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| COW CREEK--GALESVILLE RESERVOIR | |
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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. |
| COW CREEK--GALESVILLE RESERVOIR (GSVO3) Forecasts for Water Year 2026 Ensemble Date: 2025-12-06 Forecast Period: December 6 to April 1 | |||
| Exceedence Probability | Inflow CFS | Probable Date of Peak | |
| 95 % | 148 | 2025-12-28 | |
| 90 % | 189 | 2026-01-01 | |
| 70 % | 412 | 2026-01-17 | |
| 50 % | 774 | 2026-02-12 | |
| 30 % | 1444 | 2026-02-21 | |
| 10 % | 2400 | 2026-03-16 | |
| 05 % | 2700 | 2026-03-28 | |