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SOUTH SANTIAM - FOSTER DAM (FOSO3) Forecasts for Water Year 2027 |
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Natural Forecast
ESP with 10 Days QPF Ensemble: 2026-10-22 Issued: 2026-10-22 Hide Forecast | |||||
| Forecasts Are in KAF | 30 Year Average (1991-2020) | ||||
| 90 % | 50 % | % Average |
10 % | ||
| APR-SEP | 307 | 525 | 100 | 749 | 526 |
| APR-JUL | 285 | 487 | 99 | 701 | 495 |
| APR-AUG | 298 | 507 | 100 | 727 | 509 |
| JAN-SEP | 898 | 1314 | 101 | 1641 | 1308 |
| JAN-JUL | 865 | 1284 | 101 | 1598 | 1277 |
| OCT-SEP | 1204 | 1729 | 92 | 2125 | 1876 |
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Experimental
HEFS with 15 days EQPF Ensemble: 2026-10-22 Issued: 2026-10-22 Hide Forecast | |||||
| APR-SEP | 307 | 525 | 100 | 748 | 526 |
| APR-JUL | 285 | 487 | 98 | 701 | 495 |
| APR-AUG | 298 | 507 | 100 | 727 | 509 |
| JAN-SEP | 896 | 1320 | 101 | 1641 | 1308 |
| JAN-JUL | 863 | 1287 | 101 | 1598 | 1277 |
| OCT-SEP | 1222 | 1730 | 92 | 2132 | 1876 |
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Reference
ESP with 0 Days QPF Ensemble: 2026-10-22 Issued: 2026-10-22 Hide Forecast | |||||
| APR-SEP | 307 | 525 | 100 | 749 | 526 |
| APR-JUL | 285 | 488 | 99 | 701 | 495 |
| APR-AUG | 298 | 507 | 100 | 727 | 509 |
| JAN-SEP | 912 | 1331 | 102 | 1644 | 1308 |
| JAN-JUL | 878 | 1291 | 101 | 1601 | 1277 |
| OCT-SEP | 1254 | 1741 | 93 | 2229 | 1876 |
| Move the mouse over the desired "Forecast Period" to display a graph. | |||||
APR-SEP
