COLUMBIA--PRIEST RAPIDS DAM (PRWW1)
| Observed | Forecast/Trend Issued: 2026-02-18 08:04 PST | ||
| Date/Time (PST) | Inflow | Date/Time (PST) | Inflow |
| 2026-02-18 00:00 | 154400 | 2026-02-18 22:00 | 140499.69 |
| 2026-02-17 00:00 | 133900 | 2026-02-19 04:00 | 139115.2 |
| 2026-02-16 00:00 | 128700 | 2026-02-19 10:00 | 138884.03 |
| 2026-02-15 00:00 | 135300 | 2026-02-19 16:00 | 138826.46 |
| 2026-02-14 00:00 | 134000 | 2026-02-19 22:00 | 138773.5 |
| 2026-02-13 00:00 | 144600 | 2026-02-20 04:00 | 138713.61 |
| 2026-02-12 00:00 | 144900 | 2026-02-20 10:00 | 138647.74 |
| 2026-02-11 00:00 | 139900 | 2026-02-20 16:00 | 138581.3 |
| 2026-02-10 00:00 | 128500 | 2026-02-20 22:00 | 138518.22 |
| 2026-02-09 00:00 | 111300 | 2026-02-21 04:00 | 138461.44 |
| 2026-02-08 00:00 | 118100 | 2026-02-21 10:00 | 138411.71 |
| 2026-02-21 16:00 | 138366.82 | ||
| 2026-02-21 22:00 | 138324.26 | ||
| 2026-02-22 04:00 | 138281.43 | ||
| 2026-02-22 10:00 | 138236.77 | ||
| 2026-02-22 16:00 | 138190.03 | ||
| 2026-02-22 22:00 | 138141.25 | ||
| 2026-02-23 04:00 | 138090.93 | ||
| 2026-02-23 10:00 | 138039.46 | ||
| 2026-02-23 16:00 | 137987.41 | ||
| 2026-02-23 22:00 | 137939.67 | ||
| 2026-02-24 04:00 | 137906.65 | ||
| 2026-02-24 10:00 | 138756.68 | ||
| 2026-02-24 16:00 | 142717.47 | ||
| 2026-02-24 22:00 | 149655.49 | ||
| 2026-02-25 04:00 | 155712.31 | ||
| 2026-02-25 10:00 | 158495.36 | ||
| 2026-02-25 16:00 | 158970.37 | ||
| 2026-02-25 22:00 | 158670.15 | ||
| 2026-02-26 04:00 | 158259.67 | ||
| 2026-02-26 10:00 | 157885.27 | ||
| 2026-02-26 16:00 | 157572.95 | ||
| 2026-02-26 22:00 | 157466.32 | ||
| 2026-02-27 04:00 | 157862.58 | ||
| 2026-02-27 10:00 | 158805.01 | ||
| 2026-02-27 16:00 | 159859.53 | ||
| 2026-02-27 22:00 | 160621.34 | ||
| 2026-02-28 04:00 | 161110.02 | ||