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| CLACKAMAS--NEAR OREGON CITY | |
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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. |
| CLACKAMAS--NEAR OREGON CITY (COCO3) Forecasts for Water Year 2026 Ensemble Date: 2026-06-05 Forecast Period: June 5 to October 1 | |||
| Exceedence Probability | Stage feet | Discharge CFS | Probable Date of Peak |
| 95 % | 23.85 | 1370 | 2026-06-10 |
| 90 % | 23.85 | 1370 | 2026-06-10 |
| 70 % | 23.85 | 1370 | 2026-06-10 |
| 50 % | 23.85 | 1370 | 2026-06-10 |
| 30 % | 24.00 | 1502 | 2026-06-24 |
| 10 % | 24.81 | 2290 | 2026-09-26 |
| 05 % | 25.07 | 2584 | 2026-10-01 |