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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: 2025-05-12 Forecast Period: May 12 to September 1 | |||
| Exceedence Probability | Stage feet | Discharge CFS | Probable Date of Peak |
| 95 % | 3.15 | 3077 | 2025-05-25 |
| 90 % | 3.23 | 3208 | 2025-05-26 |
| 70 % | 3.44 | 3566 | 2025-06-01 |
| 50 % | 3.70 | 4028 | 2025-06-05 |
| 30 % | 3.89 | 4383 | 2025-06-09 |
| 10 % | 4.98 | 6776 | 2025-06-23 |
| 05 % | 5.46 | 8003 | 2025-06-29 |
