COLUMBIA--PRIEST RAPIDS DAM (PRWW1)
| Observed | Forecast/Trend Issued: 2026-01-08 11:19 PST | ||
| Date/Time (PST) | Pool Height | Date/Time (PST) | Pool Height |
| 2026-01-08 00:00 | 487.24 | 2026-01-09 04:00 | 487.34 |
| 2026-01-07 00:00 | 486.54 | 2026-01-09 10:00 | 487.34 |
| 2026-01-06 00:00 | 485.8 | 2026-01-09 16:00 | 487.34 |
| 2026-01-05 00:00 | 486.45 | 2026-01-09 22:00 | 487.34 |
| 2026-01-04 00:00 | 486.3 | 2026-01-10 04:00 | 487.34 |
| 2026-01-03 00:00 | 486.2 | 2026-01-10 10:00 | 487.34 |
| 2026-01-02 00:00 | 486 | 2026-01-10 16:00 | 487.34 |
| 2026-01-01 00:00 | 486.62 | 2026-01-10 22:00 | 487.34 |
| 2025-12-31 00:00 | 487.19 | 2026-01-11 04:00 | 487.34 |
| 2025-12-30 00:00 | 486.46 | 2026-01-11 10:00 | 487.34 |
| 2025-12-29 00:00 | 486.74 | 2026-01-11 16:00 | 487.34 |
| 2026-01-11 22:00 | 487.34 | ||
| 2026-01-12 04:00 | 487.34 | ||
| 2026-01-12 10:00 | 487.34 | ||
| 2026-01-12 16:00 | 487.34 | ||
| 2026-01-12 22:00 | 487.34 | ||
| 2026-01-13 04:00 | 487.34 | ||
| 2026-01-13 10:00 | 487.34 | ||
| 2026-01-13 16:00 | 487.34 | ||
| 2026-01-13 22:00 | 487.34 | ||
| 2026-01-14 04:00 | 487.34 | ||
| 2026-01-14 10:00 | 487.34 | ||
| 2026-01-14 16:00 | 487.34 | ||
| 2026-01-14 22:00 | 487.34 | ||
| 2026-01-15 04:00 | 487.34 | ||
| 2026-01-15 10:00 | 487.34 | ||
| 2026-01-15 16:00 | 487.34 | ||
| 2026-01-15 22:00 | 487.34 | ||
| 2026-01-16 04:00 | 487.34 | ||
| 2026-01-16 10:00 | 487.34 | ||
| 2026-01-16 16:00 | 487.34 | ||
| 2026-01-16 22:00 | 487.34 | ||
| 2026-01-17 04:00 | 487.34 | ||
| 2026-01-17 10:00 | 487.34 | ||
| 2026-01-17 16:00 | 487.34 | ||
| 2026-01-17 22:00 | 487.34 | ||
| 2026-01-18 04:00 | 487.34 | ||