COLUMBIA--MCNARY DAM (MCDW1)
| Observed | Forecast/Trend Issued: 2025-12-25 11:03 PST | ||
| Date/Time (PST) | Inflow | Date/Time (PST) | Inflow |
| 2025-12-26 00:00 | 183100 | 2025-12-26 10:00 | 190059.9 |
| 2025-12-25 00:00 | 180600 | 2025-12-26 16:00 | 184531.24 |
| 2025-12-24 00:00 | 191500 | 2025-12-26 22:00 | 179666.22 |
| 2025-12-23 00:00 | 195200 | 2025-12-27 04:00 | 176468.3 |
| 2025-12-22 00:00 | 203000 | 2025-12-27 10:00 | 174228.28 |
| 2025-12-21 00:00 | 172500 | 2025-12-27 16:00 | 173221.32 |
| 2025-12-20 00:00 | 198500 | 2025-12-27 22:00 | 173702.64 |
| 2025-12-19 00:00 | 201400 | 2025-12-28 04:00 | 176639.92 |
| 2025-12-18 00:00 | 179500 | 2025-12-28 10:00 | 182258.8 |
| 2025-12-17 00:00 | 146500 | 2025-12-28 16:00 | 189209.02 |
| 2025-12-16 00:00 | 148700 | 2025-12-28 22:00 | 195051.62 |
| 2025-12-29 04:00 | 198255.34 | ||
| 2025-12-29 10:00 | 199002.98 | ||
| 2025-12-29 16:00 | 198259.64 | ||
| 2025-12-29 22:00 | 196887.08 | ||
| 2025-12-30 04:00 | 195372.54 | ||
| 2025-12-30 10:00 | 193959.48 | ||
| 2025-12-30 16:00 | 193027.46 | ||
| 2025-12-30 22:00 | 193263.54 | ||
| 2025-12-31 04:00 | 194025.74 | ||
| 2025-12-31 10:00 | 193886.88 | ||
| 2025-12-31 16:00 | 192833.6 | ||
| 2025-12-31 22:00 | 191333.58 | ||
| 2026-01-01 04:00 | 189796.94 | ||
| 2026-01-01 10:00 | 188844.1 | ||
| 2026-01-01 16:00 | 188701.76 | ||
| 2026-01-01 22:00 | 188305.26 | ||
| 2026-01-02 04:00 | 187140.8 | ||
| 2026-01-02 10:00 | 185857 | ||
| 2026-01-02 16:00 | 184531.48 | ||
| 2026-01-02 22:00 | 183001.1 | ||
| 2026-01-03 04:00 | 181398.84 | ||
| 2026-01-03 10:00 | 180017.58 | ||
| 2026-01-03 16:00 | 179016.94 | ||
| 2026-01-03 22:00 | 178350.24 | ||
| 2026-01-04 04:00 | 177873.26 | ||