COLUMBIA--CHIEF JOSEPH DAM (CHJW1)
| Observed | Forecast/Trend Issued: 2026-02-07 10:10 PST | ||
| Date/Time (PST) | Inflow | Date/Time (PST) | Inflow |
| 2026-02-07 00:00 | 120500 | 2026-02-07 22:00 | 111086.47 |
| 2026-02-06 00:00 | 113800 | 2026-02-08 04:00 | 110542.56 |
| 2026-02-05 00:00 | 104600 | 2026-02-08 10:00 | 109998.65 |
| 2026-02-04 00:00 | 121200 | 2026-02-08 16:00 | 109998.65 |
| 2026-02-03 00:00 | 125300 | 2026-02-08 22:00 | 109998.65 |
| 2026-02-02 00:00 | 110100 | 2026-02-09 04:00 | 109998.65 |
| 2026-02-01 00:00 | 113800 | 2026-02-09 10:00 | 109998.65 |
| 2026-01-31 00:00 | 135300 | 2026-02-09 16:00 | 109998.65 |
| 2026-01-30 00:00 | 132400 | 2026-02-09 22:00 | 122498.49 |
| 2026-01-29 00:00 | 126200 | 2026-02-10 04:00 | 134998.32 |
| 2026-01-28 00:00 | 136900 | 2026-02-10 10:00 | 134998.32 |
| 2026-02-10 16:00 | 134998.32 | ||
| 2026-02-10 22:00 | 134998.32 | ||
| 2026-02-11 04:00 | 134998.32 | ||
| 2026-02-11 10:00 | 134998.32 | ||
| 2026-02-11 16:00 | 134998.32 | ||
| 2026-02-11 22:00 | 134998.32 | ||
| 2026-02-12 04:00 | 134998.32 | ||
| 2026-02-12 10:00 | 134998.32 | ||
| 2026-02-12 16:00 | 134998.32 | ||
| 2026-02-12 22:00 | 134998.32 | ||
| 2026-02-13 04:00 | 134998.32 | ||
| 2026-02-13 10:00 | 134998.32 | ||
| 2026-02-13 16:00 | 134998.32 | ||
| 2026-02-13 22:00 | 134998.32 | ||
| 2026-02-14 04:00 | 134998.32 | ||
| 2026-02-14 10:00 | 134998.32 | ||
| 2026-02-14 16:00 | 134998.32 | ||
| 2026-02-14 22:00 | 134998.32 | ||
| 2026-02-15 04:00 | 134998.32 | ||
| 2026-02-15 10:00 | 134998.32 | ||
| 2026-02-15 16:00 | 134998.32 | ||
| 2026-02-15 22:00 | 134998.32 | ||
| 2026-02-16 04:00 | 134998.32 | ||
| 2026-02-16 10:00 | 134998.32 | ||
| 2026-02-16 16:00 | 134998.32 | ||
| 2026-02-16 22:00 | 134998.32 | ||
| 2026-02-17 04:00 | 134998.32 | ||