COLUMBIA--CHIEF JOSEPH DAM (CHJW1)
| Observed | Forecast/Trend Issued: 2026-02-21 09:13 PST | ||
| Date/Time (PST) | Pool Height | Date/Time (PST) | Pool Height |
| 2026-02-21 00:00 | 953.7 | 2026-02-21 16:00 | 953.8 |
| 2026-02-20 00:00 | 953 | 2026-02-21 22:00 | 953.8 |
| 2026-02-19 00:00 | 952.3 | 2026-02-22 04:00 | 953.8 |
| 2026-02-18 00:00 | 952.9 | 2026-02-22 10:00 | 953.8 |
| 2026-02-17 00:00 | 952.8 | 2026-02-22 16:00 | 953.8 |
| 2026-02-16 00:00 | 952.9 | 2026-02-22 22:00 | 953.8 |
| 2026-02-15 00:00 | 952.7 | 2026-02-23 04:00 | 953.8 |
| 2026-02-14 00:00 | 952.2 | 2026-02-23 10:00 | 953.8 |
| 2026-02-13 00:00 | 952.1 | 2026-02-23 16:00 | 953.8 |
| 2026-02-12 00:00 | 952.5 | 2026-02-23 22:00 | 953.8 |
| 2026-02-11 00:00 | 952.1 | 2026-02-24 04:00 | 953.8 |
| 2026-02-24 10:00 | 953.8 | ||
| 2026-02-24 16:00 | 953.8 | ||
| 2026-02-24 22:00 | 953.8 | ||
| 2026-02-25 04:00 | 953.8 | ||
| 2026-02-25 10:00 | 953.8 | ||
| 2026-02-25 16:00 | 953.8 | ||
| 2026-02-25 22:00 | 953.8 | ||
| 2026-02-26 04:00 | 953.8 | ||
| 2026-02-26 10:00 | 953.8 | ||
| 2026-02-26 16:00 | 953.8 | ||
| 2026-02-26 22:00 | 953.8 | ||
| 2026-02-27 04:00 | 953.8 | ||
| 2026-02-27 10:00 | 953.8 | ||
| 2026-02-27 16:00 | 953.8 | ||
| 2026-02-27 22:00 | 953.8 | ||
| 2026-02-28 04:00 | 953.8 | ||
| 2026-02-28 10:00 | 953.8 | ||
| 2026-02-28 16:00 | 953.8 | ||
| 2026-02-28 22:00 | 953.8 | ||
| 2026-03-01 04:00 | 953.8 | ||
| 2026-03-01 10:00 | 953.8 | ||
| 2026-03-01 16:00 | 953.8 | ||
| 2026-03-01 22:00 | 953.8 | ||
| 2026-03-02 04:00 | 953.8 | ||
| 2026-03-02 10:00 | 953.8 | ||
| 2026-03-02 16:00 | 953.8 | ||
| 2026-03-02 22:00 | 953.8 | ||
| 2026-03-03 04:00 | 953.8 | ||