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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: 2026-10-05 Issued: 2026-10-05 Hide Forecast | |||||
| Forecasts Are in KAF | 30 Year Average (1991-2020) | ||||
| 90 % | 50 % | % Average |
10 % | ||
| APR-SEP | 70006 | 88004 | 93 | 110410 | 94820 |
| APR-JUL | 56112 | 73550 | 90 | 90318 | 81590 |
| APR-AUG | 64907 | 82644 | 92 | 103232 | 89584 |
| JAN-SEP | 83055 | 103621 | 91 | 130021 | 113380 |
| JAN-JUL | 69885 | 87819 | 88 | 110708 | 100150 |
| OCT-SEP | 94608 | 117359 | 91 | 142752 | 128739 |
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Experimental
HEFS with 15 days EQPF Ensemble: 2026-10-05 Issued: 2026-10-05 Hide Forecast | |||||
| APR-SEP | 69164 | 87124 | 92 | 110090 | 94820 |
| APR-JUL | 55344 | 72789 | 89 | 90090 | 81590 |
| APR-AUG | 63979 | 81835 | 91 | 102962 | 89584 |
| JAN-SEP | 82129 | 101130 | 89 | 128491 | 113380 |
| JAN-JUL | 68913 | 85557 | 85 | 109992 | 100150 |
| OCT-SEP | 93392 | 114356 | 89 | 141134 | 128739 |
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Reference
ESP with 0 Days QPF Ensemble: 2026-10-05 Issued: 2026-10-05 Hide Forecast | |||||
| APR-SEP | 70336 | 89186 | 94 | 114124 | 94820 |
| APR-JUL | 56857 | 73976 | 91 | 93748 | 81590 |
| APR-AUG | 65632 | 83396 | 93 | 106905 | 89584 |
| JAN-SEP | 83615 | 104082 | 92 | 134183 | 113380 |
| JAN-JUL | 71032 | 88365 | 88 | 116257 | 100150 |
| OCT-SEP | 97318 | 117701 | 91 | 151556 | 128739 |
| Move the mouse over the desired "Forecast Period" to display a graph. | |||||
APR-SEP
