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| UMATILLA--AT PENDLETON | |
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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. |
| UMATILLA--AT PENDLETON (PDTO3) Forecasts for Water Year 2025 Ensemble Date: 2025-07-11 Forecast Period: July 11 to November 1 | |||
| Exceedence Probability | Stage feet | Discharge CFS | Probable Date of Peak |
| 95 % | 4.17 | 41 | 2025-08-17 |
| 90 % | 4.21 | 46 | 2025-09-30 |
| 70 % | 4.29 | 56 | 2025-10-22 |
| 50 % | 4.33 | 62 | 2025-10-25 |
| 30 % | 4.38 | 71 | 2025-10-31 |
| 10 % | 5.06 | 254 | 2025-11-01 |
| 05 % | 5.62 | 565 | 2025-11-01 |
