Cold Tongue Index (C*100, 6N-6S,180-90W SST anomaly minus global mean) 1 -999 1845 2009 Cold Tongue Index (C*100, 6N-6S,180-90W SST anomaly minus global mean) http//jisao.washington.edu/enso/; -999 for missing value. values * 100; 1950-79 climatology. 1845 2009 1 jan feb mar apr may jun jul aug sep oct nov dec 1845 62 70 51 21 -999 -999 -999 -999 -999 -999 -999 39 1846 -45 -999 -999 -999 -999 -999 -999 -999 -999 -999 -999 -999 1847 -999 -999 -999 -117 -999 -999 -999 -999 -999 -999 -999 -999 1848 -999 -999 -999 -999 -999 -71 -999 -999 -999 -999 -999 -999 1849 -128 -285 -60 -6 -13 -41 7 5 -83 -58 -80 -137 1850 -77 -67 -56 -91 46 43 69 40 41 -11 -25 2 1851 -20 -74 42 -38 40 -1 -44 -23 100 86 13 -13 1852 -15 2 -56 -77 -15 77 120 46 100 88 132 2 1853 25 -8 12 -48 -16 -11 12 -35 9 16 24 100 1854 29 31 26 -16 63 58 86 15 -51 42 -60 -68 1855 50 66 21 -26 39 52 64 115 -24 115 131 -999 1856 149 54 0 25 -14 -56 -2 -62 -42 -16 -5 -88 1857 -92 61 -43 -78 3 67 180 110 4 69 -999 -999 1858 61 48 83 12 28 81 -67 -52 -67 123 38 -5 1859 -52 44 -14 -108 2 -65 34 114 -114 -9 -27 3 1860 -61 -33 -92 -58 -68 -999 -999 -999 -999 -999 -51 -72 1861 -999 -999 -37 -999 -999 -999 115 -999 -58 -999 -999 -999 1862 -999 -999 36 -999 -999 -999 100 -999 -3 -999 -77 -999 1863 -999 -999 -999 -83 -30 -999 -999 -999 -999 -999 -999 -999 1864 -999 -999 -999 -999 -999 14 -999 199 -999 -999 161 -999 1865 -999 -999 -999 -999 -999 -999 -999 -999 -999 -999 0 -999 1866 -999 -999 -999 -999 -999 -999 -999 -999 -999 -999 -999 -999 1867 -999 -999 -999 -999 -999 310 -999 -999 -999 -999 -999 -999 1868 -169 -999 40 18 -999 44 9 -999 226 258 273 -999 1869 -999 -999 -999 -999 -999 30 -21 -999 -170 10 -65 -88 1870 -133 -16 102 60 -999 -23 -87 -55 -83 -999 -98 55 1871 -999 -31 39 64 51 -34 68 -4 49 26 -12 -23 1872 -10 -29 -62 56 -11 -999 -87 28 -56 -26 -87 -75 1873 -76 -85 -58 -999 -999 -12 22 18 -999 -24 -36 -122 1874 -83 -90 -38 -108 -999 7 -15 -98 22 -60 -96 -143 1875 4 -92 -7 -35 -14 28 -8 -50 -30 -69 -86 -49 1876 65 -78 -135 -128 -54 -15 81 71 37 107 107 48 1877 144 36 54 163 92 202 68 184 188 240 225 226 1878 185 108 -999 83 55 -999 13 28 -13 -48 9 -73 1879 -24 39 2 4 -36 -50 -10 -54 23 -59 -57 -67 1880 -138 13 -5 177 -999 10 4 19 58 111 38 28 1881 49 17 62 51 33 38 68 11 80 -13 -7 -28 1882 -28 -47 42 35 40 -38 -73 -31 6 -50 -47 -59 1883 -63 -29 65 107 51 -3 12 54 18 20 9 5 1884 -17 2 60 3 105 7 35 59 64 132 125 108 1885 75 10 66 36 54 84 -13 50 86 70 118 124 1886 51 -40 -18 -121 -999 -71 -82 -76 -57 -68 -68 -116 1887 -101 -78 -42 -22 40 -11 -7 -32 48 -2 47 28 1888 83 132 70 81 102 100 88 95 169 189 214 219 1889 259 188 51 78 70 35 -20 -61 -111 -102 -99 -51 1890 -44 26 -124 5 -1 -27 -26 -24 0 2 -55 38 1891 44 31 15 92 68 90 56 112 -20 38 70 6 1892 17 -1 4 -30 -23 -53 -999 -23 -89 -107 -100 -78 1893 -94 -125 -85 -44 -58 -25 -28 -54 -51 -31 -40 -50 1894 -44 33 -45 -37 20 -13 69 -1 -2 -50 11 -47 1895 -10 -60 17 28 50 75 32 48 96 89 117 83 1896 82 23 56 33 41 52 142 157 113 134 185 204 1897 170 152 68 -42 -8 28 78 -29 22 -12 -14 -42 1898 8 -55 -57 -32 -5 -21 -26 -58 3 -26 -44 -51 1899 -38 -12 -69 19 12 21 43 90 112 125 172 164 1900 148 150 100 75 96 90 88 58 32 86 24 58 1901 58 29 3 38 10 23 -42 -7 31 38 46 23 1902 50 68 62 76 88 106 212 172 182 207 214 186 1903 187 153 118 42 54 13 -23 -47 -15 2 -45 -63 1904 4 17 35 4 19 75 129 138 78 149 130 140 1905 164 122 146 125 182 186 140 135 198 164 139 120 1906 146 69 35 70 30 -20 -30 -99 -25 -56 -92 -6 1907 -19 -39 -52 -5 33 47 97 29 93 43 62 66 1908 -12 85 20 -10 4 -54 -49 -1 -82 -33 -51 -63 1909 -45 -104 -12 -21 -60 -50 -24 -82 -44 -94 -96 -120 1910 -67 -14 -89 -114 -41 -37 -13 -43 -46 4 -45 -6 1911 -43 -59 -46 -32 49 40 113 126 129 139 175 225 1912 161 120 77 113 49 -10 27 -23 58 30 -13 1 1913 -4 35 32 13 8 57 55 38 66 57 95 135 1914 123 73 71 84 61 35 76 75 166 99 157 103 1915 69 119 101 50 120 99 -76 128 -3 -63 -67 -53 1916 8 50 -34 53 6 -10 -81 -154 -76 -150 -98 -75 1917 -79 25 -28 42 -1 33 -39 -999 54 0 -155 -65 1918 21 -44 11 -30 62 96 104 117 134 99 228 234 1919 132 177 46 38 79 47 23 24 85 42 37 106 1920 86 -82 92 19 96 98 34 -9 54 17 -1 5 1921 10 38 -51 1 -40 -3 6 -22 49 4 -17 27 1922 -30 6 27 39 43 -38 -1 -29 -8 -69 -56 3 1923 -22 -39 21 26 53 58 71 64 113 98 98 90 1924 46 42 43 -10 -48 -21 -49 -63 -64 -51 -63 -45 1925 -65 -39 1 4 12 50 65 87 90 85 134 118 1926 127 95 88 89 85 -7 46 3 -14 -43 -35 -43 1927 25 39 -28 -30 19 4 -16 9 33 50 30 47 1928 35 21 11 27 37 -31 18 7 14 -2 3 14 1929 -34 -15 35 28 36 45 31 33 66 47 51 39 1930 47 34 33 51 52 26 86 79 117 118 162 159 1931 166 107 94 90 57 23 20 15 -28 -48 -47 -44 1932 -14 18 57 34 95 54 19 9 15 30 4 -1 1933 -1 36 -9 12 -37 -44 -62 -69 -37 -102 -77 -85 1934 -51 -43 -22 19 13 -8 -4 19 6 -15 0 -50 1935 -62 -51 -4 -26 -17 -4 -14 30 29 29 23 7 1936 32 29 24 45 25 -22 -23 -16 11 21 -9 -5 1937 -31 -22 -3 22 -3 17 9 -7 4 -15 17 -12 1938 -59 -12 -61 -71 -61 -79 -102 -62 -89 -8 -80 -41 1939 -7 16 -41 79 38 53 74 67 68 -34 -33 29 1940 104 97 83 -5 80 55 51 22 53 50 79 120 1941 121 121 109 107 112 116 111 64 44 56 111 123 1942 90 64 26 40 -3 0 -35 -85 -117 -90 -120 -105 1943 -125 -106 -94 -58 -59 -13 3 20 -2 -68 -59 -43 1944 -46 -18 -10 21 21 3 25 18 25 -42 -36 -29 1945 -58 -45 -105 -126 -24 -999 -71 -41 -20 -33 -34 33 1946 -999 23 -11 38 54 -47 -48 -62 47 -30 -28 50 1947 46 35 28 35 48 46 -25 -22 -25 -38 -19 -3 1948 38 36 56 50 38 -32 -70 -23 -35 -46 -2 16 1949 -65 46 -2 61 29 -27 -20 -41 -82 -108 -130 -57 1950 -115 -127 -43 -66 -74 -51 -98 -49 -83 -88 -99 -30 1951 -37 -41 -25 57 61 6 143 119 72 115 155 109 1952 65 23 -9 35 -5 -44 -41 -43 -18 -30 -32 -26 1953 41 40 45 95 68 55 51 17 86 26 48 15 1954 -10 0 15 -91 -94 -104 -102 -97 -97 -107 -81 -86 1955 -26 16 -47 -37 -92 -88 -94 -67 -112 -134 -178 -142 1956 -110 -52 -39 -11 -23 -8 -22 -49 -50 -44 -67 -56 1957 -54 -1 39 66 102 124 150 118 107 84 122 127 1958 136 116 87 37 28 43 36 23 -22 4 8 4 1959 5 8 43 46 21 -13 -23 -22 -22 41 9 10 1960 3 -7 18 10 4 -18 -22 -12 18 -28 -52 -26 1961 -8 51 10 5 -8 22 -52 -52 -81 -102 -28 -29 1962 -16 7 -26 -84 -49 -22 -39 -25 -37 -40 -55 -76 1963 -41 -33 6 7 8 21 63 70 69 64 78 85 1964 68 17 -15 -62 -103 -106 -44 -60 -38 -50 -60 -77 1965 -10 14 33 54 114 135 131 159 147 155 158 141 1966 128 78 37 3 -18 -15 13 -6 -24 -2 -48 -52 1967 -39 -17 -23 -22 15 31 -18 -94 -82 -69 -54 -49 1968 -70 -81 -81 -42 -45 -3 31 54 44 45 59 77 1969 73 39 41 52 105 72 30 66 70 92 91 113 1970 68 21 -15 6 -28 -66 -116 -89 -69 -61 -101 -69 1971 -111 -82 -58 -39 -34 -36 -38 -66 -42 -63 -61 -78 1972 -14 -9 11 60 87 107 159 179 157 188 194 212 1973 163 47 19 -44 -55 -72 -112 -110 -86 -83 -88 -107 1974 -106 -64 -47 -13 -2 11 0 3 -4 -54 -52 -66 1975 -21 -36 -19 8 -27 -70 -61 -57 -70 -77 -78 -120 1976 -100 -30 -11 3 48 103 100 135 111 117 108 67 1977 97 56 47 -22 -5 -1 14 -4 10 39 37 61 1978 55 40 -2 -38 -38 -49 -42 -60 -18 8 7 33 1979 -16 8 11 25 38 35 2 21 62 53 59 37 1980 36 9 19 20 41 48 1 -6 22 -7 33 41 1981 -61 -55 -22 -35 -7 -2 -37 -49 10 -13 -30 24 1982 31 -6 11 30 73 100 78 105 173 183 243 270 1983 227 168 146 137 197 160 111 88 79 -10 -39 -48 1984 -27 -25 17 -30 -48 -99 -30 -19 -9 -73 -41 -76 1985 -79 -72 -79 -58 -73 -44 -49 -31 -52 -41 -47 -41 1986 -50 -13 -12 -20 -24 -25 20 21 37 17 94 84 1987 123 115 104 109 121 114 125 133 154 122 101 93 1988 37 13 -7 -44 -117 -158 -132 -95 -56 -103 -106 -108 1989 -76 -51 -87 -65 -31 -17 -60 -32 -16 -19 -28 -27 1990 -15 12 6 -17 29 -2 0 22 15 16 -4 -14 1991 19 0 1 -1 49 78 64 52 45 95 110 134 1992 149 135 105 109 112 46 37 11 17 -10 2 10 1993 12 29 49 86 101 90 68 59 77 77 68 44 1994 24 -3 -6 -9 16 30 12 39 62 89 112 96 1995 80 63 9 -15 -26 -9 -19 -46 -51 -66 -80 -71 1996 -55 -73 -53 -62 -39 -39 -21 -26 -28 -31 -33 -60 1997 -39 -29 -12 35 91 114 162 191 215 219 251 242 1998 215 160 120 71 55 -28 -76 -75 -59 -107 -131 -160 1999 -161 -125 -94 -98 -68 -77 -75 -97 -75 -100 -132 -149 2000 -150 -123 -82 -43 -47 -60 -51 -52 -41 -62 -71 -82 2001 -70 -64 -42 -28 -31 -16 -8 -17 -9 -24 -32 -48 2002 -15 -1 -5 5 20 53 54 63 94 90 127 106 2003 82 46 28 -26 -62 -47 -16 -24 0 17 19 23 2004 16 -7 -25 -26 -5 -9 10 27 51 44 55 49 2005 67 37 20 -3 9 -5 -10 -15 -6 -15 -57 -82 2006 -75 -45 -51 -27 -2 -5 2 31 61 62 93 93 2007 55 14 -11 -29 -39 -45 -51 -58 -79 -126 -144 -126 2008 -157 -128 -99 -86 -58 -54 -12 -7 -24 -35 -37 -74 2009 -59 -61 -55 -15 23 17 -999 -999 -999 -999 -999 -999