COLUMBIA--PRIEST RAPIDS DAM (PRWW1)
| Observed | Forecast/Trend Issued: 2026-08-22 09:35 PDT | ||
| Date/Time (PDT) | Inflow | Date/Time (PDT) | Inflow |
| 2026-08-22 00:00 | 104100 | 2026-08-22 23:00 | 87681.72 |
| 2026-08-21 00:00 | 98500 | 2026-08-23 05:00 | 87262.06 |
| 2026-08-20 00:00 | 91200 | 2026-08-23 11:00 | 87285.74 |
| 2026-08-19 00:00 | 85200 | 2026-08-23 17:00 | 87302.38 |
| 2026-08-18 00:00 | 94500 | 2026-08-23 23:00 | 87303.81 |
| 2026-08-17 00:00 | 104100 | 2026-08-24 05:00 | 87113.91 |
| 2026-08-16 00:00 | 92300 | 2026-08-24 11:00 | 86590.23 |
| 2026-08-15 00:00 | 98200 | 2026-08-24 17:00 | 86046.57 |
| 2026-08-14 00:00 | 97200 | 2026-08-24 23:00 | 85813.17 |
| 2026-08-13 00:00 | 95000 | 2026-08-25 05:00 | 85844.67 |
| 2026-08-12 00:00 | 81500 | 2026-08-25 11:00 | 85957.84 |
| 2026-08-25 17:00 | 86055.89 | ||
| 2026-08-25 23:00 | 86124.69 | ||
| 2026-08-26 05:00 | 86174.61 | ||
| 2026-08-26 11:00 | 86208.48 | ||
| 2026-08-26 17:00 | 86226.53 | ||
| 2026-08-26 23:00 | 86237.35 | ||
| 2026-08-27 05:00 | 86247.01 | ||
| 2026-08-27 11:00 | 86246.77 | ||
| 2026-08-27 17:00 | 86227.75 | ||
| 2026-08-27 23:00 | 86195.54 | ||
| 2026-08-28 05:00 | 86158.45 | ||
| 2026-08-28 11:00 | 86114.69 | ||
| 2026-08-28 17:00 | 86063.84 | ||
| 2026-08-28 23:00 | 86017.23 | ||
| 2026-08-29 05:00 | 85929.65 | ||
| 2026-08-29 11:00 | 85526.58 | ||
| 2026-08-29 17:00 | 84356.48 | ||
| 2026-08-29 23:00 | 82330.06 | ||
| 2026-08-30 05:00 | 80058.09 | ||
| 2026-08-30 11:00 | 78325.91 | ||
| 2026-08-30 17:00 | 77407.13 | ||
| 2026-08-30 23:00 | 77081.39 | ||
| 2026-08-31 05:00 | 77049.65 | ||
| 2026-08-31 11:00 | 77146.88 | ||
| 2026-08-31 17:00 | 77314.36 | ||
| 2026-08-31 23:00 | 77532.85 | ||
| 2026-09-01 05:00 | 74915.4 | ||