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| GREYS--AB RES NR ALPINE | |
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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. |
| GREYS--AB RES NR ALPINE (GREW4) 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 % | 1.50 | 313 | 2026-08-16 |
| 90 % | 1.50 | 313 | 2026-08-16 |
| 70 % | 1.50 | 315 | 2026-08-28 |
| 50 % | 1.55 | 342 | 2026-09-09 |
| 30 % | 1.61 | 371 | 2026-09-21 |
| 10 % | 1.74 | 440 | 2026-10-28 |
| 05 % | 2.18 | 729 | 2026-11-07 |
