| COLUMBIA - THE DALLES DAM Forecasts For Water Year 2026 | ||||||
| Official Water Supply ESP with 10 days QPF Ensemble: 2026-07-10 Issued: 2026-07-10 | ||||||
| Forecast Period |
Forecasts Are in KAF | Obs Runoff (2026-07-10) |
30 Year Average (1991-2020) | |||
| 90 % | 50 % | % Average |
10 % | |||
| OCT | 3556 | 5095 | ||||
| NOV | 4967 | 5650 | ||||
| DEC | 11357 | 5622 | ||||
| JAN | 7172 | 5992 | ||||
| FEB | 5451 | 6434 | ||||
| MAR | 12512 | 9354 | ||||
| APR | 14636 | 14620 | ||||
| MAY | 23849 | 27376 | ||||
| JUN | 17894 | 25768 | ||||
| JUL | 11177 | 11348 | 80 | 11526 | 4580* | 14169 |
| AUG | 5801 | 6107 | 84 | 6738 | 7262 | |
| SEP | 4209 | 4501 | 91 | 5849 | 4970 | |
| Move the mouse over the desired "Forecast Table" to update graph. * Partial Monthly Total | ||||||
| CSV Download | ||||||
| COLUMBIA - THE DALLES DAM Forecasts For Water Year 2026 | ||||||
| Experimental Water Supply HEFS with 15 days EQPF Ensemble: 2026-07-10 Issued: 2026-07-10 | ||||||
| Forecast Period |
Forecasts Are in KAF | Obs Runoff (2026-07-10) |
30 Year Average (1991-2020) | |||
| 90 % | 50 % | % Average |
10 % | |||
| OCT | 3556 | 5095 | ||||
| NOV | 4967 | 5650 | ||||
| DEC | 11357 | 5622 | ||||
| JAN | 7172 | 5992 | ||||
| FEB | 5451 | 6434 | ||||
| MAR | 12512 | 9354 | ||||
| APR | 14636 | 14620 | ||||
| MAY | 23849 | 27376 | ||||
| JUN | 17894 | 25768 | ||||
| JUL | 11099 | 11290 | 80 | 11588 | 4580* | 14169 |
| AUG | 5792 | 6116 | 84 | 6774 | 7262 | |
| SEP | 4211 | 4527 | 91 | 5842 | 4970 | |
| Move the mouse over the desired "Forecast Table" to update graph. * Partial Monthly Total | ||||||
| CSV Download | ||||||
| COLUMBIA - THE DALLES DAM Forecasts For Water Year 2026 | ||||||
| Reference ESP with 0 days QPF Ensemble: 2026-07-10 Issued: 2026-07-10 | ||||||
| Forecast Period |
Forecasts Are in KAF | Obs Runoff (2026-07-10) |
30 Year Average (1991-2020) | |||
| 90 % | 50 % | % Average |
10 % | |||
| OCT | 3556 | 5095 | ||||
| NOV | 4967 | 5650 | ||||
| DEC | 11357 | 5622 | ||||
| JAN | 7172 | 5992 | ||||
| FEB | 5451 | 6434 | ||||
| MAR | 12512 | 9354 | ||||
| APR | 14636 | 14620 | ||||
| MAY | 23849 | 27376 | ||||
| JUN | 17894 | 25768 | ||||
| JUL | 11155 | 11620 | 82 | 12195 | 4580* | 14169 |
| AUG | 5876 | 6231 | 86 | 7062 | 7262 | |
| SEP | 4228 | 4588 | 92 | 5998 | 4970 | |
| Move the mouse over the desired "Forecast Table" to update graph. * Partial Monthly Total | ||||||
| CSV Download | ||||||
