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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 2027 Ensemble Date: 2026-10-09 Forecast Period: October 9 to February 1 | |||
| Exceedence Probability | Inflow CFS | Probable Date of Peak | |
| 95 % | 123 | 2026-11-28 | |
| 90 % | 249 | 2026-12-05 | |
| 70 % | 476 | 2026-12-17 | |
| 50 % | 951 | 2026-12-31 | |
| 30 % | 1867 | 2027-01-14 | |
| 10 % | 2877 | 2027-01-24 | |
| 05 % | 5274 | 2027-01-30 | |