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| NF JOHN DAY--AT MONUMENT | |
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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. |
| NF JOHN DAY--AT MONUMENT (MONO3) Forecasts for Water Year 2026 Ensemble Date: 2026-02-06 Forecast Period: February 6 to June 1 | |||
| Exceedence Probability | Stage feet | Discharge CFS | Probable Date of Peak |
| 95 % | 6.57 | 3381 | 2026-02-10 |
| 90 % | 6.57 | 3381 | 2026-02-10 |
| 70 % | 7.09 | 4205 | 2026-03-17 |
| 50 % | 8.12 | 6106 | 2026-04-06 |
| 30 % | 9.14 | 8213 | 2026-04-29 |
| 10 % | 11.92 | 14251 | 2026-05-18 |
| 05 % | 12.46 | 15484 | 2026-05-22 |