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COLUMBIA - MCNARY DAM (MCDW1) 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 | 66452 | 83736 | 88 | 109823 | 94820 |
| APR-JUL | 54488 | 69956 | 86 | 88144 | 81590 |
| APR-AUG | 61718 | 78363 | 87 | 101698 | 89584 |
| JAN-SEP | 77862 | 97482 | 86 | 129186 | 113380 |
| JAN-JUL | 65956 | 82754 | 83 | 107507 | 100150 |
| OCT-SEP | 87477 | 107144 | 83 | 141035 | 128739 |
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Experimental
HEFS with 15 days EQPF Ensemble: 2026-10-22 Issued: 2026-10-22 Hide Forecast | |||||
| APR-SEP | 66723 | 84017 | 89 | 109754 | 94820 |
| APR-JUL | 54314 | 70535 | 86 | 88501 | 81590 |
| APR-AUG | 62381 | 78920 | 88 | 101642 | 89584 |
| JAN-SEP | 79159 | 97900 | 86 | 129306 | 113380 |
| JAN-JUL | 66878 | 84630 | 85 | 107696 | 100150 |
| OCT-SEP | 89073 | 108195 | 84 | 141265 | 128739 |
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Reference
ESP with 0 Days QPF Ensemble: 2026-10-22 Issued: 2026-10-22 Hide Forecast | |||||
| APR-SEP | 68651 | 85443 | 90 | 110414 | 94820 |
| APR-JUL | 55521 | 71971 | 88 | 90006 | 81590 |
| APR-AUG | 64149 | 80268 | 90 | 102863 | 89584 |
| JAN-SEP | 81340 | 98521 | 87 | 129872 | 113380 |
| JAN-JUL | 68972 | 84683 | 85 | 108118 | 100150 |
| OCT-SEP | 91456 | 111328 | 86 | 142171 | 128739 |
| Move the mouse over the desired "Forecast Period" to display a graph. | |||||
APR-SEP
