COLUMBIA--PRIEST RAPIDS DAM (PRWW1)
| Observed | Forecast/Trend Issued: 2026-05-02 15:36 PDT | ||
| Date/Time (PDT) | Inflow | Date/Time (PDT) | Inflow |
| 2026-05-03 00:00 | 173900 | 2026-05-03 11:00 | 157416.87 |
| 2026-05-02 00:00 | 168200 | 2026-05-03 17:00 | 158756.56 |
| 2026-05-01 00:00 | 163400 | 2026-05-03 23:00 | 160006.91 |
| 2026-04-30 00:00 | 155300 | 2026-05-04 05:00 | 161315.99 |
| 2026-04-29 00:00 | 136500 | 2026-05-04 11:00 | 163067.73 |
| 2026-04-28 00:00 | 137700 | 2026-05-04 17:00 | 165301.53 |
| 2026-04-27 00:00 | 143000 | 2026-05-04 23:00 | 167734.22 |
| 2026-04-26 00:00 | 151500 | 2026-05-05 05:00 | 170100.58 |
| 2026-04-25 00:00 | 153000 | 2026-05-05 11:00 | 172240.58 |
| 2026-04-24 00:00 | 136200 | 2026-05-05 17:00 | 174000.52 |
| 2026-04-23 00:00 | 137800 | 2026-05-05 23:00 | 175403.36 |
| 2026-05-06 05:00 | 176629.46 | ||
| 2026-05-06 11:00 | 177733.68 | ||
| 2026-05-06 17:00 | 178586.68 | ||
| 2026-05-06 23:00 | 179165.82 | ||
| 2026-05-07 05:00 | 179631.88 | ||
| 2026-05-07 11:00 | 180083.4 | ||
| 2026-05-07 17:00 | 180495.26 | ||
| 2026-05-07 23:00 | 181025.84 | ||
| 2026-05-08 05:00 | 182113.2 | ||
| 2026-05-08 11:00 | 184037.68 | ||
| 2026-05-08 17:00 | 186519.6 | ||
| 2026-05-08 23:00 | 188967.68 | ||
| 2026-05-09 05:00 | 190958.78 | ||
| 2026-05-09 11:00 | 192362.56 | ||
| 2026-05-09 17:00 | 193204.68 | ||
| 2026-05-09 23:00 | 193631.16 | ||
| 2026-05-10 05:00 | 193872.78 | ||
| 2026-05-10 11:00 | 194079.06 | ||
| 2026-05-10 17:00 | 194233.56 | ||
| 2026-05-10 23:00 | 194324.06 | ||
| 2026-05-11 05:00 | 194445.78 | ||
| 2026-05-11 11:00 | 194665.72 | ||
| 2026-05-11 17:00 | 194936.06 | ||
| 2026-05-11 23:00 | 195226.58 | ||
| 2026-05-12 05:00 | 195599.14 | ||