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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: 2026-02-06 Forecast Period: February 6 to June 1 | |||
| Exceedence Probability | Stage feet | Discharge CFS | Probable Date of Peak |
| 95 % | 4.74 | 1274 | 2026-02-12 |
| 90 % | 5.00 | 1601 | 2026-02-19 |
| 70 % | 6.00 | 2353 | 2026-02-26 |
| 50 % | 6.00 | 3127 | 2026-03-11 |
| 30 % | 8.00 | 4943 | 2026-03-20 |
| 10 % | 11.00 | 8182 | 2026-04-03 |
| 05 % | 11.00 | 9293 | 2026-04-08 |