COLUMBIA--CHIEF JOSEPH DAM (CHJW1)
| Observed | Forecast/Trend Issued: 2026-02-21 09:13 PST | ||
| Date/Time (PST) | Inflow | Date/Time (PST) | Inflow |
| 2026-02-22 00:00 | 142800 | 2026-02-22 04:00 | 146969.96 |
| 2026-02-21 00:00 | 155600 | 2026-02-22 10:00 | 147017.01 |
| 2026-02-20 00:00 | 137500 | 2026-02-22 16:00 | 147397.98 |
| 2026-02-19 00:00 | 133000 | 2026-02-22 22:00 | 147849.87 |
| 2026-02-18 00:00 | 136800 | 2026-02-23 04:00 | 150013.03 |
| 2026-02-17 00:00 | 146100 | 2026-02-23 10:00 | 152134.92 |
| 2026-02-16 00:00 | 117300 | 2026-02-23 16:00 | 152491.29 |
| 2026-02-15 00:00 | 113700 | 2026-02-23 22:00 | 152859.3 |
| 2026-02-14 00:00 | 124400 | 2026-02-24 04:00 | 153972.38 |
| 2026-02-13 00:00 | 123900 | 2026-02-24 10:00 | 155658.23 |
| 2026-02-12 00:00 | 119100 | 2026-02-24 16:00 | 157415.8 |
| 2026-02-24 22:00 | 159162.96 | ||
| 2026-02-25 04:00 | 159928.41 | ||
| 2026-02-25 10:00 | 159580.44 | ||
| 2026-02-25 16:00 | 158783.07 | ||
| 2026-02-25 22:00 | 158061.04 | ||
| 2026-02-26 04:00 | 157554.21 | ||
| 2026-02-26 10:00 | 156879.52 | ||
| 2026-02-26 16:00 | 156128.33 | ||
| 2026-02-26 22:00 | 155618 | ||
| 2026-02-27 04:00 | 155206.07 | ||
| 2026-02-27 10:00 | 154884.45 | ||
| 2026-02-27 16:00 | 154648.13 | ||
| 2026-02-27 22:00 | 154185 | ||
| 2026-02-28 04:00 | 153471.92 | ||
| 2026-02-28 10:00 | 152619.19 | ||
| 2026-02-28 16:00 | 151619.03 | ||
| 2026-02-28 22:00 | 148491.9 | ||
| 2026-03-01 04:00 | 135431.34 | ||
| 2026-03-01 10:00 | 124998.47 | ||
| 2026-03-01 16:00 | 124998.47 | ||
| 2026-03-01 22:00 | 124998.47 | ||
| 2026-03-02 04:00 | 132592.54 | ||
| 2026-03-02 10:00 | 139819.35 | ||
| 2026-03-02 16:00 | 139098.66 | ||
| 2026-03-02 22:00 | 138408.77 | ||
| 2026-03-03 04:00 | 138368.24 | ||