COLUMBIA--CHIEF JOSEPH DAM (CHJW1)
| Observed | Forecast/Trend Issued: 2026-08-19 09:44 PDT | ||
| Date/Time (PDT) | Pool Height | Date/Time (PDT) | Pool Height |
| 2026-08-19 00:00 | 952.1 | 2026-08-19 17:00 | 951.9 |
| 2026-08-18 00:00 | 952.3 | 2026-08-19 23:00 | 951.9 |
| 2026-08-17 00:00 | 951.7 | 2026-08-20 05:00 | 951.9 |
| 2026-08-16 00:00 | 952.1 | 2026-08-20 11:00 | 951.9 |
| 2026-08-15 00:00 | 952.1 | 2026-08-20 17:00 | 951.9 |
| 2026-08-14 00:00 | 952.5 | 2026-08-20 23:00 | 951.9 |
| 2026-08-13 00:00 | 952.4 | 2026-08-21 05:00 | 951.9 |
| 2026-08-12 00:00 | 952.5 | 2026-08-21 11:00 | 951.9 |
| 2026-08-11 00:00 | 952.4 | 2026-08-21 17:00 | 951.9 |
| 2026-08-10 00:00 | 953.1 | 2026-08-21 23:00 | 951.9 |
| 2026-08-09 00:00 | 953.2 | 2026-08-22 05:00 | 951.9 |
| 2026-08-22 11:00 | 951.9 | ||
| 2026-08-22 17:00 | 951.9 | ||
| 2026-08-22 23:00 | 951.9 | ||
| 2026-08-23 05:00 | 951.9 | ||
| 2026-08-23 11:00 | 951.9 | ||
| 2026-08-23 17:00 | 951.9 | ||
| 2026-08-23 23:00 | 951.9 | ||
| 2026-08-24 05:00 | 951.9 | ||
| 2026-08-24 11:00 | 951.9 | ||
| 2026-08-24 17:00 | 951.9 | ||
| 2026-08-24 23:00 | 951.9 | ||
| 2026-08-25 05:00 | 951.9 | ||
| 2026-08-25 11:00 | 951.9 | ||
| 2026-08-25 17:00 | 951.9 | ||
| 2026-08-25 23:00 | 951.9 | ||
| 2026-08-26 05:00 | 951.9 | ||
| 2026-08-26 11:00 | 951.9 | ||
| 2026-08-26 17:00 | 951.9 | ||
| 2026-08-26 23:00 | 951.9 | ||
| 2026-08-27 05:00 | 951.9 | ||
| 2026-08-27 11:00 | 951.9 | ||
| 2026-08-27 17:00 | 951.9 | ||
| 2026-08-27 23:00 | 951.9 | ||
| 2026-08-28 05:00 | 951.9 | ||
| 2026-08-28 11:00 | 951.9 | ||
| 2026-08-28 17:00 | 951.9 | ||
| 2026-08-28 23:00 | 951.9 | ||
| 2026-08-29 05:00 | 951.9 | ||