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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: 2026-04-18 Forecast Period: April 18 to August 1 | |||
| Exceedence Probability | Stage feet | Discharge CFS | Probable Date of Peak |
| 95 % | 2.87 | 1349 | 2026-05-08 |
| 90 % | 2.91 | 1394 | 2026-05-12 |
| 70 % | 3.07 | 1563 | 2026-05-21 |
| 50 % | 3.21 | 1712 | 2026-05-31 |
| 30 % | 3.29 | 1803 | 2026-06-08 |
| 10 % | 3.62 | 2179 | 2026-06-15 |
| 05 % | 3.64 | 2199 | 2026-06-18 |
