COLUMBIA--PRIEST RAPIDS DAM (PRWW1)
| Observed | Forecast/Trend Issued: 2026-04-20 15:36 PDT | ||
| Date/Time (PDT) | Pool Height | Date/Time (PDT) | Pool Height |
| 2026-04-21 00:00 | 483.48 | 2026-04-21 05:00 | 483.55 |
| 2026-04-20 00:00 | 484.85 | 2026-04-21 11:00 | 483.55 |
| 2026-04-19 00:00 | 484.11 | 2026-04-21 17:00 | 483.55 |
| 2026-04-18 00:00 | 485.73 | 2026-04-21 23:00 | 483.55 |
| 2026-04-17 00:00 | 487.05 | 2026-04-22 05:00 | 483.55 |
| 2026-04-16 00:00 | 487.05 | 2026-04-22 11:00 | 483.55 |
| 2026-04-15 00:00 | 486.19 | 2026-04-22 17:00 | 483.55 |
| 2026-04-14 00:00 | 486.13 | 2026-04-22 23:00 | 483.55 |
| 2026-04-13 00:00 | 485.77 | 2026-04-23 05:00 | 483.55 |
| 2026-04-12 00:00 | 485.47 | 2026-04-23 11:00 | 483.55 |
| 2026-04-11 00:00 | 486.01 | 2026-04-23 17:00 | 483.55 |
| 2026-04-23 23:00 | 483.55 | ||
| 2026-04-24 05:00 | 483.55 | ||
| 2026-04-24 11:00 | 483.55 | ||
| 2026-04-24 17:00 | 483.55 | ||
| 2026-04-24 23:00 | 483.55 | ||
| 2026-04-25 05:00 | 483.55 | ||
| 2026-04-25 11:00 | 483.55 | ||
| 2026-04-25 17:00 | 483.55 | ||
| 2026-04-25 23:00 | 483.55 | ||
| 2026-04-26 05:00 | 483.55 | ||
| 2026-04-26 11:00 | 483.55 | ||
| 2026-04-26 17:00 | 483.55 | ||
| 2026-04-26 23:00 | 483.55 | ||
| 2026-04-27 05:00 | 483.55 | ||
| 2026-04-27 11:00 | 483.55 | ||
| 2026-04-27 17:00 | 483.55 | ||
| 2026-04-27 23:00 | 483.55 | ||
| 2026-04-28 05:00 | 483.55 | ||
| 2026-04-28 11:00 | 483.55 | ||
| 2026-04-28 17:00 | 483.55 | ||
| 2026-04-28 23:00 | 483.55 | ||
| 2026-04-29 05:00 | 483.55 | ||
| 2026-04-29 11:00 | 483.55 | ||
| 2026-04-29 17:00 | 483.55 | ||
| 2026-04-29 23:00 | 483.55 | ||
| 2026-04-30 05:00 | 483.55 | ||