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| BOISE--NR TWIN SPRINGS | |
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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. |
| BOISE--NR TWIN SPRINGS (BTSI1) Forecasts for Water Year 2027 Ensemble Date: 2026-10-10 Forecast Period: October 10 to February 1 | |||
| Exceedence Probability | Stage feet | Discharge CFS | Probable Date of Peak |
| 95 % | 5.22 | 292 | 2026-10-10 |
| 90 % | 5.22 | 292 | 2026-10-10 |
| 70 % | 5.70 | 494 | 2026-11-11 |
| 50 % | 6.06 | 681 | 2026-12-05 |
| 30 % | 6.96 | 1275 | 2026-12-31 |
| 10 % | 9.26 | 3780 | 2027-01-24 |
| 05 % | 9.99 | 4948 | 2027-01-30 |