COLUMBIA--MCNARY DAM (MCDW1)
| Observed | Forecast/Trend Issued: 2026-04-25 09:25 PDT | ||
| Date/Time (PDT) | Inflow | Date/Time (PDT) | Inflow |
| 2026-04-25 00:00 | 236700 | 2026-04-25 17:00 | 245208.3 |
| 2026-04-24 00:00 | 227000 | 2026-04-25 23:00 | 247177.84 |
| 2026-04-23 00:00 | 224000 | 2026-04-26 05:00 | 246443.72 |
| 2026-04-22 00:00 | 216900 | 2026-04-26 11:00 | 246405.46 |
| 2026-04-21 00:00 | 215400 | 2026-04-26 17:00 | 244428.44 |
| 2026-04-20 00:00 | 194000 | 2026-04-26 23:00 | 242737.1 |
| 2026-04-19 00:00 | 220900 | 2026-04-27 05:00 | 241402.64 |
| 2026-04-18 00:00 | 219700 | 2026-04-27 11:00 | 240525.78 |
| 2026-04-17 00:00 | 214900 | 2026-04-27 17:00 | 239681.54 |
| 2026-04-16 00:00 | 204600 | 2026-04-27 23:00 | 238449.14 |
| 2026-04-15 00:00 | 207000 | 2026-04-28 05:00 | 236688.1 |
| 2026-04-28 11:00 | 234552.1 | ||
| 2026-04-28 17:00 | 232344.46 | ||
| 2026-04-28 23:00 | 230246.46 | ||
| 2026-04-29 05:00 | 228131.34 | ||
| 2026-04-29 11:00 | 225844.24 | ||
| 2026-04-29 17:00 | 223576.44 | ||
| 2026-04-29 23:00 | 221692.22 | ||
| 2026-04-30 05:00 | 220336.94 | ||
| 2026-04-30 11:00 | 219396.6 | ||
| 2026-04-30 17:00 | 218716.64 | ||
| 2026-04-30 23:00 | 218219.38 | ||
| 2026-05-01 05:00 | 217884.76 | ||
| 2026-05-01 11:00 | 217715.24 | ||
| 2026-05-01 17:00 | 217713.46 | ||
| 2026-05-01 23:00 | 217880.32 | ||
| 2026-05-02 05:00 | 218239.08 | ||
| 2026-05-02 11:00 | 218838.08 | ||
| 2026-05-02 17:00 | 219691.62 | ||
| 2026-05-02 23:00 | 220744.54 | ||
| 2026-05-03 05:00 | 221905.74 | ||
| 2026-05-03 11:00 | 223126.78 | ||
| 2026-05-03 17:00 | 224399.78 | ||
| 2026-05-03 23:00 | 225702.34 | ||
| 2026-05-04 05:00 | 227022.24 | ||
| 2026-05-04 11:00 | 228388.28 | ||
| 2026-05-04 17:00 | 229852.26 | ||
| 2026-05-04 23:00 | 231465.32 | ||
| 2026-05-05 05:00 | 233270.1 | ||