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| PORTNEUF--AT TOPAZ | |
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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. |
| PORTNEUF--AT TOPAZ (TOPI1) Forecasts for Water Year 2025 Ensemble Date: 2025-07-18 Forecast Period: July 18 to November 1 | |||
| Exceedence Probability | Stage feet | Discharge CFS | Probable Date of Peak |
| 95 % | 2.86 | 165 | 2025-07-19 |
| 90 % | 2.87 | 166 | 2025-07-24 |
| 70 % | 2.97 | 186 | 2025-09-09 |
| 50 % | 3.06 | 208 | 2025-09-22 |
| 30 % | 3.18 | 236 | 2025-10-04 |
| 10 % | 3.33 | 276 | 2025-10-28 |
| 05 % | 3.40 | 298 | 2025-10-30 |
