Year,Value,Europe,Temp,May,(°C)
1940,9.611
1941,8.217
1942,10.089
1943,11.356
1944,10.222
1945,9.541
1946,10.69
1947,10.547
1948,12.36
1949,11.538
1950,11.205
1951,9.398
1952,9.924
1953,10.949
1954,11.411
1955,10.182
1956,10.631
1957,11.13
1958,11.069
1959,11.016
1960,10.936
1961,10.273
1962,11.028
1963,12.495
1964,10.832
1965,9.262
1966,11.271
1967,11.725
1968,10.754
1969,9.845
1970,10.478
1971,10.824
1972,10.446
1973,11.449
1974,9.751
1975,12.111
1976,10.739
1977,11.49
1978,9.585
1979,12.196
1980,9.468
1981,10.829
1982,11.161
1983,11.567
1984,12.173
1985,10.984
1986,11.336
1987,10.731
1988,11.531
1989,11.863
1990,10.822
1991,10.492
1992,11.425
1993,12.048
1994,10.286
1995,11.745
1996,11.653
1997,11.04
1998,11.497
1999,9.683
2000,11.453
2001,11.422
2002,11.445
2003,13.051
2004,10.973
2005,12.538
2006,11.809
2007,12.605
2008,11.12
2009,12.009
2010,12.704
2011,12.527
2012,13.009
2013,12.891
2014,12.54
2015,12.574
2016,12.739
2017,10.828
2018,13.624
2019,11.939
2020,11.344
2021,12.078
2022,11.487
2023,12.494
2024,11.688
2025,11.728