Country= Madagascar Station= Antsatrana River= Ikopa Area= 18550 km2 Lat= -17.41 Lon= 46.85 Source= RivDIS PointID= 57 Area Units= km2 Discharge Units= m3/sec Starting Year= 1965 Ending Year= 1999 Total Years= 35 Total Usable Years= 32 Year Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Avg Annual 1965 1388 1249 909 661 354 295 271 239 165 134 246 776 557.25 1966 560 815 431 308 234 181 153 145 116 102 110 325 290 1967 1147 669 1290 535 277 217 181 141 119 105 -9999 -9999 -9999 1968 622 987 925 404 237 208 177 148 112 99 297 737 412.75 1969 789 972 560 554 292 199 170 149 117 120 181 744 403.92 1970 1327 752 905 381 248 137 166 137 104 92 405 536 432.5 1971 999 1571 967 452 295 242 180 131 127 109 328 701 508.5 1972 556 1670 900 474 297 236 193 167 105 222 268 596 473.67 1973 988 1099 1060 521 276 246 186 162 131 104 510 533 484.67 1974 715 910 735 831 353 227 195 163 123 150 247 729 448.17 1975 796 1156 1111 555 310 239 197 164 120 142 471 530 482.58 1976 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 194 373 -9999 1977 955 1040 854 405 289 168 147 118 97.5 97.5 136 498 400.42 1978 900 901 860 470 159 110 114 163 114 100 167 540 383.17 1979 1124 627 102 556 341 229 182 148 121 105 298 441 356.17 1980 1000 1314 1083 672 401 341 210 179 134 111 323 708 539.67 1981 750 900 1682 689 411 288 235 176 140 112 176 500 504.92 1982 980 1000 1314 520 365 272 211 161 115 110 153 580 481.75 1983 910 1037 1396 576 261 189 156 139 107 98 145 640 471.17 1984 880 1260 462 480 184 148 183 123 100 87 155 560 385.17 1985 666 1137 1357 661 279 221 194 136 104 107 149 400 450.92 1986 1184 795 1406 764 367 269 229 178 123 102 377 472 522.17 1987 964 882 1037 402 240 220 174 140 161 160 252 633 438.75 1988 1053 828 944 373 235 190 153 126 101 87 81 617 399 1989 1082 337 722 553 271 165 152 124 93 91 114 1536 436.67 1990 934 997 1174 708 368 249 192 158 127 118 581 716 526.83 1991 815 1324 778 543 306 284 218 180 132 145 336 731 482.67 1992 681 1281 833 380 237 217 220 173 120 100 239 890 447.58 1993 -9999 817 513 497 269 194 173 145 104 105 227 622 -9999 1994 578 1308 1117 440 245 199 153 130 94.8 155 187 297 408.65 1995 730 113 381 218 109 113 110 85 81 82 138 429 215.75 1996 483 1030 496 371 157 -9999 -9999 -9999 -9999 -9999 446 567 -9999 1997 803 516 785 549 205 142 134 113 0 119 115 -9999 -9999 1998 -9999 -9999 -9999 -9999 242 -9999 -9999 -9999 89.1 -9999 236 451 -9999 1999 1545 1815 1088 537 286 207 187 151 -9999 131 -9999 -9999 -9999 Avg 903.25 1003.3 914.45 516.36 276.47 213.81 181.13 149.75 112.42 115.67 251.15 606.5 440.91 Std Dev 246.49 346.21 337.9 131.38 68.25 52.54 33.58 26.74 27.19 27.7 123.5 216.11 72.94