COLUMBIA--PRIEST RAPIDS DAM (PRWW1)
| Observed | Forecast/Trend Issued: 2026-05-23 10:51 PDT | ||
| Date/Time (PDT) | Inflow | Date/Time (PDT) | Inflow |
| 2026-05-23 00:00 | 145800 | 2026-05-23 17:00 | 142357.64 |
| 2026-05-22 00:00 | 153800 | 2026-05-23 23:00 | 140959.24 |
| 2026-05-21 00:00 | 155100 | 2026-05-24 05:00 | 140072.43 |
| 2026-05-20 00:00 | 152700 | 2026-05-24 11:00 | 140001.1 |
| 2026-05-19 00:00 | 147300 | 2026-05-24 17:00 | 140113.56 |
| 2026-05-18 00:00 | 156400 | 2026-05-24 23:00 | 140182.43 |
| 2026-05-17 00:00 | 143200 | 2026-05-25 05:00 | 140227.25 |
| 2026-05-16 00:00 | 154800 | 2026-05-25 11:00 | 140270.22 |
| 2026-05-15 00:00 | 155300 | 2026-05-25 17:00 | 140301.45 |
| 2026-05-14 00:00 | 136300 | 2026-05-25 23:00 | 140318.79 |
| 2026-05-13 00:00 | 157300 | 2026-05-26 05:00 | 140308.65 |
| 2026-05-26 11:00 | 140241.84 | ||
| 2026-05-26 17:00 | 140094.44 | ||
| 2026-05-26 23:00 | 139866.56 | ||
| 2026-05-27 05:00 | 139586.94 | ||
| 2026-05-27 11:00 | 139292.76 | ||
| 2026-05-27 17:00 | 139011.44 | ||
| 2026-05-27 23:00 | 138773.53 | ||
| 2026-05-28 05:00 | 138625.11 | ||
| 2026-05-28 11:00 | 138578.67 | ||
| 2026-05-28 17:00 | 138594.94 | ||
| 2026-05-28 23:00 | 138659.19 | ||
| 2026-05-29 05:00 | 138790.51 | ||
| 2026-05-29 11:00 | 139129.79 | ||
| 2026-05-29 17:00 | 139910.39 | ||
| 2026-05-29 23:00 | 141142.75 | ||
| 2026-05-30 05:00 | 142602.63 | ||
| 2026-05-30 11:00 | 144089.26 | ||
| 2026-05-30 17:00 | 145520.28 | ||
| 2026-05-30 23:00 | 146884.19 | ||
| 2026-05-31 05:00 | 148206.05 | ||
| 2026-05-31 11:00 | 149508.71 | ||
| 2026-05-31 17:00 | 150780.75 | ||
| 2026-05-31 23:00 | 151912.58 | ||
| 2026-06-01 05:00 | 152733.35 | ||
| 2026-06-01 11:00 | 153228.01 | ||
| 2026-06-01 17:00 | 153533.34 | ||
| 2026-06-01 23:00 | 153775.89 | ||
| 2026-06-02 05:00 | 154027.69 | ||