COLUMBIA--PRIEST RAPIDS DAM (PRWW1)
| Observed | Forecast/Trend Issued: 2026-04-07 10:47 PDT | ||
| Date/Time (PDT) | Inflow | Date/Time (PDT) | Inflow |
| 2026-04-07 00:00 | 124400 | 2026-04-07 17:00 | 120633.22 |
| 2026-04-06 00:00 | 122500 | 2026-04-07 23:00 | 121283.71 |
| 2026-04-05 00:00 | 132600 | 2026-04-08 05:00 | 121840.91 |
| 2026-04-04 00:00 | 135900 | 2026-04-08 11:00 | 121833.69 |
| 2026-04-03 00:00 | 119300 | 2026-04-08 17:00 | 121571.77 |
| 2026-04-02 00:00 | 145500 | 2026-04-08 23:00 | 121266.96 |
| 2026-04-01 00:00 | 156900 | 2026-04-09 05:00 | 121007.58 |
| 2026-03-31 00:00 | 140000 | 2026-04-09 11:00 | 120832.74 |
| 2026-03-30 00:00 | 138400 | 2026-04-09 17:00 | 120732.79 |
| 2026-03-29 00:00 | 169700 | 2026-04-09 23:00 | 120682 |
| 2026-03-28 00:00 | 165500 | 2026-04-10 05:00 | 120677.99 |
| 2026-04-10 11:00 | 120698.62 | ||
| 2026-04-10 17:00 | 120675 | ||
| 2026-04-10 23:00 | 120608.86 | ||
| 2026-04-11 05:00 | 120576.64 | ||
| 2026-04-11 11:00 | 120605.32 | ||
| 2026-04-11 17:00 | 120648.98 | ||
| 2026-04-11 23:00 | 120664.11 | ||
| 2026-04-12 05:00 | 120653.05 | ||
| 2026-04-12 11:00 | 120640.59 | ||
| 2026-04-12 17:00 | 121217.01 | ||
| 2026-04-12 23:00 | 122949.06 | ||
| 2026-04-13 05:00 | 125124.19 | ||
| 2026-04-13 11:00 | 126824.37 | ||
| 2026-04-13 17:00 | 128017.17 | ||
| 2026-04-13 23:00 | 129005.74 | ||
| 2026-04-14 05:00 | 129911.32 | ||
| 2026-04-14 11:00 | 130722.05 | ||
| 2026-04-14 17:00 | 131411.44 | ||
| 2026-04-14 23:00 | 131978.44 | ||
| 2026-04-15 05:00 | 132442.57 | ||
| 2026-04-15 11:00 | 132826.39 | ||
| 2026-04-15 17:00 | 133144.5 | ||
| 2026-04-15 23:00 | 133409.99 | ||
| 2026-04-16 05:00 | 133643.01 | ||
| 2026-04-16 11:00 | 133862.12 | ||
| 2026-04-16 17:00 | 134069.64 | ||
| 2026-04-16 23:00 | 134269.74 | ||
| 2026-04-17 05:00 | 134480.33 | ||