COLUMBIA--PRIEST RAPIDS DAM (PRWW1)
| Observed | Forecast/Trend Issued: 2026-10-27 09:14 PDT | ||
| Date/Time (PDT) | Inflow | Date/Time (PDT) | Inflow |
| 2026-10-28 00:00 | 48900 | 2026-10-28 05:00 | 57970.55 |
| 2026-10-27 00:00 | 58400 | 2026-10-28 11:00 | 58613.47 |
| 2026-10-26 00:00 | 43900 | 2026-10-28 17:00 | 58709.92 |
| 2026-10-25 00:00 | 44100 | 2026-10-28 23:00 | 58715.35 |
| 2026-10-24 00:00 | 47000 | 2026-10-29 05:00 | 58714.46 |
| 2026-10-23 00:00 | 57500 | 2026-10-29 11:00 | 58712.6 |
| 2026-10-22 00:00 | 61300 | 2026-10-29 17:00 | 58710.18 |
| 2026-10-21 00:00 | 65800 | 2026-10-29 23:00 | 58707.4 |
| 2026-10-20 00:00 | 56900 | 2026-10-30 05:00 | 60916.66 |
| 2026-10-19 00:00 | 44900 | 2026-10-30 11:00 | 67373.92 |
| 2026-10-18 00:00 | 38900 | 2026-10-30 17:00 | 75143.3 |
| 2026-10-30 23:00 | 80695.65 | ||
| 2026-10-31 05:00 | 84100.47 | ||
| 2026-10-31 11:00 | 86872.23 | ||
| 2026-10-31 17:00 | 89905.29 | ||
| 2026-11-01 00:00 | 93351.19 | ||
| 2026-11-01 05:00 | 97025.72 | ||
| 2026-11-01 11:00 | 100341.95 | ||
| 2026-11-01 17:00 | 102482.06 | ||
| 2026-11-01 23:00 | 103333.72 | ||
| 2026-11-02 05:00 | 103482.57 | ||
| 2026-11-02 11:00 | 103428.44 | ||
| 2026-11-02 17:00 | 103344.2 | ||
| 2026-11-02 23:00 | 103257.99 | ||
| 2026-11-03 05:00 | 103171.25 | ||
| 2026-11-03 11:00 | 103084.23 | ||
| 2026-11-03 17:00 | 102996.86 | ||
| 2026-11-03 23:00 | 102908.97 | ||
| 2026-11-04 05:00 | 102820.98 | ||
| 2026-11-04 11:00 | 102742.32 | ||
| 2026-11-04 17:00 | 102689.47 | ||
| 2026-11-04 23:00 | 102605.71 | ||
| 2026-11-05 05:00 | 102371.21 | ||
| 2026-11-05 11:00 | 101960.08 | ||
| 2026-11-05 17:00 | 101450.77 | ||
| 2026-11-05 23:00 | 100912.73 | ||
| 2026-11-06 05:00 | 100370.54 | ||