Year,Value,Baltic Sea,SST,Jun,(°C) 1940,11.602 1941,9.37 1942,10.748 1943,13.018 1944,10.233 1945,12.663 1946,11.915 1947,12.331 1948,12.011 1949,10.969 1950,12.095 1951,10.527 1952,11.321 1953,11.213 1954,10.656 1955,8.742 1956,10.129 1957,9.612 1958,9.326 1959,10.989 1960,11.228 1961,11.679 1962,9.535 1963,11.674 1964,11.062 1965,10.182 1966,11.264 1967,9.999 1968,11.469 1969,11.192 1970,10.976 1971,10.047 1972,11.911 1973,13.597 1974,11.961 1975,12.319 1976,10.812 1977,11.878 1978,12.122 1979,12.494 1980,11.319 1981,11.512 1982,11.668 1983,11.77 1984,11.44 1985,10.77 1986,12.3 1987,8.788 1988,13.007 1989,13.124 1990,13.919 1991,10.483 1992,15.619 1993,12.891 1994,10.589 1995,12.409 1996,10.882 1997,12.828 1998,11.931 1999,13.607 2000,12.487 2001,12.242 2002,14.751 2003,13.073 2004,11.931 2005,12.467 2006,13.307 2007,14.63 2008,14.348 2009,12.207 2010,11.791 2011,13.825 2012,12.29 2013,14.148 2014,12.963 2015,12.572 2016,14.606 2017,12.699 2018,15.561 2019,14.538 2020,14.038 2021,16.159 2022,14.676 2023,15.029 2024,14.913