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| COWLITZ--MOSSYROCK 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. |
| COWLITZ--MOSSYROCK RESERVOIR (MSRW1) Forecasts for Water Year 2025 Ensemble Date: 2025-05-15 Forecast Period: May 15 to September 1 | |||
| Exceedence Probability | Inflow CFS | Probable Date of Peak | |
| 95 % | 5072 | 2025-05-29 | |
| 90 % | 5427 | 2025-05-31 | |
| 70 % | 6850 | 2025-06-02 | |
| 50 % | 7419 | 2025-06-07 | |
| 30 % | 8964 | 2025-06-12 | |
| 10 % | 12874 | 2025-06-24 | |
| 05 % | 15736 | 2025-06-29 | |
