COLUMBIA--THE DALLES DAM (TDAO3)
| Observed | Forecast/Trend Issued: 2026-04-11 10:58 PDT | ||
| Date/Time (PDT) | Inflow | Date/Time (PDT) | Inflow |
| 2026-04-11 00:00 | 174700 | 2026-04-11 17:00 | 200907.54 |
| 2026-04-10 00:00 | 177200 | 2026-04-11 23:00 | 206605.68 |
| 2026-04-09 00:00 | 174200 | 2026-04-12 05:00 | 207859.1 |
| 2026-04-08 00:00 | 188600 | 2026-04-12 11:00 | 208200.42 |
| 2026-04-07 00:00 | 198400 | 2026-04-12 17:00 | 209148.4 |
| 2026-04-06 00:00 | 205300 | 2026-04-12 23:00 | 210389.92 |
| 2026-04-05 00:00 | 201700 | 2026-04-13 05:00 | 212842.9 |
| 2026-04-04 00:00 | 204500 | 2026-04-13 11:00 | 216076.56 |
| 2026-04-03 00:00 | 203000 | 2026-04-13 17:00 | 220077.68 |
| 2026-04-02 00:00 | 223100 | 2026-04-13 23:00 | 225351.06 |
| 2026-04-01 00:00 | 227200 | 2026-04-14 05:00 | 231836.28 |
| 2026-04-14 11:00 | 238136.4 | ||
| 2026-04-14 17:00 | 243047.12 | ||
| 2026-04-14 23:00 | 246183.02 | ||
| 2026-04-15 05:00 | 247617.74 | ||
| 2026-04-15 11:00 | 247459.18 | ||
| 2026-04-15 17:00 | 246104.54 | ||
| 2026-04-15 23:00 | 244189.78 | ||
| 2026-04-16 05:00 | 242527.24 | ||
| 2026-04-16 11:00 | 241607.58 | ||
| 2026-04-16 17:00 | 241550.94 | ||
| 2026-04-16 23:00 | 241966.36 | ||
| 2026-04-17 05:00 | 242160.86 | ||
| 2026-04-17 11:00 | 241584.86 | ||
| 2026-04-17 17:00 | 240099.28 | ||
| 2026-04-17 23:00 | 237906.38 | ||
| 2026-04-18 05:00 | 235311.72 | ||
| 2026-04-18 11:00 | 232570.84 | ||
| 2026-04-18 17:00 | 229854.74 | ||
| 2026-04-18 23:00 | 227268.56 | ||
| 2026-04-19 05:00 | 224882.64 | ||
| 2026-04-19 11:00 | 222718.32 | ||
| 2026-04-19 17:00 | 220774.1 | ||
| 2026-04-19 23:00 | 219082.06 | ||
| 2026-04-20 05:00 | 217738.98 | ||
| 2026-04-20 11:00 | 216973.18 | ||
| 2026-04-20 17:00 | 216978.14 | ||
| 2026-04-20 23:00 | 217591.78 | ||
| 2026-04-21 05:00 | 218420.42 | ||