COLUMBIA--PRIEST RAPIDS DAM (PRWW1)
| Observed | Forecast/Trend Issued: 2026-10-17 09:49 PDT | ||
| Date/Time (PDT) | Inflow | Date/Time (PDT) | Inflow |
| 2026-10-17 00:00 | 47800 | 2026-10-17 23:00 | 53159.21 |
| 2026-10-16 00:00 | 46700 | 2026-10-18 05:00 | 53626.66 |
| 2026-10-15 00:00 | 57400 | 2026-10-18 11:00 | 53703.55 |
| 2026-10-14 00:00 | 71400 | 2026-10-18 17:00 | 53713.4 |
| 2026-10-13 00:00 | 73500 | 2026-10-18 23:00 | 53714.34 |
| 2026-10-12 00:00 | 56000 | 2026-10-19 05:00 | 53638.67 |
| 2026-10-11 00:00 | 59100 | 2026-10-19 11:00 | 53657.54 |
| 2026-10-10 00:00 | 61200 | 2026-10-19 17:00 | 54307.06 |
| 2026-10-09 00:00 | 86700 | 2026-10-19 23:00 | 55791.19 |
| 2026-10-08 00:00 | 86400 | 2026-10-20 05:00 | 57528.06 |
| 2026-10-07 00:00 | 78600 | 2026-10-20 11:00 | 58698.95 |
| 2026-10-20 17:00 | 59113.66 | ||
| 2026-10-20 23:00 | 59129.63 | ||
| 2026-10-21 05:00 | 59057.55 | ||
| 2026-10-21 11:00 | 58992.21 | ||
| 2026-10-21 17:00 | 58937.22 | ||
| 2026-10-21 23:00 | 58885.93 | ||
| 2026-10-22 05:00 | 58834.7 | ||
| 2026-10-22 11:00 | 58782.18 | ||
| 2026-10-22 17:00 | 58728.9 | ||
| 2026-10-22 23:00 | 58676.38 | ||
| 2026-10-23 05:00 | 58624.93 | ||
| 2026-10-23 11:00 | 58573.81 | ||
| 2026-10-23 17:00 | 58523.02 | ||
| 2026-10-23 23:00 | 58473.05 | ||
| 2026-10-24 05:00 | 58421.08 | ||
| 2026-10-24 11:00 | 58359.74 | ||
| 2026-10-24 17:00 | 58280.42 | ||
| 2026-10-24 23:00 | 58180.68 | ||
| 2026-10-25 05:00 | 58067.8 | ||
| 2026-10-25 11:00 | 57956.66 | ||
| 2026-10-25 17:00 | 57862.29 | ||
| 2026-10-25 23:00 | 57793.05 | ||
| 2026-10-26 05:00 | 57769.06 | ||
| 2026-10-26 11:00 | 57896.07 | ||
| 2026-10-26 17:00 | 58376.46 | ||
| 2026-10-26 23:00 | 59295.66 | ||
| 2026-10-27 05:00 | 60411.71 | ||