El Niño and La Niña Years from the MEI.ext
The values below were calculated using the Extended Multivariate ENSO Index (MEI.ext).
Top 24 Events
Ranked El Niño Events by 3-Month Season |
| Rank | DJF | JFM | FMA | MAM | AMJ | MJJ | JJA | JAS | ASO | SON | OND | NDJ |
| 1 | 1983 | 1983 | 1983 | 1983 | 1983 | 1997 | 1997 | 1997 | 1997 | 1997 | 1997 | 1997 |
| 2 | 1998 | 1998 | 1998 | 1998 | 1992 | 1983 | 1987 | 1987 | 1987 | 1982 | 1982 | 1982 |
| 3 | 1973 | 1992 | 1992 | 1992 | 1998 | 1992 | 1972 | 1972 | 1972 | 1972 | 1972 | 1972 |
| 4 | 1931 | 1931 | 1931 | 1987 | 1987 | 1987 | 1983 | 1982 | 1982 | 1987 | 1902 | 1930 |
| 5 | 1992 | 1973 | 1987 | 1941 | 1941 | 1941 | 1905 | 1905 | 1905 | 1902 | 1930 | 1965 |
| 6 | 1966 | 1919 | 1941 | 1931 | 1993 | 1993 | 1982 | 1902 | 1965 | 1930 | 1987 | 1902 |
| 7 | 1919 | 1987 | 1926 | 1926 | 1900 | 1900 | 1902 | 1965 | 1902 | 1965 | 1941* | 1991 |
| 8 | 1926 | 1941 | 1958 | 1993 | 1997 | 1905 | 1941 | 1957 | 1930 | 1941 | 1965* | 1941 |
| 9 | 1958 | 2010 | 1919 | 1958 | 1958 | 1958 | 1992 | 1941 | 1941 | 1905 | 1925 | 1925 |
| 10 | 1897 | 1958 | 2010 | 1900 | 1940 | 1902 | 1957 | 1930 | 1957 | 1925 | 1994 | 1987 |
| 11 | 2010 | 1966 | 1973 | 1940 | 1931 | 1972 | 1965 | 1896 | 1896 | 1896 | 1905 | 1896 |
| 12 | 1987 | 1926 | 1900 | 1919 | 1915 | 1940 | 1958 | 1918 | 1925 | 1957 | 1896 | 1994 |
| 13 | 1942 | 1897 | 1993 | 1915 | 1926 | 1982 | 1940 | 1983 | 1914 | 1994 | 1986 | 1986 |
| 14 | 1988 | 1995 | 1966 | 1905 | 1905 | 1915 | 1993 | 1940 | 1918 | 1986 | 2006 | 1957 |
| 15 | 1941 | 1915 | 1897 | 2010 | 1919 | 1998 | 1900 | 1919 | 1951 | 2006 | 2009 | 2009 |
| 16 | 1995 | 1900 | 1940 | 1980 | 1980 | 1957 | 1919 | 1914 | 2009 | 1914 | 1957 | 2006 |
| 17 | 1915 | 2003 | 1905 | 1897 | 1930 | 1919 | 1930 | 1951 | 1986 | 2009 | 2002 | 1918 |
| 18 | 2003 | 1942 | 1915 | 1969 | 1969 | 1926 | 2009 | 1958 | 1963 | 1963 | 1991 | 2002 |
| 19 | 1903 | 1993 | 1969 | 1930 | 1902* | 1930 | 1969 | 2009 | 1940 | 1976 | 1914 | 1914 |
| 20 | 1900 | 1988 | 1995 | 1966 | 1991* | 1969 | 1932 | 1992 | 1976 | 2002 | 1918 | 1905 |
| 21 | 1906 | 1969 | 2003 | 1995 | 1982 | 1991 | 1915 | 1969 | 1899 | 1951 | 1963 | 1940 |
| 22 | 2007 | 1905 | 1980 | 1959 | 1932 | 2012 | 2012 | 1993 | 1919 | 1993 | 1993 | 1977 |
| 23 | 1978 | 1903 | 1942 | 1991 | 1994 | 1932 | 2014 | 1932 | 1994 | 1918 | 1976 | 1899 |
| 24 | 1980 | 1940 | 1903 | 1932 | 1995 | 2014 | 1991 | 2006 | 2006 | 1899 | 1977 | 1963 |
Ranked La Niña Events by 3-Month Season |
| Rank | DJF | JFM | FMA | MAM | AMJ | MJJ | JJA | JAS | ASO | SON | OND | NDJ |
| 1 | 1974 | 1974 | 1974 | 1971 | 1910 | 1910 | 1910 | 1916 | 1975 | 1975 | 1975 | 1975 |
| 2 | 1917 | 1917 | 1971 | 1910 | 1971 | 1955 | 1955 | 1975 | 1916 | 1955 | 1955 | 1955 |
| 3 | 1956 | 2011 | 1917 | 1974 | 1917 | 1971 | 1916 | 1910 | 2010 | 2010 | 1916 | 1916 |
| 4 | 1976 | 1956 | 1910 | 1917 | 1955 | 1917 | 1950 | 2010 | 1988 | 1916 | 2010 | 1973 |
| 5 | 2011 | 1976 | 2011 | 1956 | 1956 | 1956 | 1909 | 1955 | 1955 | 1988 | 1988 | 2010 |
| 6 | 1989 | 1971 | 1956 | 1950 | 1911 | 1950 | 1975 | 1909 | 1909 | 1973 | 1973 | 1988 |
| 7 | 1910 | 1910 | 1976 | 1955 | 1950 | 1911 | 1971 | 1988 | 1973 | 1909 | 1909 | 1909 |
| 8 | 1971 | 2008 | 2008 | 1976 | 1974 | 1909 | 1988 | 1950 | 1910 | 1910 | 1910 | 1910 |
| 9 | 1951 | 1989 | 1950 | 1989 | 1908 | 1975 | 1956* | 1924 | 1950 | 1971 | 2007 | 1950 |
| 10 | 2000 | 2000 | 2000 | 2000 | 1989 | 1908 | 1917* | 1973 | 1924 | 1950 | 1950 | 1917 |
| 11 | 1918 | 1951 | 1989 | 1999 | 1999 | 1916 | 1924 | 1938 | 1971 | 2007 | 1971 | 1942 |
| 12 | 2008 | 1904 | 1999 | 2011 | 1975 | 1938 | 1938 | 1964 | 1970 | 1964 | 1917 | 1999 |
| 13 | 1943 | 1934 | 1955 | 1911 | 1909 | 1964 | 1964 | 1970 | 1964 | 1970 | 1908 | 1970 |
| 14 | 1934 | 1999 | 1904 | 1908 | 2000 | 1989 | 2010 | 1971 | 1938 | 1917 | 1970 | 2007 |
| 15 | 1904 | 1950 | 1951 | 2008 | 1907 | 1974 | 1970 | 1917 | 1917 | 1924 | 1942 | 1908 |
| 16 | 1999 | 1918 | 1918 | 1916 | 1916 | 1924 | 1973 | 1956 | 1954 | 1933 | 1954 | 1933 |
| 17 | 1911 | 1943 | 1934 | 1975 | 1938 | 1999 | 1908 | 1954 | 1933 | 1954* | 1964 | 1954 |
| 18 | 1950 | 1955 | 1939 | 1921 | 1921 | 1907 | 1974 | 1933 | 1942 | 1942* | 1933 | 2011 |
| 19 | 1955 | 1939 | 1898 | 1904 | 1962 | 1962 | 1989 | 1942 | 2007 | 1908 | 1999 | 1998 |
| 20 | 1909 | 1911 | 1916 | 1907 | 1964 | 1988 | 1999 | 1908 | 1956 | 1906 | 1956 | 1903 |
| 21 | 2012 | 1985 | 1943 | 1909 | 1895 | 2000 | 1911 | 1967 | 1908 | 1956 | 1974 | 1974 |
| 22 | 1925 | 1909 | 1985 | 1898 | 1985 | 1921 | 1954 | 1974 | 1898 | 2011 | 2011 | 1949 |
| 23 | 1939 | 1895 | 1895 | 1985 | 1976 | 1967 | 1933 | 1999 | 1906 | 1999 | 1924 | 1956 |
| 24 | 1962 | 1925 | 1911 | 1895 | 1968 | 1933 | 1967 | 1898 | 1967 | 1938 | 1906 | 1924 |
Ranked Values by 3-Month Seasons for 1895-2015
Rank of Seasonal Values |
| Year | DJF | JFM | FMA | MAM | AMJ | MJJ | JJA | JAS | ASO | SON | OND | NDJ |
| 1895 | ---- | 23 | 23 | 24 | 21 | 26 | 48 | 66 | 75 | 71 | 66 | 61 |
| 1896 | 54 | 55 | 50 | 54 | 67 | 85 | 95 | 110 | 110 | 110 | 109 | 110 |
| 1897 | 111 | 108 | 106 | 104 | 91 | 78 | 61 | 49 | 39 | 38 | 40 | 42 |
| 1898 | 37 | 28 | 19 | 22 | 26 | 31 | 33 | 24 | 22 | 28 | 36 | 41 |
| 1899 | 36 | 33 | 37 | 45 | 55 | 71 | 79 | 95 | 100 | 97 | 96 | 98 |
| 1900 | 101 | 105 | 109 | 111 | 114 | 114 | 106 | 91 | 77 | 77 | 78 | 80 |
| 1901 | 81 | 79 | 73 | 58 | 50 | 51 | 56 | 55 | 49 | 39 | 38 | 37 |
| 1902 | 45 | 54 | 67 | 84 | 101 | 111 | 114 | 115 | 114 | 116 | 117 | 115 |
| 1903 | 102 | 98 | 97 | 83 | 58 | 35 | 28 | 29 | 32 | 32 | 28 | 20 |
| 1904 | 15 | 12 | 14 | 19 | 29 | 46 | 66 | 77 | 89 | 89 | 89 | 90 |
| 1905 | 92 | 99 | 104 | 107 | 107 | 113 | 116 | 116 | 116 | 112 | 110 | 101 |
| 1906 | 100 | 91 | 84 | 78 | 77 | 63 | 46 | 30 | 23 | 20 | 24 | 27 |
| 1907 | 25 | 25 | 25 | 20 | 15 | 18 | 31 | 51 | 59 | 56 | 47 | 40 |
| 1908 | 39 | 36 | 27 | 14 | 9 | 10 | 17 | 20 | 21 | 19 | 13 | 15 |
| 1909 | 20 | 22 | 26 | 21 | 13 | 8 | 5 | 6 | 6 | 7 | 7 | 7 |
| 1910 | 7 | 7 | 4 | 2 | 1 | 1 | 1 | 3 | 8 | 8 | 8 | 8 |
| 1911 | 17 | 20 | 24 | 13 | 6 | 7 | 21 | 45 | 71 | 81 | 86 | 92 |
| 1912 | 95 | 96 | 96 | 87 | 72 | 44 | 30 | 32 | 42 | 54 | 59 | 60 |
| 1913 | 65 | 68 | 57 | 35 | 27 | 32 | 58 | 72 | 80 | 83 | 84 | 86 |
| 1914 | 91 | 93 | 92 | 89 | 79 | 81 | 88 | 105 | 108 | 105 | 102 | 102 |
| 1915 | 104 | 106 | 103 | 108 | 109 | 107 | 100 | 78 | 64 | 44 | 34 | 35 |
| 1916 | 35 | 31 | 20 | 16 | 16 | 11 | 3 | 1 | 2 | 4 | 3 | 3 |
| 1917 | 2 | 2 | 3 | 4 | 3 | 4 | 9 | 15 | 15 | 14 | 12 | 10 |
| 1918 | 11 | 16 | 16 | 26 | 32 | 67 | 93 | 109 | 107 | 98 | 101 | 104 |
| 1919 | 114 | 115 | 112 | 109 | 106 | 104 | 105 | 106 | 99 | 90 | 81 | 73 |
| 1920 | 75 | 84 | 89 | 85 | 78 | 66 | 53 | 42 | 40 | 52 | 54 | 66 |
| 1921 | 63 | 50 | 32 | 18 | 18 | 22 | 26 | 27 | 31 | 34 | 39 | 43 |
| 1922 | 40 | 38 | 45 | 50 | 49 | 41 | 36 | 36 | 36 | 36 | 32 | 30 |
| 1923 | 28 | 32 | 34 | 33 | 36 | 57 | 74 | 86 | 94 | 96 | 95 | 95 |
| 1924 | 89 | 78 | 66 | 44 | 25 | 16 | 11 | 9 | 10 | 15 | 23 | 24 |
| 1925 | 22 | 24 | 39 | 48 | 53 | 65 | 72 | 89 | 109 | 111 | 112 | 112 |
| 1926 | 113 | 109 | 114 | 114 | 108 | 103 | 96 | 82 | 72 | 60 | 58 | 62 |
| 1927 | 67 | 69 | 62 | 49 | 38 | 33 | 40 | 50 | 60 | 70 | 75 | 76 |
| 1928 | 77 | 76 | 76 | 60 | 53 | 64 | 65 | 58 | 40 | 37 | 46 | 49 |
| 1929 | 55 | 57 | 48 | 51 | 62 | 77 | 84 | 85 | 90 | 87 | 82 | 79 |
| 1930 | 80 | 87 | 95 | 102 | 104 | 102 | 104 | 111 | 113 | 115 | 116 | 117 |
| 1931 | 117 | 117 | 117 | 115 | 110 | 93 | 81 | 71 | 68 | 67 | 69 | 71 |
| 1932 | 71 | 73 | 83 | 97 | 99 | 98 | 101 | 98 | 79 | 63 | 55 | 55 |
| 1933 | 57 | 52 | 44 | 37 | 31 | 24 | 23 | 18 | 17 | 16 | 18 | 16 |
| 1934 | 14 | 13 | 17 | 31 | 37 | 47 | 50 | 53 | 57 | 57 | 56 | 52 |
| 1935 | 50 | 48 | 40 | 39 | 44 | 56 | 59 | 63 | 70 | 76 | 77 | 74 |
| 1936 | 73 | 70 | 78 | 76 | 81 | 79 | 70 | 69 | 67 | 68 | 71 | 75 |
| 1937 | 74 | 71 | 70 | 59 | 48 | 40 | 44 | 54 | 63 | 69 | 65 | 56 |
| 1938 | 46 | 44 | 35 | 28 | 17 | 12 | 12 | 11 | 14 | 24 | 29 | 29 |
| 1939 | 23 | 19 | 18 | 25 | 33 | 53 | 68 | 79 | 88 | 85 | 80 | 78 |
| 1940 | 85 | 97 | 105 | 110 | 111 | 109 | 108 | 107 | 102 | 95 | 94 | 100 |
| 1941 | 106 | 113 | 115 | 116 | 116 | 116 | 113 | 112 | 112 | 113 | 113 | 113 |
| 1942 | 108 | 103 | 98 | 95 | 74 | 42 | 25 | 19 | 18 | 17 | 15 | 11 |
| 1943 | 13 | 17 | 21 | 36 | 52 | 75 | 71 | 65 | 50 | 41 | 42 | 45 |
| 1944 | 49 | 61 | 69 | 70 | 70 | 69 | 63 | 56 | 47 | 46 | 45 | 44 |
| 1945 | 44 | 42 | 41 | 40 | 41 | 43 | 39 | 31 | 38 | 55 | 64 | 64 |
| 1946 | 52 | 49 | 47 | 47 | 42 | 45 | 52 | 61 | 65 | 73 | 74 | 72 |
| 1947 | 70 | 66 | 55 | 43 | 39 | 39 | 42 | 35 | 30 | 31 | 33 | 46 |
| 1948 | 60 | 72 | 82 | 80 | 76 | 68 | 62 | 60 | 53 | 53 | 52 | 54 |
| 1949 | 59 | 59 | 49 | 53 | 57 | 49 | 34 | 26 | 29 | 27 | 26 | 22 |
| 1950 | 18 | 15 | 9 | 6 | 7 | 6 | 4 | 8 | 9 | 10 | 10 | 9 |
| 1951 | 9 | 11 | 15 | 29 | 43 | 76 | 90 | 104 | 106 | 100 | 92 | 89 |
| 1952 | 86 | 85 | 81 | 77 | 73 | 58 | 47 | 48 | 56 | 61 | 60 | 63 |
| 1953 | 69 | 77 | 86 | 94 | 88 | 86 | 76 | 75 | 83 | 79 | 72 | 69 |
| 1954 | 64 | 64 | 60 | 56 | 47 | 30 | 22 | 17 | 16 | 17 | 16 | 17 |
| 1955 | 19 | 18 | 13 | 7 | 4 | 2 | 2 | 5 | 5 | 2 | 2 | 2 |
| 1956 | 3 | 4 | 6 | 5 | 5 | 5 | 9 | 16 | 20 | 21 | 20 | 23 |
| 1957 | 30 | 46 | 61 | 75 | 96 | 105 | 111 | 113 | 111 | 109 | 105 | 107 |
| 1958 | 112 | 111 | 113 | 112 | 112 | 112 | 109 | 103 | 86 | 78 | 79 | 81 |
| 1959 | 87 | 92 | 94 | 99 | 95 | 89 | 85 | 73 | 69 | 64 | 63 | 57 |
| 1960 | 61 | 65 | 68 | 63 | 65 | 60 | 51 | 47 | 43 | 44 | 50 | 51 |
| 1961 | 58 | 63 | 63 | 62 | 68 | 70 | 64 | 62 | 52 | 42 | 37 | 32 |
| 1962 | 24 | 26 | 33 | 32 | 19 | 19 | 27 | 34 | 34 | 33 | 35 | 38 |
| 1963 | 42 | 39 | 42 | 46 | 56 | 72 | 83 | 94 | 103 | 103 | 100 | 97 |
| 1964 | 94 | 89 | 74 | 42 | 20 | 13 | 13 | 12 | 13 | 12 | 17 | 26 |
| 1965 | 33 | 45 | 51 | 64 | 85 | 95 | 110 | 114 | 115 | 114 | 113 | 116 |
| 1966 | 115 | 110 | 107 | 101 | 92 | 87 | 75 | 68 | 62 | 59 | 61 | 58 |
| 1967 | 47 | 37 | 30 | 30 | 28 | 23 | 24 | 21 | 24 | 29 | 31 | 36 |
| 1968 | 38 | 35 | 29 | 27 | 24 | 25 | 32 | 44 | 66 | 82 | 85 | 87 |
| 1969 | 93 | 100 | 102 | 103 | 103 | 101 | 102 | 100 | 93 | 92 | 91 | 88 |
| 1970 | 88 | 86 | 79 | 71 | 51 | 27 | 15 | 13 | 12 | 13 | 14 | 13 |
| 1971 | 8 | 6 | 2 | 1 | 2 | 3 | 7 | 14 | 11 | 9 | 11 | 25 |
| 1972 | 32 | 47 | 53 | 69 | 94 | 110 | 118 | 118 | 118 | 118 | 118 | 118 |
| 1973 | 118 | 116 | 110 | 96 | 64 | 28 | 16 | 10 | 7 | 6 | 6 | 4 |
| 1974 | 1 | 1 | 1 | 3 | 8 | 15 | 18 | 22 | 27 | 26 | 21 | 21 |
| 1975 | 26 | 34 | 28 | 17 | 12 | 9 | 6 | 2 | 1 | 1 | 1 | 1 |
| 1976 | 4 | 5 | 7 | 8 | 23 | 54 | 78 | 92 | 101 | 102 | 98 | 91 |
| 1977 | 90 | 88 | 88 | 86 | 83 | 82 | 86 | 84 | 92 | 94 | 97 | 99 |
| 1978 | 98 | 95 | 93 | 81 | 63 | 48 | 54 | 59 | 58 | 62 | 73 | 82 |
| 1979 | 82 | 75 | 75 | 72 | 80 | 84 | 82 | 80 | 91 | 93 | 93 | 96 |
| 1980 | 97 | 94 | 99 | 105 | 105 | 96 | 92 | 81 | 78 | 74 | 70 | 68 |
| 1981 | 56 | 53 | 58 | 65 | 71 | 62 | 55 | 57 | 61 | 65 | 67 | 67 |
| 1982 | 66 | 67 | 71 | 82 | 100 | 108 | 115 | 117 | 117 | 119 | 119 | 119 |
| 1983 | 120 | 120 | 120 | 120 | 120 | 119 | 117 | 108 | 82 | 66 | 62 | 65 |
| 1984 | 62 | 58 | 56 | 55 | 45 | 37 | 35 | 40 | 45 | 49 | 43 | 33 |
| 1985 | 27 | 21 | 22 | 23 | 22 | 29 | 38 | 38 | 37 | 43 | 53 | 53 |
| 1986 | 51 | 51 | 54 | 57 | 66 | 74 | 77 | 88 | 104 | 107 | 108 | 108 |
| 1987 | 109 | 114 | 116 | 117 | 117 | 117 | 119 | 119 | 119 | 117 | 115 | 111 |
| 1988 | 107 | 101 | 91 | 74 | 46 | 20 | 8 | 7 | 4 | 5 | 5 | 6 |
| 1989 | 6 | 9 | 11 | 9 | 10 | 14 | 19 | 25 | 35 | 40 | 51 | 59 |
| 1990 | 72 | 83 | 90 | 92 | 86 | 80 | 69 | 70 | 73 | 75 | 76 | 77 |
| 1991 | 76 | 80 | 85 | 98 | 101 | 100 | 97 | 83 | 81 | 91 | 103 | 114 |
| 1992 | 116 | 118 | 118 | 118 | 119 | 118 | 112 | 101 | 84 | 86 | 90 | 93 |
| 1993 | 96 | 102 | 108 | 113 | 115 | 115 | 107 | 99 | 96 | 99 | 99 | 94 |
| 1994 | 83 | 82 | 80 | 90 | 98 | 94 | 94 | 93 | 98 | 108 | 111 | 109 |
| 1995 | 105 | 107 | 101 | 100 | 97 | 90 | 80 | 67 | 54 | 47 | 44 | 39 |
| 1996 | 41 | 43 | 43 | 38 | 35 | 34 | 43 | 46 | 44 | 48 | 49 | 47 |
| 1997 | 43 | 41 | 52 | 88 | 113 | 120 | 120 | 120 | 120 | 120 | 120 | 120 |
| 1998 | 119 | 119 | 119 | 119 | 118 | 106 | 67 | 33 | 26 | 25 | 27 | 19 |
| 1999 | 16 | 14 | 12 | 11 | 11 | 17 | 20 | 23 | 25 | 23 | 19 | 12 |
| 2000 | 10 | 10 | 10 | 10 | 14 | 21 | 29 | 41 | 46 | 51 | 41 | 34 |
| 2001 | 29 | 27 | 31 | 34 | 34 | 36 | 45 | 52 | 51 | 50 | 48 | 48 |
| 2002 | 53 | 60 | 65 | 73 | 87 | 91 | 89 | 87 | 95 | 101 | 104 | 103 |
| 2003 | 103 | 104 | 100 | 93 | 75 | 61 | 57 | 64 | 74 | 80 | 83 | 83 |
| 2004 | 79 | 74 | 72 | 66 | 69 | 73 | 73 | 76 | 87 | 88 | 88 | 84 |
| 2005 | 78 | 81 | 87 | 91 | 89 | 88 | 87 | 74 | 55 | 35 | 25 | 28 |
| 2006 | 34 | 40 | 36 | 41 | 59 | 83 | 91 | 97 | 97 | 106 | 107 | 105 |
| 2007 | 99 | 90 | 77 | 67 | 60 | 55 | 41 | 28 | 19 | 11 | 9 | 14 |
| 2008 | 12 | 8 | 8 | 15 | 40 | 59 | 60 | 43 | 33 | 30 | 30 | 31 |
| 2009 | 31 | 29 | 38 | 52 | 84 | 92 | 103 | 102 | 105 | 104 | 106 | 106 |
| 2010 | 110 | 112 | 111 | 106 | 82 | 38 | 14 | 4 | 3 | 3 | 4 | 5 |
| 2011 | 5 | 3 | 5 | 12 | 30 | 52 | 49 | 37 | 28 | 22 | 22 | 18 |
| 2012 | 21 | 30 | 46 | 68 | 90 | 99 | 99 | 90 | 76 | 72 | 68 | 70 |
| 2013 | 68 | 62 | 59 | 61 | 61 | 50 | 37 | 39 | 48 | 58 | 57 | 50 |
| 2014 | 48 | 56 | 64 | 79 | 93 | 97 | 98 | 96 | 85 | 84 | 87 | 85 |
| 2015 | 84 | | | | | | | | | | | |
* Tied Years
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