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| MILL CREEK--NR WALLA WALLA | |
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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. |
| MILL CREEK--NR WALLA WALLA (MLKW1) 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 % | 14.80 | 503 | 2026-02-10 |
| 90 % | 14.80 | 503 | 2026-02-10 |
| 70 % | 14.80 | 503 | 2026-02-10 |
| 50 % | 15.00 | 612 | 2026-03-01 |
| 30 % | 15.36 | 822 | 2026-03-25 |
| 10 % | 16.22 | 1512 | 2026-05-06 |
| 05 % | 16.68 | 1992 | 2026-05-21 |
