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| CHELAN--LAKE CHELAN DAM | |
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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. |
| CHELAN--LAKE CHELAN DAM (CHDW1) Forecasts for Water Year 2026 Ensemble Date: 2026-04-18 Forecast Period: April 18 to August 1 | |||
| Exceedence Probability | Inflow CFS | Probable Date of Peak | |
| 95 % | 6968 | 2026-05-13 | |
| 90 % | 7183 | 2026-05-20 | |
| 70 % | 8079 | 2026-05-26 | |
| 50 % | 9263 | 2026-05-31 | |
| 30 % | 11034 | 2026-06-06 | |
| 10 % | 14264 | 2026-06-17 | |
| 05 % | 16516 | 2026-06-21 | |
