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| S YAMHILL--NEAR WILLAMINA | |
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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. |
| S YAMHILL--NEAR WILLAMINA (WLAO3) Forecasts for Water Year 2025 Ensemble Date: 2025-07-14 Forecast Period: July 14 to November 1 | |||
| Exceedence Probability | Stage feet | Discharge CFS | Probable Date of Peak |
| 95 % | 1.89 | 57 | 2025-09-29 |
| 90 % | 2.00 | 78 | 2025-10-06 |
| 70 % | 2.30 | 146 | 2025-10-18 |
| 50 % | 2.78 | 290 | 2025-10-26 |
| 30 % | 3.26 | 476 | 2025-10-30 |
| 10 % | 4.85 | 1351 | 2025-11-01 |
| 05 % | 9.00 | 5538 | 2025-11-01 |
