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CHEHALIS--NEAR GRAND MOUND | |
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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. |
CHEHALIS--NEAR GRAND MOUND (CGMW1) Forecasts for Water Year 2025 Ensemble Date: 2025-07-03 Forecast Period: July 3 to November 1 | |||
Exceedence Probability | Stage feet | Discharge CFS | Probable Date of Peak |
95 % | 129.20 | 224 | 2025-08-06 |
90 % | 129.40 | 288 | 2025-10-01 |
70 % | 130.43 | 770 | 2025-10-19 |
50 % | 131.91 | 1963 | 2025-10-27 |
30 % | 133.93 | 4508 | 2025-10-30 |
10 % | 136.36 | 8424 | 2025-11-01 |
05 % | 137.31 | 10292 | 2025-11-01 |