Results
| Country: | Brasil
| | Station: | Valparaiso | | River: | Purus | | Area: | 103285 km2 | | Lat: | -8.7 | | Lon: | -67.4 | | Source: | ANEEL | | PointID: | 62 | | Area Units: | km2 | | Discharge Units: | m3/sec | | Starting Year: | 1975 | | Ending Year: | 1986 | | Total Years: | 12 | | Total Usable Years: | 12 | |
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| Year | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Avg Annual |
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| 1975 | 495 | 1031 | 7493 | 5784 | 2589 | 937 | 655 | 339 | 313 | 412 | 535 | 1595 | 1848.17 |
| 1976 | 4236 | 5466 | 5520 | 3436 | 920 | 507 | 272 | 196 | 178 | 244 | 570 | 1518 | 1921.92 |
| 1977 | 4185 | 3707 | 6279 | 2625 | 2977 | 695 | 387 | 237 | 208 | 597 | 2185 | 2696 | 2231.5 |
| 1978 | 3037 | 3593 | 4812 | 5224 | 2213 | 1026 | 443 | 316 | 271 | 623 | 1605 | 5156 | 2359.92 |
| 1979 | 4756 | 3661 | 6069 | 5466 | 2589 | 821 | 357 | 273 | 318 | 399 | 982 | 1676 | 2280.58 |
| 1980 | 2238 | 3176 | 3689 | 2470 | 1227 | 637 | 247 | 211 | 202 | 335 | 522 | 1135 | 1340.75 |
| 1981 | 2050 | 4481 | 5199 | 4629 | 1621 | 833 | 326 | 227 | 191 | 249 | 871 | 2112 | 1899.08 |
| 1982 | 4710 | 4977 | 6066 | 4105 | 1728 | 700 | 433 | 302 | 354 | 566 | 1155 | 2576 | 2306 |
| 1983 | 3560 | 2547 | 3545 | 2450 | 1289 | 699 | 302 | 204 | 169 | 154 | 518 | 1362 | 1399.92 |
| 1984 | 3509 | 5408 | 5610 | 5162 | 2170 | 654 | 322 | 202 | 195 | 321 | 1727 | 3082 | 2363.5 |
| 1985 | 4649 | 3016 | 5050 | 5413 | 2870 | 707 | 360 | 266 | 260 | 534 | 1996 | 2793 | 2326.17 |
| 1986 | 4304 | 5469 | 5499 | 6082 | 2911 | 1044 | 399 | 306 | 353 | 526 | 702 | 2836 | 2535.92 |
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| Avg | 3477.42 | 3877.67 | 5402.58 | 4403.83 | 2092 | 771.67 | 375.25 | 256.58 | 251 | 413.33 | 1114 | 2378.08 | 2067.79 |
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| Std Dev | 1256.86 |
1298.58 |
1040.43 |
1288.19 |
688.9 |
156.76 |
102.14 |
48.25 |
66.37 |
148.9 |
586.41 |
1049.95 |
371.95 |
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| | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Avg Annual |
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