COLUMBIA--PRIEST RAPIDS DAM (PRWW1)
| Observed | Forecast/Trend Issued: 2026-01-22 09:58 PST | ||
| Date/Time (PST) | Pool Height | Date/Time (PST) | Pool Height |
| 2026-01-22 00:00 | 487.43 | 2026-01-23 04:00 | 487.39 |
| 2026-01-21 00:00 | 487.39 | 2026-01-23 10:00 | 487.39 |
| 2026-01-20 00:00 | 487.29 | 2026-01-23 16:00 | 487.39 |
| 2026-01-19 00:00 | 487.35 | 2026-01-23 22:00 | 487.39 |
| 2026-01-18 00:00 | 487.45 | 2026-01-24 04:00 | 487.39 |
| 2026-01-17 00:00 | 487.03 | 2026-01-24 10:00 | 487.39 |
| 2026-01-16 00:00 | 487.31 | 2026-01-24 16:00 | 487.39 |
| 2026-01-15 00:00 | 487.22 | 2026-01-24 22:00 | 487.39 |
| 2026-01-14 00:00 | 487.1 | 2026-01-25 04:00 | 487.39 |
| 2026-01-13 00:00 | 487.43 | 2026-01-25 10:00 | 487.39 |
| 2026-01-12 00:00 | 487.11 | 2026-01-25 16:00 | 487.39 |
| 2026-01-25 22:00 | 487.39 | ||
| 2026-01-26 04:00 | 487.39 | ||
| 2026-01-26 10:00 | 487.39 | ||
| 2026-01-26 16:00 | 487.39 | ||
| 2026-01-26 22:00 | 487.39 | ||
| 2026-01-27 04:00 | 487.39 | ||
| 2026-01-27 10:00 | 487.39 | ||
| 2026-01-27 16:00 | 487.39 | ||
| 2026-01-27 22:00 | 487.39 | ||
| 2026-01-28 04:00 | 487.39 | ||
| 2026-01-28 10:00 | 487.39 | ||
| 2026-01-28 16:00 | 487.39 | ||
| 2026-01-28 22:00 | 487.39 | ||
| 2026-01-29 04:00 | 487.39 | ||
| 2026-01-29 10:00 | 487.39 | ||
| 2026-01-29 16:00 | 487.39 | ||
| 2026-01-29 22:00 | 487.39 | ||
| 2026-01-30 04:00 | 487.39 | ||
| 2026-01-30 10:00 | 487.39 | ||
| 2026-01-30 16:00 | 487.39 | ||
| 2026-01-30 22:00 | 487.39 | ||
| 2026-01-31 04:00 | 487.39 | ||
| 2026-01-31 10:00 | 487.39 | ||
| 2026-01-31 16:00 | 487.39 | ||
| 2026-01-31 22:00 | 487.39 | ||
| 2026-02-01 04:00 | 487.39 | ||