COLUMBIA--BLO ROCK ISLAND DAM (RISW1)
| Observed | Forecast/Trend Issued: 2026-11-13 08:17 PST | ||
| Date/Time (PST) | Inflow | Date/Time (PST) | Inflow |
| 2026-11-14 00:00 | 93830 | 2026-11-14 10:00 | 92885.16 |
| 2026-11-13 00:00 | 105180 | 2026-11-14 16:00 | 93030.92 |
| 2026-11-12 00:00 | 84900 | 2026-11-14 22:00 | 93081.5 |
| 2026-11-11 00:00 | 96220 | 2026-11-15 04:00 | 92999.57 |
| 2026-11-10 00:00 | 110290 | 2026-11-15 10:00 | 92902.95 |
| 2026-11-09 00:00 | 67560 | 2026-11-15 16:00 | 92885.84 |
| 2026-11-08 00:00 | 88530 | 2026-11-15 22:00 | 92996.95 |
| 2026-11-07 00:00 | 94100 | 2026-11-16 04:00 | 93160.26 |
| 2026-11-06 00:00 | 96980 | 2026-11-16 10:00 | 93187.53 |
| 2026-11-05 00:00 | 93980 | 2026-11-16 16:00 | 93062.35 |
| 2026-11-04 00:00 | 72020 | 2026-11-16 22:00 | 92924.73 |
| 2026-11-17 04:00 | 92828.74 | ||
| 2026-11-17 10:00 | 92764.8 | ||
| 2026-11-17 16:00 | 92717.63 | ||
| 2026-11-17 22:00 | 92681.14 | ||
| 2026-11-18 04:00 | 92654.34 | ||
| 2026-11-18 10:00 | 92637.37 | ||
| 2026-11-18 16:00 | 92626.24 | ||
| 2026-11-18 22:00 | 92620.45 | ||
| 2026-11-19 04:00 | 92617.65 | ||
| 2026-11-19 10:00 | 92614.72 | ||
| 2026-11-19 16:00 | 92610.8 | ||
| 2026-11-19 22:00 | 92606.48 | ||
| 2026-11-20 04:00 | 92602.29 | ||
| 2026-11-20 10:00 | 92597.89 | ||
| 2026-11-20 16:00 | 92593.22 | ||
| 2026-11-20 22:00 | 92588.01 | ||
| 2026-11-21 04:00 | 92582.34 | ||
| 2026-11-21 10:00 | 92576.29 | ||
| 2026-11-21 16:00 | 92570.05 | ||
| 2026-11-21 22:00 | 92562.39 | ||
| 2026-11-22 04:00 | 92577.23 | ||
| 2026-11-22 10:00 | 92639.07 | ||
| 2026-11-22 16:00 | 92733.1 | ||
| 2026-11-22 22:00 | 92835.44 | ||
| 2026-11-23 04:00 | 92938.8 | ||