COLUMBIA--MCNARY DAM (MCDW1)
| Observed | Forecast/Trend Issued: 2026-07-09 09:21 PDT | ||
| Date/Time (PDT) | Inflow | Date/Time (PDT) | Inflow |
| 2026-07-09 00:00 | 136900 | 2026-07-09 23:00 | 134467.83 |
| 2026-07-08 00:00 | 167400 | 2026-07-10 05:00 | 139271.22 |
| 2026-07-07 00:00 | 170400 | 2026-07-10 11:00 | 143544.19 |
| 2026-07-06 00:00 | 171400 | 2026-07-10 17:00 | 145550.77 |
| 2026-07-05 00:00 | 162500 | 2026-07-10 23:00 | 146050.78 |
| 2026-07-04 00:00 | 179200 | 2026-07-11 05:00 | 146010.5 |
| 2026-07-03 00:00 | 188200 | 2026-07-11 11:00 | 145870.25 |
| 2026-07-02 00:00 | 183300 | 2026-07-11 17:00 | 145671.97 |
| 2026-07-01 00:00 | 189700 | 2026-07-11 23:00 | 145217.32 |
| 2026-06-30 00:00 | 143000 | 2026-07-12 05:00 | 144304.95 |
| 2026-06-29 00:00 | 117800 | 2026-07-12 11:00 | 142974.72 |
| 2026-07-12 17:00 | 141548.89 | ||
| 2026-07-12 23:00 | 140498.69 | ||
| 2026-07-13 05:00 | 140139.14 | ||
| 2026-07-13 11:00 | 140347.87 | ||
| 2026-07-13 17:00 | 140704.12 | ||
| 2026-07-13 23:00 | 140895 | ||
| 2026-07-14 05:00 | 140876.54 | ||
| 2026-07-14 11:00 | 140738.78 | ||
| 2026-07-14 17:00 | 140562 | ||
| 2026-07-14 23:00 | 140378.71 | ||
| 2026-07-15 05:00 | 140196.76 | ||
| 2026-07-15 11:00 | 140022.28 | ||
| 2026-07-15 17:00 | 139860.89 | ||
| 2026-07-15 23:00 | 139709.81 | ||
| 2026-07-16 05:00 | 139562.88 | ||
| 2026-07-16 11:00 | 139421.1 | ||
| 2026-07-16 17:00 | 139288.41 | ||
| 2026-07-16 23:00 | 139163.73 | ||
| 2026-07-17 05:00 | 139043.24 | ||
| 2026-07-17 11:00 | 138925.13 | ||
| 2026-07-17 17:00 | 138831.74 | ||
| 2026-07-17 23:00 | 138935.21 | ||
| 2026-07-18 05:00 | 139346.74 | ||
| 2026-07-18 11:00 | 139739.58 | ||
| 2026-07-18 17:00 | 139841.67 | ||
| 2026-07-18 23:00 | 139772.51 | ||
| 2026-07-19 05:00 | 139658.45 | ||