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| WILLAPA--NEAR WILLAPA | |
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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. |
| WILLAPA--NEAR WILLAPA (WILW1) Forecasts for Water Year 2025 Ensemble Date: 2025-07-01 Forecast Period: July 1 to November 1 | |||
| Exceedence Probability | Stage feet | Discharge CFS | Probable Date of Peak |
| 95 % | 3.12 | 59 | 2025-07-06 |
| 90 % | 3.47 | 108 | 2025-09-15 |
| 70 % | 4.77 | 390 | 2025-10-18 |
| 50 % | 6.65 | 996 | 2025-10-26 |
| 30 % | 8.90 | 1941 | 2025-10-30 |
| 10 % | 13.41 | 4420 | 2025-11-01 |
| 05 % | 14.77 | 5298 | 2025-11-01 |
