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| CHEHALIS--AT PORTER | |
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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. |
| CHEHALIS--AT PORTER (CRPW1) Forecasts for Water Year 2022 Ensemble Date: 2021-12-08 Forecast Period: December 8 to April 1 | |||
| Exceedence Probability | Stage feet | Discharge CFS | Probable Date of Peak |
| 95 % | 46.15 | 16783 | 2021-12-13 |
| 90 % | 46.15 | 16783 | 2021-12-13 |
| 70 % | 47.71 | 21699 | 2022-01-01 |
| 50 % | 48.61 | 26228 | 2022-01-13 |
| 30 % | 49.30 | 31040 | 2022-01-24 |
| 10 % | 51.31 | 52261 | 2022-02-17 |
| 05 % | 51.87 | 59879 | 2022-03-04 |
