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COLUMBIA - THE DALLES DAM (TDAO3) 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 | 67896 | 86155 | 88 | 112569 | 97693 |
| APR-JUL | 55834 | 71768 | 85 | 90338 | 83946 |
| APR-AUG | 63444 | 80756 | 88 | 104227 | 92254 |
| JAN-SEP | 80724 | 100583 | 85 | 134039 | 118193 |
| JAN-JUL | 68316 | 86027 | 82 | 111809 | 104447 |
| OCT-SEP | 90735 | 110603 | 82 | 146618 | 134323 |
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Experimental
HEFS with 15 days EQPF Ensemble: 2026-10-22 Issued: 2026-10-22 Hide Forecast | |||||
| APR-SEP | 68070 | 86554 | 89 | 112519 | 97693 |
| APR-JUL | 55670 | 71830 | 86 | 90764 | 83946 |
| APR-AUG | 63595 | 81326 | 88 | 104188 | 92254 |
| JAN-SEP | 81041 | 101762 | 86 | 134228 | 118193 |
| JAN-JUL | 68770 | 87437 | 84 | 112063 | 104447 |
| OCT-SEP | 91189 | 112272 | 84 | 146962 | 134323 |
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Reference
ESP with 0 Days QPF Ensemble: 2026-10-22 Issued: 2026-10-22 Hide Forecast | |||||
| APR-SEP | 70054 | 88675 | 91 | 113196 | 97693 |
| APR-JUL | 56883 | 73711 | 88 | 92286 | 83946 |
| APR-AUG | 65530 | 83108 | 90 | 105478 | 92254 |
| JAN-SEP | 83266 | 102291 | 87 | 134845 | 118193 |
| JAN-JUL | 70696 | 87996 | 84 | 112627 | 104447 |
| OCT-SEP | 94372 | 115291 | 86 | 147937 | 134323 |
| Move the mouse over the desired "Forecast Period" to display a graph. | |||||
APR-SEP
