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| COWLITZ--AT PACKWOOD | |
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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--AT PACKWOOD (PACW1) Forecasts for Water Year 2025 Ensemble Date: 2025-06-30 Forecast Period: June 30 to October 1 | |||
| Exceedence Probability | Stage feet | Discharge CFS | Probable Date of Peak |
| 95 % | 2.17 | 1720 | 2025-07-01 |
| 90 % | 2.17 | 1720 | 2025-07-01 |
| 70 % | 2.17 | 1720 | 2025-07-01 |
| 50 % | 2.17 | 1720 | 2025-07-01 |
| 30 % | 2.17 | 1720 | 2025-07-01 |
| 10 % | 2.66 | 2344 | 2025-09-24 |
| 05 % | 3.30 | 3317 | 2025-09-30 |
