Results
| Country: | Brasil
| | Station: | Cachoeirao | | River: | Teles Pires | | Area: | 34180 km2 | | Lat: | -11.75 | | Lon: | -55.77 | | Source: | ANEEL | | PointID: | 35 | | Area Units: | km2 | | Discharge Units: | m3/sec | | Starting Year: | 1975 | | Ending Year: | 1994 | | Total Years: | 20 | | Total Usable Years: | 18 | |
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| Year | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Avg Annual |
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| 1975 | 762 | 681 | 1162 | 1020 | 641 | 487 | 492 | 433 | 344 | 341 | 382 | 866 | 634.25 |
| 1976 | 870 | 1146 | 1382 | 1069 | 710 | 529 | 406 | 339 | 332 | 430 | 597 | 1156 | 747.17 |
| 1977 | 1233 | 1511 | 1005 | 987 | 848 | 673 | 447 | 356 | 355 | 460 | 682 | 1070 | 802.25 |
| 1978 | 1792 | 1354 | 2287 | 1154 | 968 | 723 | 577 | 500 | 441 | 560 | 689 | 1063 | 1009 |
| 1979 | 1989 | 1874 | 1463 | 999 | 580 | 407 | 399 | 370 | 456 | 456 | 632 | 713 | 861.5 |
| 1980 | 1278 | 2139 | 2190 | 1247 | 839 | 685 | 548 | 467 | 466 | 465 | 518 | 964 | 983.83 |
| 1981 | 1421 | 1411 | 1325 | 1415 | 983 | 657 | 529 | 446 | 383 | 465 | 995 | 1058 | 924 |
| 1982 | 1664 | 2095 | 1880 | 1474 | 937 | 704 | 566 | 478 | 470 | 536 | 630 | 755 | 1015.75 |
| 1983 | 1286 | 1673 | 1218 | 1050 | 680 | 558 | 438 | 377 | 352 | 479 | 623 | 930 | 805.33 |
| 1984 | 989 | 949 | 1092 | 1000 | 735 | 509 | 418 | 372 | 381 | 426 | 565 | 1019 | 704.58 |
| 1985 | 1520 | 1504 | 1333 | 1223 | 846 | 578 | 470 | 391 | 371 | 480 | 573 | 609 | 824.83 |
| 1986 | 1252 | 1541 | 1343 | 943 | 692 | 538 | 432 | 411 | 404 | 488 | 493 | 703 | 770 |
| 1987 | 1357 | 1280 | 1235 | 998 | 673 | 486 | 392 | 348 | 326 | 337 | 615 | 1287 | 777.83 |
| 1988 | 1394 | 1329 | 1553 | 1253 | 811 | 568 | 447 | 375 | 335 | 366 | 623 | 1038 | 841 |
| 1989 | 1338 | 1693 | 1679 | 1350 | 861 | 587 | 493 | 430 | 400 | 381 | 494 | 1139 | 903.75 |
| 1990 | 1655 | 1446 | 1393 | 1103 | 771 | 550 | 473 | 224 | 265 | 349 | 396 | 428 | 754.42 |
| 1991 | -9999 | -9999 | -9999 | -9999 | 710 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 |
| 1992 | -9999 | -9999 | -9999 | -9999 | -9999 | 625 | 505 | 436 | 493 | 529 | 660 | 1044 | -9999 |
| 1993 | -9999 | -9999 | -9999 | -9999 | 649 | 522 | 419 | 376 | 357 | 393 | 474 | 786 | -9999 |
| 1994 | 1442 | 1208 | 1772 | 1204 | 833 | 680 | 524 | 416 | 370 | 428 | 517 | 700 | 841.17 |
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| Avg | 1367.18 | 1460.82 | 1488.94 | 1146.41 | 777.21 | 582.42 | 472.37 | 397.11 | 384.26 | 440.47 | 587.26 | 912 | 835.33 |
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| Std Dev | 304.27 |
362.98 |
354.14 |
156.57 |
112.72 |
84.33 |
55.88 |
60.27 |
57.26 |
64.55 |
129.3 |
213.43 |
102.78 |
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| | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Avg Annual |
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