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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 2026 Ensemble Date: 2026-06-06 Forecast Period: June 6 to October 1 | |||
| Exceedence Probability | Stage feet | Discharge CFS | Probable Date of Peak |
| 95 % | 2.14 | 109 | 2026-06-09 |
| 90 % | 2.14 | 109 | 2026-06-09 |
| 70 % | 2.14 | 109 | 2026-06-09 |
| 50 % | 2.14 | 109 | 2026-06-09 |
| 30 % | 2.26 | 135 | 2026-09-19 |
| 10 % | 2.41 | 172 | 2026-09-28 |
| 05 % | 2.54 | 211 | 2026-10-01 |