COLUMBIA--PRIEST RAPIDS DAM (PRWW1)
| Observed | Forecast/Trend Issued: 2026-01-26 10:18 PST | ||
| Date/Time (PST) | Inflow | Date/Time (PST) | Inflow |
| 2026-01-26 00:00 | 157000 | 2026-01-26 22:00 | 161046.34 |
| 2026-01-25 00:00 | 147800 | 2026-01-27 04:00 | 160270.07 |
| 2026-01-24 00:00 | 147600 | 2026-01-27 10:00 | 157913.67 |
| 2026-01-23 00:00 | 154300 | 2026-01-27 16:00 | 155341.71 |
| 2026-01-22 00:00 | 160700 | 2026-01-27 22:00 | 153422.1 |
| 2026-01-21 00:00 | 157600 | 2026-01-28 04:00 | 152018.28 |
| 2026-01-20 00:00 | 167200 | 2026-01-28 10:00 | 150784.53 |
| 2026-01-19 00:00 | 166300 | 2026-01-28 16:00 | 149577.09 |
| 2026-01-18 00:00 | 157400 | 2026-01-28 22:00 | 148377.53 |
| 2026-01-17 00:00 | 173100 | 2026-01-29 04:00 | 147197.97 |
| 2026-01-16 00:00 | 169200 | 2026-01-29 10:00 | 146054.14 |
| 2026-01-29 16:00 | 144954.04 | ||
| 2026-01-29 22:00 | 143912.02 | ||
| 2026-01-30 04:00 | 142946.23 | ||
| 2026-01-30 10:00 | 142053.21 | ||
| 2026-01-30 16:00 | 141247.53 | ||
| 2026-01-30 22:00 | 140579.19 | ||
| 2026-01-31 04:00 | 140046.3 | ||
| 2026-01-31 10:00 | 139543.85 | ||
| 2026-01-31 16:00 | 138956.05 | ||
| 2026-01-31 22:00 | 138243.97 | ||
| 2026-02-01 04:00 | 138174.56 | ||
| 2026-02-01 10:00 | 139475.62 | ||
| 2026-02-01 16:00 | 141187.01 | ||
| 2026-02-01 22:00 | 142148.51 | ||
| 2026-02-02 04:00 | 142423.45 | ||
| 2026-02-02 10:00 | 142495.76 | ||
| 2026-02-02 16:00 | 142543.95 | ||
| 2026-02-02 22:00 | 142556.88 | ||
| 2026-02-03 04:00 | 142521.82 | ||
| 2026-02-03 10:00 | 142439.73 | ||
| 2026-02-03 16:00 | 142310.23 | ||
| 2026-02-03 22:00 | 142153.7 | ||
| 2026-02-04 04:00 | 141996.31 | ||
| 2026-02-04 10:00 | 141855.16 | ||
| 2026-02-04 16:00 | 141734.68 | ||
| 2026-02-04 22:00 | 141637.57 | ||
| 2026-02-05 04:00 | 141567.41 | ||