Gulf of Guinea rainfall index 1 -999 1899 2001 Gulf of Guinea rainfall index *100. (8-4N,20W-10E) Standardized mean of avaliable standardized time series. http://jisao.washington.edu/data/guinea , -999 for missing 1899 2001 1 jan feb mar apr may jun jul aug sep oct nov dec 1899 54 21 -62 192 22 -115 133 17 130 1 -133 -90 1900 82 32 -158 27 -37 -8 73 -42 -49 4 56 -84 1901 -105 40 19 -40 11 -132 -85 36 149 78 7 -75 1902 -36 243 -130 84 163 25 -85 -82 -56 -36 -110 -38 1903 43 61 -178 -41 -120 -88 -35 -88 -57 28 -56 -97 1904 -96 -95 -34 -50 20 19 -88 -85 -66 -122 -70 181 1905 -105 43 -94 -52 3 47 62 4 -182 -67 -27 -11 1906 -31 -38 -163 -18 199 -114 -76 -71 -134 -73 -30 144 1907 -63 48 -82 132 -93 194 -60 -38 -1 -74 -35 34 1908 192 -121 -21 163 -14 -128 -111 -101 261 91 114 -13 1909 380 99 91 -21 -84 11 -54 13 -32 -58 -49 449 1910 -101 -73 -86 21 -19 80 160 206 -24 183 291 -3 1911 331 -95 436 144 243 262 -24 -90 -64 -48 136 104 1912 86 -131 -96 -62 -101 104 -31 -71 -95 -109 -4 -95 1913 42 281 -89 -43 -62 5 436 21 58 -86 10 32 1914 104 -9 46 -2 -27 156 -19 46 -145 -170 125 -55 1915 -999 -999 -999 -999 -999 -999 -999 -999 -999 -999 -999 -999 1916 -999 -999 -999 -999 -999 -999 -999 -999 -999 -999 -999 -999 1917 -999 -999 -999 -999 -999 -999 -999 -999 -999 -999 -999 -999 1918 -999 -999 -999 -999 -999 -999 -999 -999 -999 -999 -999 -999 1919 -999 -999 -999 -999 -999 -999 -999 -999 -999 -999 -999 -999 1920 -999 -999 -999 -999 -999 -999 -999 -999 -999 -999 -999 -999 1921 -999 -999 -999 -999 105 -102 -3 142 25 124 -35 -97 1922 -34 240 -93 -153 -126 40 -93 -65 -52 76 73 -116 1923 61 -94 20 158 -117 -28 84 -70 -67 -33 -164 -134 1924 73 -26 -8 132 -181 -130 -73 -49 105 374 -164 144 1925 -101 -109 83 -82 127 106 -45 147 -37 -91 101 -71 1926 -98 52 10 100 29 -21 -61 -61 29 -78 88 -107 1927 58 97 -83 14 -176 -46 -112 -109 -61 40 15 19 1928 60 -41 -18 24 -73 -203 -64 -52 -29 61 -139 35 1929 25 -29 -32 -32 4 189 -16 -8 -28 -45 134 85 1930 -57 -138 67 -24 97 27 -44 -77 -98 54 -67 -95 1931 51 -13 -44 -20 8 -12 -85 11 -24 -97 98 168 1932 24 79 121 -73 143 -13 -153 -71 -73 -118 34 -64 1933 269 157 126 -40 206 18 123 36 -37 132 289 124 1934 -101 -118 47 -14 47 -70 60 95 72 185 29 295 1935 -7 40 39 -14 127 99 -27 51 -77 -128 7 99 1936 3 -53 34 -75 2 9 -25 -90 27 -35 19 -24 1937 -93 32 -36 -80 -129 -126 -80 -40 -12 86 -5 107 1938 -46 -44 18 115 -36 -59 -102 -51 3 -32 102 84 1939 87 39 191 37 -57 14 27 33 -84 -172 104 133 1940 -47 -68 -19 42 91 59 -5 -56 -83 47 -7 -53 1941 42 -85 7 -125 62 -109 -30 -8 66 68 15 -68 1942 191 -40 -37 -33 210 12 -123 -94 -13 7 -26 34 1943 151 -73 -49 -20 -37 54 -72 -52 -89 32 118 -14 1944 40 108 142 -61 -10 -69 0 24 -68 35 -118 -3 1945 -77 -58 52 -145 -188 -145 55 -38 96 93 52 -91 1946 234 109 232 223 37 -10 13 -98 -36 40 55 -57 1947 -53 82 47 15 56 -165 213 207 245 115 -70 15 1948 -101 -44 -46 88 105 -38 -123 39 -64 -66 103 -96 1949 15 36 -28 -117 74 18 149 150 72 50 173 -95 1950 78 -15 -133 -16 -27 62 -50 -89 -75 -63 89 -38 1951 50 -50 48 -128 -15 -67 32 -41 21 211 -58 -96 1952 79 119 95 -158 -3 82 -13 -60 179 61 152 -13 1953 -88 243 7 -35 73 78 75 -61 -19 77 54 -4 1954 9 42 104 -56 -34 23 -110 -101 -62 189 80 -63 1955 127 -35 150 39 -44 82 49 21 77 211 -126 -1 1956 -93 -15 288 -21 -83 -63 -112 -141 1 5 67 77 1957 53 -116 32 13 84 47 110 134 101 35 103 106 1958 68 65 -62 32 42 -63 -176 -135 -64 -8 89 -13 1959 9 139 98 145 129 -6 104 -103 -3 58 156 46 1960 2 -9 -29 167 -35 146 -19 36 143 157 -15 -2 1961 56 -92 22 43 -48 134 38 -103 -11 -15 9 -103 1962 -26 -41 16 -7 111 388 129 66 -134 -18 175 -55 1963 -55 117 33 -17 113 67 184 191 214 123 -38 -95 1964 -25 -63 -51 23 -15 29 -29 -53 -124 -124 -82 90 1965 135 -4 -39 143 -39 42 145 14 -39 -43 -67 -97 1966 -11 -118 -41 -7 -66 56 -26 16 -10 -46 7 94 1967 -90 -43 14 140 -36 95 -11 -20 36 -74 48 54 1968 -8 56 -3 27 -1 60 280 381 240 129 17 21 1969 -51 -60 85 -2 -40 -43 24 44 -10 19 -105 -104 1970 -32 -60 34 -33 143 -19 -82 73 24 18 -37 -104 1971 -12 123 5 -106 -69 32 -7 12 71 -147 -64 81 1972 -53 117 13 166 -53 65 -40 -36 -69 -64 -97 6 1973 -87 -92 69 -152 -88 -33 16 112 130 11 -139 36 1974 16 -83 4 -136 -36 49 45 4 117 -87 -114 -59 1975 -96 41 -34 98 -60 -115 124 -49 -72 -45 15 109 1976 -60 175 41 -15 -207 -79 -107 -83 -87 17 -16 116 1977 -55 -131 -138 -125 -121 -51 -120 -45 25 -146 -107 -60 1978 -22 34 117 155 116 20 -44 -94 -163 -73 65 -20 1979 -74 -148 -119 69 185 71 101 221 36 55 66 48 1980 -79 44 -124 -131 -144 -99 7 119 -120 -25 14 -73 1981 -87 -88 -106 -141 -4 49 -76 -59 -19 -46 -115 -90 1982 -47 188 -23 83 63 16 -84 -67 -92 -22 -29 -70 1983 -100 -151 -155 -136 114 48 -90 -124 -43 -213 -83 165 1984 -83 -113 39 -38 -11 -167 -17 32 -62 -59 -115 -81 1985 -23 -73 -44 -32 18 -100 31 101 24 -77 -7 -119 1986 -99 46 1 -80 -107 -107 -13 -79 -62 -19 -108 -113 1987 -93 -66 -36 -220 -110 -64 -71 311 373 18 -177 -45 1988 -78 -36 30 -27 7 49 65 10 125 -21 -22 50 1989 -100 -132 -38 -84 -30 112 60 149 -65 100 -136 -86 1990 -55 -42 -163 77 -183 -88 19 -29 17 -63 -30 36 1991 -58 35 -71 300 77 -165 143 60 -5 -72 -184 -5 1992 -96 -148 -103 -100 80 -45 -46 -101 72 -124 -147 -84 1993 -88 93 22 4 -143 -148 -22 47 -16 -60 -27 24 1994 -65 30 -35 -7 -58 -128 -64 -19 14 136 -5 -120 1995 -3 -127 113 83 -44 -44 -45 173 72 -123 -48 -4 1996 -87 81 17 -50 0 23 112 7 -88 -77 -146 -34 1997 -28 -131 28 -22 31 93 -6 -2 -19 138 287 284 1998 672 -48 -171 -60 12 -59 -49 13 -16 -20 -53 -100 1999 44 135 -55 24 -44 -49 436 233 35 39 -33 -44 2000 -999 -139 -64 -114 -148 -88 33 68 42 -61 -153 -88 2001 -74 -143 -104 64 -999 -59 -999 -999 -999 -999 -999 -999