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| SKAGIT--ROSS RESERVOIR | |
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| Forecasts are calculated from a forecast time series that approximates flow at a 6 hour time step interval. Observed instantaneous peaks can be higher than model forecast peaks. |
| SKAGIT--ROSS RESERVOIR (RODW1) Forecasts for Water Year 2027 Ensemble Date: 2026-10-09 Forecast Period: October 9 to February 1 | |||
| Exceedence Probability | Inflow CFS | Probable Date of Peak | |
| 95 % | 1785 | 2026-11-05 | |
| 90 % | 2661 | 2026-11-08 | |
| 70 % | 5406 | 2026-11-26 | |
| 50 % | 8907 | 2026-12-10 | |
| 30 % | 12851 | 2027-01-05 | |
| 10 % | 39082 | 2027-01-27 | |
| 05 % | 47953 | 2027-01-31 | |
