COLUMBIA--THE DALLES DAM (TDAO3)
| Observed | Forecast/Trend Issued: 2026-09-05 09:52 PDT | ||
| Date/Time (PDT) | Pool Height | Date/Time (PDT) | Pool Height |
| 2026-09-05 00:00 | 159.59 | 2026-09-05 23:00 | 159.49 |
| 2026-09-04 00:00 | 159.64 | 2026-09-06 05:00 | 159.49 |
| 2026-09-03 00:00 | 159.43 | 2026-09-06 11:00 | 159.49 |
| 2026-09-02 00:00 | 159.53 | 2026-09-06 17:00 | 159.49 |
| 2026-09-01 00:00 | 159.48 | 2026-09-06 23:00 | 159.49 |
| 2026-08-31 00:00 | 159.19 | 2026-09-07 05:00 | 159.49 |
| 2026-08-30 00:00 | 158.91 | 2026-09-07 11:00 | 159.49 |
| 2026-08-29 00:00 | 159.46 | 2026-09-07 17:00 | 159.49 |
| 2026-08-28 00:00 | 159.11 | 2026-09-07 23:00 | 159.49 |
| 2026-08-27 00:00 | 159.2 | 2026-09-08 05:00 | 159.49 |
| 2026-08-26 00:00 | 159.03 | 2026-09-08 11:00 | 159.49 |
| 2026-09-08 17:00 | 159.49 | ||
| 2026-09-08 23:00 | 159.49 | ||
| 2026-09-09 05:00 | 159.49 | ||
| 2026-09-09 11:00 | 159.49 | ||
| 2026-09-09 17:00 | 159.49 | ||
| 2026-09-09 23:00 | 159.49 | ||
| 2026-09-10 05:00 | 159.49 | ||
| 2026-09-10 11:00 | 159.49 | ||
| 2026-09-10 17:00 | 159.49 | ||
| 2026-09-10 23:00 | 159.49 | ||
| 2026-09-11 05:00 | 159.49 | ||
| 2026-09-11 11:00 | 159.49 | ||
| 2026-09-11 17:00 | 159.49 | ||
| 2026-09-11 23:00 | 159.49 | ||
| 2026-09-12 05:00 | 159.49 | ||
| 2026-09-12 11:00 | 159.49 | ||
| 2026-09-12 17:00 | 159.49 | ||
| 2026-09-12 23:00 | 159.49 | ||
| 2026-09-13 05:00 | 159.49 | ||
| 2026-09-13 11:00 | 159.49 | ||
| 2026-09-13 17:00 | 159.49 | ||
| 2026-09-13 23:00 | 159.49 | ||
| 2026-09-14 05:00 | 159.49 | ||
| 2026-09-14 11:00 | 159.49 | ||
| 2026-09-14 17:00 | 159.49 | ||
| 2026-09-14 23:00 | 159.49 | ||
| 2026-09-15 05:00 | 159.49 | ||