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COLUMBIA - BONNEVILLE DAM (BONO3) Forecasts for Water Year 2027 |
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Natural Forecast
ESP with 10 Days QPF Ensemble: 2026-10-22 Issued: 2026-10-22 Hide Forecast | |||||
| Forecasts Are in KAF | 30 Year Average (1991-2020) | ||||
| 90 % | 50 % | % Average |
10 % | ||
| APR-SEP | 68686 | 87162 | 88 | 113988 | 98925 |
| APR-JUL | 56507 | 72615 | 85 | 91487 | 84950 |
| APR-AUG | 64158 | 81766 | 88 | 105525 | 93384 |
| JAN-SEP | 81757 | 102250 | 85 | 136629 | 120314 |
| JAN-JUL | 69360 | 87525 | 82 | 114127 | 106339 |
| OCT-SEP | 92021 | 112720 | 82 | 149649 | 136953 |
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Experimental
HEFS with 15 days EQPF Ensemble: 2026-10-22 Issued: 2026-10-22 Hide Forecast | |||||
| APR-SEP | 68863 | 87668 | 89 | 113941 | 98925 |
| APR-JUL | 56338 | 72557 | 85 | 91875 | 84950 |
| APR-AUG | 64312 | 82344 | 88 | 105489 | 93384 |
| JAN-SEP | 82079 | 103482 | 86 | 136826 | 120314 |
| JAN-JUL | 69761 | 89298 | 84 | 114391 | 106339 |
| OCT-SEP | 92483 | 114246 | 83 | 150008 | 136953 |
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Reference
ESP with 0 Days QPF Ensemble: 2026-10-22 Issued: 2026-10-22 Hide Forecast | |||||
| APR-SEP | 70868 | 89745 | 91 | 114629 | 98925 |
| APR-JUL | 57562 | 74416 | 88 | 93410 | 84950 |
| APR-AUG | 66266 | 83984 | 90 | 106747 | 93384 |
| JAN-SEP | 84335 | 104342 | 87 | 137473 | 120314 |
| JAN-JUL | 71614 | 89765 | 84 | 114892 | 106339 |
| OCT-SEP | 95844 | 117844 | 86 | 151026 | 136953 |
| Move the mouse over the desired "Forecast Period" to display a graph. | |||||
APR-SEP
