COLUMBIA--MCNARY DAM (MCDW1)
| Observed | Forecast/Trend Issued: 2026-09-07 11:12 PDT | ||
| Date/Time (PDT) | Inflow | Date/Time (PDT) | Inflow |
| 2026-09-07 00:00 | 74200 | 2026-09-07 23:00 | 70330.08 |
| 2026-09-06 00:00 | 76800 | 2026-09-08 05:00 | 70844.57 |
| 2026-09-05 00:00 | 86700 | 2026-09-08 11:00 | 73678.19 |
| 2026-09-04 00:00 | 99800 | 2026-09-08 17:00 | 76837.1 |
| 2026-09-03 00:00 | 106100 | 2026-09-08 23:00 | 78921.13 |
| 2026-09-02 00:00 | 102200 | 2026-09-09 05:00 | 79844.63 |
| 2026-09-01 00:00 | 85900 | 2026-09-09 11:00 | 80099.05 |
| 2026-08-31 00:00 | 85900 | 2026-09-09 17:00 | 80084.78 |
| 2026-08-30 00:00 | 86800 | 2026-09-09 23:00 | 79988.14 |
| 2026-08-29 00:00 | 116200 | 2026-09-10 05:00 | 79874.48 |
| 2026-08-28 00:00 | 121800 | 2026-09-10 11:00 | 79770.52 |
| 2026-09-10 17:00 | 79668.59 | ||
| 2026-09-10 23:00 | 79523.6 | ||
| 2026-09-11 05:00 | 79322.05 | ||
| 2026-09-11 11:00 | 79091.43 | ||
| 2026-09-11 17:00 | 78852.85 | ||
| 2026-09-11 23:00 | 78612.61 | ||
| 2026-09-12 05:00 | 78371.36 | ||
| 2026-09-12 11:00 | 78129.27 | ||
| 2026-09-12 17:00 | 77886.47 | ||
| 2026-09-12 23:00 | 77643.72 | ||
| 2026-09-13 05:00 | 77402.33 | ||
| 2026-09-13 11:00 | 77162.75 | ||
| 2026-09-13 17:00 | 76924.66 | ||
| 2026-09-13 23:00 | 76688.34 | ||
| 2026-09-14 05:00 | 76454.44 | ||
| 2026-09-14 11:00 | 76221.99 | ||
| 2026-09-14 17:00 | 75989.21 | ||
| 2026-09-14 23:00 | 75756.27 | ||
| 2026-09-15 05:00 | 75526.05 | ||
| 2026-09-15 11:00 | 75302.42 | ||
| 2026-09-15 17:00 | 75116.15 | ||
| 2026-09-15 23:00 | 75133.46 | ||
| 2026-09-16 05:00 | 75861.51 | ||
| 2026-09-16 11:00 | 77321.55 | ||
| 2026-09-16 17:00 | 78553.71 | ||
| 2026-09-16 23:00 | 79099.73 | ||
| 2026-09-17 05:00 | 79241.67 | ||