COLUMBIA--PRIEST RAPIDS DAM (PRWW1)
| Observed | Forecast/Trend Issued: 2026-03-31 08:53 PDT | ||
| Date/Time (PDT) | Inflow | Date/Time (PDT) | Inflow |
| 2026-04-01 00:00 | 156900 | 2026-04-01 11:00 | 129950.67 |
| 2026-03-31 00:00 | 140000 | 2026-04-01 17:00 | 129175.09 |
| 2026-03-30 00:00 | 138400 | 2026-04-01 23:00 | 128439.38 |
| 2026-03-29 00:00 | 169700 | 2026-04-02 05:00 | 127728.67 |
| 2026-03-28 00:00 | 165500 | 2026-04-02 11:00 | 127201.83 |
| 2026-03-27 00:00 | 171900 | 2026-04-02 17:00 | 126908.58 |
| 2026-03-26 00:00 | 156900 | 2026-04-02 23:00 | 126825.69 |
| 2026-03-25 00:00 | 158300 | 2026-04-03 05:00 | 126919.36 |
| 2026-03-24 00:00 | 160100 | 2026-04-03 11:00 | 127096.67 |
| 2026-03-23 00:00 | 160400 | 2026-04-03 17:00 | 127211.36 |
| 2026-03-22 00:00 | 162700 | 2026-04-03 23:00 | 127157.75 |
| 2026-04-04 05:00 | 126936.6 | ||
| 2026-04-04 11:00 | 126626.66 | ||
| 2026-04-04 17:00 | 126303.79 | ||
| 2026-04-04 23:00 | 126006.06 | ||
| 2026-04-05 05:00 | 125768.64 | ||
| 2026-04-05 11:00 | 125640.01 | ||
| 2026-04-05 17:00 | 125622.51 | ||
| 2026-04-05 23:00 | 125657.09 | ||
| 2026-04-06 05:00 | 125722.62 | ||
| 2026-04-06 11:00 | 125850.52 | ||
| 2026-04-06 17:00 | 126060.57 | ||
| 2026-04-06 23:00 | 126379 | ||
| 2026-04-07 05:00 | 126896.16 | ||
| 2026-04-07 11:00 | 127663.51 | ||
| 2026-04-07 17:00 | 128552.92 | ||
| 2026-04-07 23:00 | 129360 | ||
| 2026-04-08 05:00 | 130004.33 | ||
| 2026-04-08 11:00 | 130537.8 | ||
| 2026-04-08 17:00 | 131011.66 | ||
| 2026-04-08 23:00 | 131422.78 | ||
| 2026-04-09 05:00 | 131768.51 | ||
| 2026-04-09 11:00 | 132075.16 | ||
| 2026-04-09 17:00 | 132359.53 | ||
| 2026-04-09 23:00 | 132598.19 | ||
| 2026-04-10 05:00 | 132753.95 | ||