COLUMBIA--WELLS DAM (WELW1)
| Observed | Forecast/Trend Issued: 2026-06-27 10:47 PDT | ||
| Date/Time (PDT) | Inflow | Date/Time (PDT) | Inflow |
| 2026-06-27 00:00 | 137200 | 2026-06-27 17:00 | 143116.99 |
| 2026-06-26 00:00 | 167600 | 2026-06-27 23:00 | 143507.43 |
| 2026-06-25 00:00 | 134500 | 2026-06-28 05:00 | 143482.47 |
| 2026-06-24 00:00 | 129100 | 2026-06-28 11:00 | 143441.93 |
| 2026-06-23 00:00 | 132600 | 2026-06-28 17:00 | 135513.63 |
| 2026-06-22 00:00 | 99600 | 2026-06-28 23:00 | 123982.17 |
| 2026-06-21 00:00 | 95300 | 2026-06-29 05:00 | 120099.27 |
| 2026-06-20 00:00 | 140000 | 2026-06-29 11:00 | 120241.15 |
| 2026-06-19 00:00 | 135000 | 2026-06-29 17:00 | 121522.31 |
| 2026-06-18 00:00 | 115800 | 2026-06-29 23:00 | 123391.77 |
| 2026-06-17 00:00 | 127900 | 2026-06-30 05:00 | 125170.65 |
| 2026-06-30 11:00 | 126440.17 | ||
| 2026-06-30 17:00 | 127119.67 | ||
| 2026-06-30 23:00 | 127405.69 | ||
| 2026-07-01 05:00 | 126818.31 | ||
| 2026-07-01 11:00 | 125898.35 | ||
| 2026-07-01 17:00 | 125695.97 | ||
| 2026-07-01 23:00 | 126151.92 | ||
| 2026-07-02 05:00 | 127411.89 | ||
| 2026-07-02 11:00 | 129161.22 | ||
| 2026-07-02 17:00 | 130943.71 | ||
| 2026-07-02 23:00 | 132472 | ||
| 2026-07-03 05:00 | 133405.75 | ||
| 2026-07-03 11:00 | 133630.22 | ||
| 2026-07-03 17:00 | 133242.72 | ||
| 2026-07-03 23:00 | 132414.43 | ||
| 2026-07-04 05:00 | 131326.45 | ||
| 2026-07-04 11:00 | 130141.4 | ||
| 2026-07-04 17:00 | 128967.73 | ||
| 2026-07-04 23:00 | 127843.05 | ||
| 2026-07-05 05:00 | 126765.59 | ||
| 2026-07-05 11:00 | 125725.63 | ||
| 2026-07-05 17:00 | 124537.93 | ||
| 2026-07-05 23:00 | 122625.49 | ||
| 2026-07-06 05:00 | 114245.65 | ||
| 2026-07-06 11:00 | 104435.03 | ||
| 2026-07-06 17:00 | 101748.96 | ||
| 2026-07-06 23:00 | 101720.76 | ||
| 2026-07-07 05:00 | 101693.59 | ||