COLUMBIA--PRIEST RAPIDS DAM (PRWW1)
| Observed | Forecast/Trend Issued: 2026-05-30 16:03 PDT | ||
| Date/Time (PDT) | Inflow | Date/Time (PDT) | Inflow |
| 2026-05-31 00:00 | 122000 | 2026-05-31 05:00 | 152546.2 |
| 2026-05-30 00:00 | 148400 | 2026-05-31 11:00 | 155888.78 |
| 2026-05-29 00:00 | 132700 | 2026-05-31 17:00 | 157607.42 |
| 2026-05-28 00:00 | 142900 | 2026-05-31 23:00 | 158451.4 |
| 2026-05-27 00:00 | 145000 | 2026-06-01 05:00 | 159163.47 |
| 2026-05-26 00:00 | 130700 | 2026-06-01 11:00 | 159931.44 |
| 2026-05-25 00:00 | 130200 | 2026-06-01 17:00 | 160788.42 |
| 2026-05-24 00:00 | 134200 | 2026-06-01 23:00 | 161748.03 |
| 2026-05-23 00:00 | 145800 | 2026-06-02 05:00 | 162816.6 |
| 2026-05-22 00:00 | 153800 | 2026-06-02 11:00 | 163965.06 |
| 2026-05-21 00:00 | 155100 | 2026-06-02 17:00 | 165140.4 |
| 2026-06-02 23:00 | 166320.95 | ||
| 2026-06-03 05:00 | 167518.54 | ||
| 2026-06-03 11:00 | 168731.78 | ||
| 2026-06-03 17:00 | 169950.38 | ||
| 2026-06-03 23:00 | 171175.68 | ||
| 2026-06-04 05:00 | 172398.34 | ||
| 2026-06-04 11:00 | 173597.14 | ||
| 2026-06-04 17:00 | 174755.2 | ||
| 2026-06-04 23:00 | 175873.44 | ||
| 2026-06-05 05:00 | 176967.02 | ||
| 2026-06-05 11:00 | 178046.24 | ||
| 2026-06-05 17:00 | 179108.98 | ||
| 2026-06-05 23:00 | 180154.32 | ||
| 2026-06-06 05:00 | 181188.98 | ||
| 2026-06-06 11:00 | 182227.94 | ||
| 2026-06-06 17:00 | 183304.86 | ||
| 2026-06-06 23:00 | 184440.82 | ||
| 2026-06-07 05:00 | 185604.76 | ||
| 2026-06-07 11:00 | 186756.9 | ||
| 2026-06-07 17:00 | 187763.48 | ||
| 2026-06-07 23:00 | 188403.46 | ||
| 2026-06-08 05:00 | 188647.98 | ||
| 2026-06-08 11:00 | 188676.82 | ||
| 2026-06-08 17:00 | 188643.56 | ||
| 2026-06-08 23:00 | 188590.62 | ||
| 2026-06-09 05:00 | 188525.98 | ||