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| METHOW--AT WINTHROP | |
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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. |
| METHOW--AT WINTHROP (WTHW1) Forecasts for Water Year 2026 Ensemble Date: 2026-08-16 Forecast Period: August 16 to December 1 | |||
| Exceedence Probability | Stage feet | Discharge CFS | Probable Date of Peak |
| 95 % | 9.91 | 232 | 2026-08-23 |
| 90 % | 9.91 | 233 | 2026-09-03 |
| 70 % | 10.18 | 326 | 2026-10-22 |
| 50 % | 10.69 | 560 | 2026-11-02 |
| 30 % | 11.25 | 906 | 2026-11-13 |
| 10 % | 12.79 | 2585 | 2026-11-23 |
| 05 % | 13.20 | 3147 | 2026-11-27 |
