COLUMBIA--CHIEF JOSEPH DAM (CHJW1)
| Observed | Forecast/Trend Issued: 2026-02-05 09:19 PST | ||
| Date/Time (PST) | Pool Height | Date/Time (PST) | Pool Height |
| 2026-02-06 00:00 | 952.6 | 2026-02-06 04:00 | 952.8 |
| 2026-02-05 00:00 | 952.3 | 2026-02-06 10:00 | 952.8 |
| 2026-02-04 00:00 | 952.4 | 2026-02-06 16:00 | 952.8 |
| 2026-02-03 00:00 | 952.1 | 2026-02-06 22:00 | 952.8 |
| 2026-02-02 00:00 | 952.3 | 2026-02-07 04:00 | 952.8 |
| 2026-02-01 00:00 | 952.1 | 2026-02-07 10:00 | 952.8 |
| 2026-01-31 00:00 | 952.9 | 2026-02-07 16:00 | 952.8 |
| 2026-01-30 00:00 | 952.4 | 2026-02-07 22:00 | 952.8 |
| 2026-01-29 00:00 | 952.3 | 2026-02-08 04:00 | 952.8 |
| 2026-01-28 00:00 | 953 | 2026-02-08 10:00 | 952.8 |
| 2026-01-27 00:00 | 952.2 | 2026-02-08 16:00 | 952.8 |
| 2026-02-08 22:00 | 952.8 | ||
| 2026-02-09 04:00 | 952.8 | ||
| 2026-02-09 10:00 | 952.8 | ||
| 2026-02-09 16:00 | 952.8 | ||
| 2026-02-09 22:00 | 952.8 | ||
| 2026-02-10 04:00 | 952.8 | ||
| 2026-02-10 10:00 | 952.8 | ||
| 2026-02-10 16:00 | 952.8 | ||
| 2026-02-10 22:00 | 952.8 | ||
| 2026-02-11 04:00 | 952.8 | ||
| 2026-02-11 10:00 | 952.8 | ||
| 2026-02-11 16:00 | 952.8 | ||
| 2026-02-11 22:00 | 952.8 | ||
| 2026-02-12 04:00 | 952.8 | ||
| 2026-02-12 10:00 | 952.8 | ||
| 2026-02-12 16:00 | 952.8 | ||
| 2026-02-12 22:00 | 952.8 | ||
| 2026-02-13 04:00 | 952.8 | ||
| 2026-02-13 10:00 | 952.8 | ||
| 2026-02-13 16:00 | 952.8 | ||
| 2026-02-13 22:00 | 952.8 | ||
| 2026-02-14 04:00 | 952.8 | ||
| 2026-02-14 10:00 | 952.8 | ||
| 2026-02-14 16:00 | 952.8 | ||
| 2026-02-14 22:00 | 952.8 | ||
| 2026-02-15 04:00 | 952.8 | ||