn 2014 was warmer, wetter and slightly duller than average at Armagh.