COLUMBIA--THE DALLES DAM (TDAO3)
| Observed | Forecast/Trend Issued: 2026-04-10 16:28 PDT | ||
| Date/Time (PDT) | Inflow | Date/Time (PDT) | Inflow |
| 2026-04-11 00:00 | 174700 | 2026-04-11 11:00 | 198747.16 |
| 2026-04-10 00:00 | 177200 | 2026-04-11 17:00 | 199699.42 |
| 2026-04-09 00:00 | 174200 | 2026-04-11 23:00 | 202654.1 |
| 2026-04-08 00:00 | 188600 | 2026-04-12 05:00 | 206122.44 |
| 2026-04-07 00:00 | 198400 | 2026-04-12 11:00 | 209427.82 |
| 2026-04-06 00:00 | 205300 | 2026-04-12 17:00 | 212996.22 |
| 2026-04-05 00:00 | 201700 | 2026-04-12 23:00 | 216999.6 |
| 2026-04-04 00:00 | 204500 | 2026-04-13 05:00 | 221266.26 |
| 2026-04-03 00:00 | 203000 | 2026-04-13 11:00 | 225486.06 |
| 2026-04-02 00:00 | 223100 | 2026-04-13 17:00 | 229937.3 |
| 2026-04-01 00:00 | 227200 | 2026-04-13 23:00 | 235278.06 |
| 2026-04-14 05:00 | 241470.06 | ||
| 2026-04-14 11:00 | 247105.42 | ||
| 2026-04-14 17:00 | 251081.14 | ||
| 2026-04-14 23:00 | 253201.78 | ||
| 2026-04-15 05:00 | 253706.78 | ||
| 2026-04-15 11:00 | 252796.5 | ||
| 2026-04-15 17:00 | 250867.02 | ||
| 2026-04-15 23:00 | 248468.88 | ||
| 2026-04-16 05:00 | 246314.16 | ||
| 2026-04-16 11:00 | 244847.24 | ||
| 2026-04-16 17:00 | 244221.34 | ||
| 2026-04-16 23:00 | 244146.26 | ||
| 2026-04-17 05:00 | 244006.74 | ||
| 2026-04-17 11:00 | 243287.22 | ||
| 2026-04-17 17:00 | 241829.26 | ||
| 2026-04-17 23:00 | 239752.5 | ||
| 2026-04-18 05:00 | 237290.86 | ||
| 2026-04-18 11:00 | 234674.26 | ||
| 2026-04-18 17:00 | 232073.52 | ||
| 2026-04-18 23:00 | 229596.7 | ||
| 2026-04-19 05:00 | 227296.12 | ||
| 2026-04-19 11:00 | 225182.92 | ||
| 2026-04-19 17:00 | 223258.06 | ||
| 2026-04-19 23:00 | 221548.18 | ||
| 2026-04-20 05:00 | 220135.14 | ||