2010 – a year of weather extremes
Because of the cold periods at the start and end of the year, 2010 was slightly cooler than normally. The year is remembered for extreme weather events, for the cold winter and for new temperature records and storms in summer.
According to the Finnish Meteorological Institute’s statistics, the mean annual temperature for the whole of Finland in 2010 was 1.3° C, which is 0.6 degrees below the long-term average. The last equally cold year took place in 1987, when the annual mean temperature was 0.1° C.
The annual mean temperatures for 2010 ranged from about 5° C in Southwest Finland to about
–3° C in Northern Lapland.
The average precipitation for the whole country was about 560 millimetres, which is about 30 millimetres less than normally. The highest annual precipitation was measured in the area extending from Southwest Finland to Kainuu, where rainfall locally exceeded 650 millimetres. The least rain was measured in Western Lapland, where precipitation was locally under 450 millimetres. When compared against long-term averages, the eastern parts of the country and the west coast received the least rain.
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http://en.ilmatieteenlaitos.fi/press-release/125205
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