Results
| Country: | Brasil
| | Station: | Boa Esperanca | | River: | Fresco | | Area: | 42275 km2 | | Lat: | -6.72 | | Lon: | -51.77 | | Source: | ANEEL | | PointID: | 47 | | Area Units: | km2 | | Discharge Units: | m3/sec | | Starting Year: | 1976 | | Ending Year: | 1997 | | Total Years: | 22 | | Total Usable Years: | 20 | |
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| Year | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Avg Annual |
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| 1976 | 571 | 1343 | 1388 | 1188 | 750 | 249 | 63 | 12 | 8 | 43 | 177 | 436 | 519 |
| 1977 | 670 | 1551 | 1633 | 1482 | 2348 | 673 | 199 | 50 | 19 | 143 | 463 | 647 | 823.17 |
| 1978 | 2311 | 1839 | 3039 | 1502 | 1309 | 474 | 156 | 53 | 23 | 61 | 123 | 479 | 947.42 |
| 1979 | 1113 | 2467 | 2062 | 1178 | 791 | 237 | 62 | 15 | 61 | 97 | 254 | 399 | 728 |
| 1980 | 1047 | 2303 | 3728 | 1521 | 566 | 161 | 45 | 11 | 7 | 25 | 118 | 645 | 848.08 |
| 1981 | 1420 | 1704 | 1553 | 1722 | 491 | 139 | 35 | 8 | 4 | 8 | 162 | 607 | 654.42 |
| 1982 | 1693 | 2877 | 2457 | 2351 | 1027 | 327 | 102 | 28 | 45 | 110 | 151 | 379 | 962.25 |
| 1983 | 671 | 2193 | 1663 | 1818 | 426 | 107 | 24 | 6 | 5 | 37 | 242 | 700 | 657.67 |
| 1984 | 758 | 1134 | 1658 | 2966 | 1687 | 458 | 131 | 34 | 48 | 93 | 245 | 401 | 801.08 |
| 1985 | 1622 | 2705 | 2488 | 2960 | 2141 | 600 | 219 | 66 | 28 | 138 | 323 | 956 | 1187.17 |
| 1986 | 2089 | 1722 | 2237 | 1727 | 1230 | 379 | 144 | 53 | 42 | 253 | 449 | 488 | 901.08 |
| 1987 | 825 | 837 | 2162 | 1669 | 807 | 228 | 59 | 21 | 14 | 92 | 271 | 548 | 627.75 |
| 1988 | 1160 | 1558 | 2571 | 2476 | 1161 | 403 | 107 | 25 | 11 | 85 | 317 | 1331 | 933.75 |
| 1989 | 1335 | 1467 | 2041 | -9999 | -9999 | 493 | 181 | 74 | 57 | 116 | 634 | 1594 | -9999 |
| 1990 | 2527 | 1599 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | 389 | -9999 |
| 1991 | 1214 | 1769 | 1566 | 2522 | 1666 | 534 | 141 | 36 | 18 | 59 | 312 | 844 | 890.08 |
| 1992 | 1318 | 2347 | 1430 | 2056 | 708 | 210 | 62 | 15 | 19 | 78 | 202 | 827 | 772.67 |
| 1993 | 938 | 1570 | 2153 | 1345 | 759 | 239 | 73 | 27 | 41 | 108 | 159 | 630 | 670.17 |
| 1994 | 1488 | 2352 | 2895 | -9999 | -9999 | 442 | 219 | 63 | 51 | 85 | 161 | 744 | -9999 |
| 1995 | -9999 | 2353 | 2358 | 2754 | 2130 | 787 | 229 | 70 | 39 | 54 | 183 | 628 | -9999 |
| 1996 | 1357 | 1265 | 2301 | 1972 | 1213 | 354 | 105 | 43 | 29 | 124 | 311 | 330 | 783.67 |
| 1997 | 1300 | 2064 | 2030 | 2511 | 1286 | 328 | 101 | 38 | 46 | -9999 | 87 | 526 | -9999 |
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| Avg | 1306.05 | 1864.5 | 2162.52 | 1985.26 | 1184 | 372.48 | 117 | 35.62 | 29.29 | 90.45 | 254.48 | 660.36 | 806.32 |
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| Std Dev | 514.66 |
519.08 |
571.91 |
567.11 |
563.54 |
176.03 |
62.77 |
21.06 |
17.78 |
51.75 |
130.19 |
303.41 |
155.2 |
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| | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Avg Annual |
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