Year,Value,Global,SST,Mar,(°C) 1940,18.151 1941,18.163 1942,18.199 1943,17.933 1944,18.237 1945,18.14 1946,18.138 1947,18.114 1948,18.067 1949,18.074 1950,18.05 1951,17.979 1952,18.191 1953,18.168 1954,18.104 1955,17.97 1956,17.969 1957,18.154 1958,18.198 1959,18.164 1960,18.155 1961,18.222 1962,18.073 1963,18.068 1964,18.062 1965,17.96 1966,18.137 1967,18.123 1968,17.918 1969,18.279 1970,18.157 1971,17.951 1972,18.063 1973,18.238 1974,17.992 1975,18.059 1976,17.918 1977,18.133 1978,18.101 1979,18.231 1980,18.355 1981,18.193 1982,18.248 1983,18.415 1984,18.205 1985,18.112 1986,18.182 1987,18.335 1988,18.327 1989,18.223 1990,18.259 1991,18.369 1992,18.222 1993,18.243 1994,18.216 1995,18.339 1996,18.224 1997,18.303 1998,18.546 1999,18.328 2000,18.266 2001,18.437 2002,18.465 2003,18.474 2004,18.412 2005,18.48 2006,18.407 2007,18.395 2008,18.32 2009,18.418 2010,18.577 2011,18.39 2012,18.34 2013,18.458 2014,18.466 2015,18.508 2016,18.746 2017,18.687 2018,18.577 2019,18.661 2020,18.729 2021,18.575 2022,18.602 2023,18.713 2024,18.922 2025,18.836