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| SNAKE--LOWER GRANITE 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. |
| SNAKE--LOWER GRANITE DAM (LGDW1) Forecasts for Water Year 2026 Ensemble Date: 2026-02-06 Forecast Period: February 6 to June 1 | |||
| Exceedence Probability | Inflow CFS | Probable Date of Peak | |
| 95 % | 75382 | 2026-03-18 | |
| 90 % | 91754 | 2026-04-17 | |
| 70 % | 108372 | 2026-04-26 | |
| 50 % | 117201 | 2026-05-13 | |
| 30 % | 131597 | 2026-05-23 | |
| 10 % | 151794 | 2026-05-31 | |
| 05 % | 181511 | 2026-06-01 | |
