The figure shows trends in annual precipitation across Europe between Jan 1960 and Jan 2012. The trends are calculated using a median of pairwise slopes algorithm (Sen, 1968 ) (Lazante, 1996). Black dots represent high confidence in the sign of the long-term trend in the box (if the 5th to 95th percentile slopes are of the same sign). Boxes which have a thick outline contain at least three stations. Area averaged annual time series of percentage changes and trend lines are shown below each map for one area in northern Europe (Blue line, 5.6o to 16.9oE and 56.2o to 66.2oN) and one in south-western Europe (red line, 350.6o to 1.9oE and 36.2o to 43.7oN). Refer to (Met Office, 2012) for full explanation of methodology
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