COLUMBIA--PRIEST RAPIDS DAM (PRWW1)
| Observed | Forecast/Trend Issued: 2026-09-05 09:52 PDT | ||
| Date/Time (PDT) | Inflow | Date/Time (PDT) | Inflow |
| 2026-09-05 00:00 | 53800 | 2026-09-05 23:00 | 53406.86 |
| 2026-09-04 00:00 | 82900 | 2026-09-06 05:00 | 52561.54 |
| 2026-09-03 00:00 | 74800 | 2026-09-06 11:00 | 52406.87 |
| 2026-09-02 00:00 | 100600 | 2026-09-06 17:00 | 52386.53 |
| 2026-09-01 00:00 | 67900 | 2026-09-06 23:00 | 52382.9 |
| 2026-08-31 00:00 | 70600 | 2026-09-07 05:00 | 52382.72 |
| 2026-08-30 00:00 | 56400 | 2026-09-07 11:00 | 52385.65 |
| 2026-08-29 00:00 | 80700 | 2026-09-07 17:00 | 52391.46 |
| 2026-08-28 00:00 | 105900 | 2026-09-07 23:00 | 52399.01 |
| 2026-08-27 00:00 | 97300 | 2026-09-08 05:00 | 52407.13 |
| 2026-08-26 00:00 | 103500 | 2026-09-08 11:00 | 52415 |
| 2026-09-08 17:00 | 52422.5 | ||
| 2026-09-08 23:00 | 52429.19 | ||
| 2026-09-09 05:00 | 52434.61 | ||
| 2026-09-09 11:00 | 52438.77 | ||
| 2026-09-09 17:00 | 52441.5 | ||
| 2026-09-09 23:00 | 52442.47 | ||
| 2026-09-10 05:00 | 52441.5 | ||
| 2026-09-10 11:00 | 52438.51 | ||
| 2026-09-10 17:00 | 52433.11 | ||
| 2026-09-10 23:00 | 52426.25 | ||
| 2026-09-11 05:00 | 52418.94 | ||
| 2026-09-11 11:00 | 52412.38 | ||
| 2026-09-11 17:00 | 52406.97 | ||
| 2026-09-11 23:00 | 52402.87 | ||
| 2026-09-12 05:00 | 52400.08 | ||
| 2026-09-12 11:00 | 52398.45 | ||
| 2026-09-12 17:00 | 52397.79 | ||
| 2026-09-12 23:00 | 52398.05 | ||
| 2026-09-13 05:00 | 52405.9 | ||
| 2026-09-13 11:00 | 52432.51 | ||
| 2026-09-13 17:00 | 52477.92 | ||
| 2026-09-13 23:00 | 52531.73 | ||
| 2026-09-14 05:00 | 52585.75 | ||
| 2026-09-14 11:00 | 52638.48 | ||
| 2026-09-14 17:00 | 52690.96 | ||
| 2026-09-14 23:00 | 52744.44 | ||
| 2026-09-15 05:00 | 52798.83 | ||