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| SF BOISE--ANDERSON RANCH 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. |
| SF BOISE--ANDERSON RANCH DAM (ARAI1) Forecasts for Water Year 2026 Ensemble Date: 2026-01-16 Forecast Period: January 16 to May 1 | |||
| Exceedence Probability | Inflow CFS | Probable Date of Peak | |
| 95 % | 2522 | 2026-03-21 | |
| 90 % | 2607 | 2026-04-05 | |
| 70 % | 3036 | 2026-04-16 | |
| 50 % | 3356 | 2026-04-22 | |
| 30 % | 3896 | 2026-04-26 | |
| 10 % | 4854 | 2026-05-01 | |
| 05 % | 4889 | 2026-05-01 | |