Country= Niger Station= Gaya River= Niger Area= 1000000 km2 Lat= 11.88 Lon= 3.4 Source= RivDIS PointID= 1513 Area Units= km2 Discharge Units= m3/sec Starting Year= 1952 Ending Year= 1990 Total Years= 39 Total Usable Years= 31 Year Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Avg Annual 1952 -9999 -9999 -9999 -9999 -9999 -9999 160 446 1475 1958 1579 1674 -9999 1953 1941 2167 2138 1549 678 332 297 1032 1934 1831 1631 1760 1440.83 1954 2041 2285 2188 1560 674 314 308 1020 1789 1551 1502 1679 1409.25 1955 2014 2315 2334 1969 1100 460 411 1357 1923 2186 1687 1780 1628 1956 2114 2423 2325 1762 789 312 199 685 1434 1530 1406 1569 1379 1957 1770 1863 1505 735 268 142 105 933 1837 1598 1456 1587 1149.92 1958 1867 2144 2197 1770 880 346 340 902 1477 1429 1378 1553 1356.92 1959 1872 2005 1954 1330 540 159 115 791 2259 1706 1390 1594 1309.58 1960 1813 1982 1632 766 246 78 140 652 1543 1609 1398 1595 1121.17 1961 1863 2030 1750 964 351 145 130 594 1644 1455 1333 1528 1148.92 1962 1726 1770 1242 476 154 73 206 918 2423 1753 1446 1593 1148.33 1963 1822 2107 1965 1246 507 195 144 536 1252 1341 1283 1413 1150.92 1964 1681 1870 1681 784 329 258 280 920 1945 1631 1314 1586 1189.92 1965 1896 2169 2001 1350 500 350 300 800 1590 1539 1492 1538 1293.75 1966 1896 2169 2001 825 300 250 100 280 1045 1370 1336 1539 1092.58 1967 1900 2091 1611 665 205 65 80 600 1950 1750 1545 1829 1190.92 1968 2297 2622 2480 1379 550 220 300 920 1382 1432 1397 1691 1389.17 1969 1931 1883 1153 450 203 106 53 581 1222 1467 1648 1904 1050.08 1970 2236 2285 1844 847 225 79 120 585 1471 1522 1398 1605 1184.75 1971 1848 1620 738 252 90 53 207 421 248 1250 1346 1664 811.42 1972 1847 1499 610 191 65 55 -9999 -9999 -9999 -9999 -9999 -9999 -9999 1973 -9999 -9999 -9999 -9999 -9999 -9999 204 521 920 1111 1214 1300 -9999 1974 1089 523 186 60 26 20 174 527 1282 1319 1379 1606 682.58 1975 1781 1450 546 138 35.8 15 166 564 1301 1274 1464 1651 865.48 1976 1907 1778 883 251 70 57.4 65.1 417 930 1254 1405 1519 878.04 1977 1651 1694 1573 566 -9999 50.8 133 393 960 975 1151 1255 -9999 1978 1125 777 -9999 465 531 41.6 73 768 1135 1211 1318 1441 -9999 1979 1589 1435 581 142 45.4 37.5 -9999 -9999 -9999 -9999 -9999 -9999 -9999 1980 -9999 -9999 -9999 -9999 -9999 -9999 427 560 108 1198 1347 1203 -9999 1981 -9999 914 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 1982 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 1983 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 1984 -9999 -9999 -9999 -9999 -9999 295 -9999 -9999 -9999 -9999 -9999 -9999 -9999 1985 -9999 -9999 -9999 -9999 -9999 -9999 196 789 1330 1220 1250 1380 -9999 1986 1070 450 146 33.3 27.7 7.06 199 402 1000 1020 1160 1190 558.76 1987 875 393 143 39.2 14.6 18.4 111 397 806 1040 1070 -9999 -9999 1988 -9999 -9999 -9999 -9999 -9999 30.2 299 1150 2150 1390 1280 1230 -9999 1989 918 390 152 -9999 -9999 -9999 182 813 1180 1170 1130 1160 -9999 1990 607 482 422 402 -9999 -9999 -9999 418 538 -9999 -9999 -9999 -9999 Avg 1699.57 1664.03 1378.66 791.95 348.31 152.17 194.5 687.64 1378.27 1440.31 1379.16 1536 1149.14 Std Dev 411.14 658.82 754.86 576.9 289.43 127.05 97.29 249.61 527.72 273.51 145.85 188.33 249.79