COLUMBIA--PRIEST RAPIDS DAM (PRWW1)
| Observed | Forecast/Trend Issued: 2026-04-11 10:58 PDT | ||
| Date/Time (PDT) | Inflow | Date/Time (PDT) | Inflow |
| 2026-04-11 00:00 | 129800 | 2026-04-11 17:00 | 131195.65 |
| 2026-04-10 00:00 | 120000 | 2026-04-11 23:00 | 130049.99 |
| 2026-04-09 00:00 | 119900 | 2026-04-12 05:00 | 130127.93 |
| 2026-04-08 00:00 | 99900 | 2026-04-12 11:00 | 130725.39 |
| 2026-04-07 00:00 | 124400 | 2026-04-12 17:00 | 131257.61 |
| 2026-04-06 00:00 | 122500 | 2026-04-12 23:00 | 131621.32 |
| 2026-04-05 00:00 | 132600 | 2026-04-13 05:00 | 131903.2 |
| 2026-04-04 00:00 | 135900 | 2026-04-13 11:00 | 132226.29 |
| 2026-04-03 00:00 | 119300 | 2026-04-13 17:00 | 132652.15 |
| 2026-04-02 00:00 | 145500 | 2026-04-13 23:00 | 133151.23 |
| 2026-04-01 00:00 | 156900 | 2026-04-14 05:00 | 133654.37 |
| 2026-04-14 11:00 | 134109.36 | ||
| 2026-04-14 17:00 | 134493.26 | ||
| 2026-04-14 23:00 | 134810.96 | ||
| 2026-04-15 05:00 | 135122.07 | ||
| 2026-04-15 11:00 | 135482.65 | ||
| 2026-04-15 17:00 | 135844.97 | ||
| 2026-04-15 23:00 | 136120.09 | ||
| 2026-04-16 05:00 | 136266.62 | ||
| 2026-04-16 11:00 | 136307.6 | ||
| 2026-04-16 17:00 | 136279.21 | ||
| 2026-04-16 23:00 | 136206.82 | ||
| 2026-04-17 05:00 | 136109.18 | ||
| 2026-04-17 11:00 | 136004.85 | ||
| 2026-04-17 17:00 | 135907 | ||
| 2026-04-17 23:00 | 135824.01 | ||
| 2026-04-18 05:00 | 135761.25 | ||
| 2026-04-18 11:00 | 135720.34 | ||
| 2026-04-18 17:00 | 135696.69 | ||
| 2026-04-18 23:00 | 135688.25 | ||
| 2026-04-19 05:00 | 135692.98 | ||
| 2026-04-19 11:00 | 135711.14 | ||
| 2026-04-19 17:00 | 135742.19 | ||
| 2026-04-19 23:00 | 135787.95 | ||
| 2026-04-20 05:00 | 135854.06 | ||
| 2026-04-20 11:00 | 135958.08 | ||
| 2026-04-20 17:00 | 136118.48 | ||
| 2026-04-20 23:00 | 136265.55 | ||
| 2026-04-21 05:00 | 136358.95 | ||