COLUMBIA--BLO ROCK ISLAND DAM (RISW1)
| Observed |
| Date/Time (PST) | Discharge |
| 2026-01-08 02:00 | 154938 | | |
| 2026-01-08 01:00 | 161213 | | |
| 2026-01-08 00:00 | 166569 | | |
| 2026-01-07 23:00 | 168775 | | |
| 2026-01-07 22:00 | 169450 | | |
| 2026-01-07 21:00 | 169963 | | |
| 2026-01-07 20:00 | 170256 | | |
| 2026-01-07 19:00 | 170325 | | |
| 2026-01-07 18:00 | 169875 | | |
| 2026-01-07 17:00 | 168281 | | |
| 2026-01-07 16:00 | 165975 | | |
| 2026-01-07 15:00 | 163056 | | |
| 2026-01-07 14:00 | 158787 | | |
| 2026-01-07 13:00 | 155325 | | |
| 2026-01-07 12:00 | 155137 | | |
| 2026-01-07 11:00 | 156988 | | |
| 2026-01-07 10:00 | 159769 | | |
| 2026-01-07 09:00 | 163012 | | |
| 2026-01-07 08:00 | 164700 | | |
| 2026-01-07 07:00 | 163500 | | |
| 2026-01-07 06:00 | 159950 | | |
| 2026-01-07 05:00 | 157125 | | |
| 2026-01-07 04:00 | 158769 | | |
| 2026-01-07 03:00 | 163231 | | |
| 2026-01-07 02:00 | 165387 | | |
| 2026-01-07 01:00 | 164394 | | |
| 2026-01-07 00:00 | 163681 | | |
| 2026-01-06 23:00 | 165438 | | |
| 2026-01-06 22:00 | 168275 | | |
| 2026-01-06 21:00 | 169700 | | |
| 2026-01-06 20:00 | 169225 | | |
| 2026-01-06 19:00 | 168262 | | |
| 2026-01-06 18:00 | 167425 | | |
| 2026-01-06 17:00 | 164944 | | |
| 2026-01-06 16:00 | 158825 | | |
| 2026-01-06 15:00 | 151819 | | |
| 2026-01-06 14:00 | 150537 | | |
| 2026-01-06 13:00 | 155012 | | |
| 2026-01-06 12:00 | 158012 | | |
| 2026-01-06 11:00 | 157194 | | |
| 2026-01-06 10:00 | 156062 | | |
| 2026-01-06 09:00 | 156656 | | |
| 2026-01-06 08:00 | 158113 | | |
| 2026-01-06 07:00 | 157181 | | |
| 2026-01-06 06:00 | 150544 | | |
| 2026-01-06 05:00 | 139269 | | |
| 2026-01-06 04:00 | 128650 | | |
| 2026-01-06 03:00 | 124431 | | |
| 2026-01-06 02:00 | 129431 | | |
| 2026-01-06 01:00 | 139338 | | |
| 2026-01-06 00:00 | 147475 | | |
| 2026-01-05 23:00 | 153650 | | |
| 2026-01-05 22:00 | 158900 | | |
| 2026-01-05 21:00 | 162838 | | |
| 2026-01-05 20:00 | 166769 | | |
| 2026-01-05 19:00 | 169988 | | |
| 2026-01-05 18:00 | 171006 | | |
| 2026-01-05 17:00 | 169094 | | |
| 2026-01-05 16:00 | 162969 | | |
| 2026-01-05 15:00 | 155406 | | |
| 2026-01-05 14:00 | 150525 | | |
| 2026-01-05 13:00 | 146025 | | |
| 2026-01-05 12:00 | 139387 | | |
| 2026-01-05 11:00 | 133594 | | |
| 2026-01-05 10:00 | 129213 | | |
| 2026-01-05 09:00 | 121344 | | |
| 2026-01-05 08:00 | 106862 | | |
| 2026-01-05 07:00 | 89394 | | |
| 2026-01-05 06:00 | 76350 | | |
| 2026-01-05 05:00 | 72206 | | |
| 2026-01-05 04:00 | 76081 | | |
| 2026-01-05 03:00 | 84175 | | |
| 2026-01-05 02:00 | 94213 | | |
| 2026-01-05 01:00 | 106550 | | |
| 2026-01-05 00:00 | 119037 | | |
| 2026-01-04 23:00 | 128056 | | |
| 2026-01-04 22:00 | 133081 | | |
| 2026-01-04 21:00 | 133306 | | |
| 2026-01-04 20:00 | 125994 | | |
| 2026-01-04 19:00 | 110431 | | |
| 2026-01-04 18:00 | 92069 | | |
| 2026-01-04 17:00 | 78812 | | |
| 2026-01-04 16:00 | 72487 | | |
| 2026-01-04 15:00 | 73138 | | |
| 2026-01-04 14:00 | 87350 | | |
| 2026-01-04 13:00 | 117537 | | |
| 2026-01-04 12:00 | 148963 | | |
| 2026-01-04 11:00 | 166081 | | |
| 2026-01-04 10:00 | 170269 | | |
| 2026-01-04 09:00 | 168600 | | |
| 2026-01-04 08:00 | 162131 | | |
| 2026-01-04 07:00 | 150281 | | |
| 2026-01-04 06:00 | 137738 | | |
| 2026-01-04 05:00 | 130431 | | |
| 2026-01-04 04:00 | 126669 | | |
| 2026-01-04 03:00 | 123263 | | |
| 2026-01-04 02:00 | 124844 | | |
| 2026-01-04 01:00 | 134881 | | |
| 2026-01-04 00:00 | 146244 | | |
| 2026-01-03 23:00 | 150869 | | |
| 2026-01-03 22:00 | 151106 | | |
| 2026-01-03 21:00 | 153863 | | |
| 2026-01-03 20:00 | 157662 | | |
| 2026-01-03 19:00 | 156169 | | |
| 2026-01-03 18:00 | 152300 | | |
| 2026-01-03 17:00 | 151781 | | |
| 2026-01-03 16:00 | 151550 | | |
| 2026-01-03 15:00 | 148331 | | |
| 2026-01-03 14:00 | 144088 | | |
| 2026-01-03 13:00 | 141775 | | |
| 2026-01-03 12:00 | 142894 | | |
| 2026-01-03 11:00 | 145519 | | |
| 2026-01-03 10:00 | 146575 | | |
| 2026-01-03 09:00 | 145169 | | |
| 2026-01-03 08:00 | 140925 | | |
| 2026-01-03 07:00 | 132931 | | |
| 2026-01-03 06:00 | 123131 | | |
| 2026-01-03 05:00 | 116025 | | |
| 2026-01-03 04:00 | 114225 | | |
| 2026-01-03 03:00 | 119625 | | |
| 2026-01-03 02:00 | 132081 | | |
| 2026-01-03 01:00 | 145444 | | |
| 2026-01-03 00:00 | 153756 | | |
| 2026-01-02 23:00 | 157156 | | |
| 2026-01-02 22:00 | 158444 | | |
| 2026-01-02 21:00 | 158850 | | |
| 2026-01-02 20:00 | 159006 | | |
| 2026-01-02 19:00 | 159444 | | |
| 2026-01-02 18:00 | 157025 | | |
| 2026-01-02 17:00 | 148963 | | |
| 2026-01-02 16:00 | 140262 | | |
| 2026-01-02 15:00 | 138438 | | |
| 2026-01-02 14:00 | 144088 | | |
| 2026-01-02 13:00 | 149931 | | |
| 2026-01-02 12:00 | 149675 | | |
| 2026-01-02 11:00 | 145344 | | |
| 2026-01-02 10:00 | 141062 | | |
| 2026-01-02 09:00 | 138656 | | |
| 2026-01-02 08:00 | 140637 | | |
| 2026-01-02 07:00 | 145950 | | |
| 2026-01-02 06:00 | 147812 | | |
| 2026-01-02 05:00 | 143869 | | |
| 2026-01-02 04:00 | 139181 | | |
| 2026-01-02 03:00 | 136725 | | |
| 2026-01-02 02:00 | 134800 | | |
| 2026-01-02 01:00 | 132981 | | |
| 2026-01-02 00:00 | 133600 | | |
| 2026-01-01 23:00 | 137950 | | |
| 2026-01-01 22:00 | 145606 | | |
| 2026-01-01 21:00 | 155000 | | |
| 2026-01-01 20:00 | 163300 | | |
| 2026-01-01 19:00 | 168719 | | |
| 2026-01-01 18:00 | 171262 | | |
| 2026-01-01 17:00 | 171894 | | |
| 2026-01-01 16:00 | 171062 | | |
| 2026-01-01 15:00 | 166787 | | |
| 2026-01-01 14:00 | 157806 | | |
| 2026-01-01 13:00 | 147425 | | |
| 2026-01-01 12:00 | 139156 | | |
| 2026-01-01 11:00 | 133675 | | |
| 2026-01-01 10:00 | 133088 | | |
| 2026-01-01 09:00 | 135988 | | |
| 2026-01-01 08:00 | 131994 | | |
| 2026-01-01 07:00 | 116556 | | |
| 2026-01-01 06:00 | 101388 | | |
| 2026-01-01 05:00 | 100138 | | |
| 2026-01-01 04:00 | 110375 | | |
| 2026-01-01 03:00 | 117975 | | |
| 2026-01-01 02:00 | 117763 | | |
| 2026-01-01 01:00 | 116675 | | |
| 2026-01-01 00:00 | 119825 | | |
| 2025-12-31 23:00 | 125819 | | |
| 2025-12-31 22:00 | 132181 | | |
| 2025-12-31 21:00 | 138150 | | |
| 2025-12-31 20:00 | 141287 | | |
| 2025-12-31 19:00 | 135856 | | |
| 2025-12-31 18:00 | 118581 | | |
| 2025-12-31 17:00 | 94838 | | |
| 2025-12-31 16:00 | 77781 | | |
| 2025-12-31 15:00 | 79856 | | |
| 2025-12-31 14:00 | 102481 | | |
| 2025-12-31 13:00 | 135306 | | |
| 2025-12-31 12:00 | 163512 | | |
| 2025-12-31 11:00 | 176881 | | |
| 2025-12-31 10:00 | 175700 | | |
| 2025-12-31 09:00 | 166881 | | |
| 2025-12-31 08:00 | 158506 | | |
| 2025-12-31 07:00 | 150781 | | |
| 2025-12-31 06:00 | 137394 | | |
| 2025-12-31 05:00 | 124800 | | |
| 2025-12-31 04:00 | 121400 | | |
| 2025-12-31 03:00 | 118956 | | |
| 2025-12-31 02:00 | 112050 | | |
| 2025-12-31 01:00 | 108919 | | |
| 2025-12-31 00:00 | 117487 | | |
| 2025-12-30 23:00 | 136269 | | |
| 2025-12-30 22:00 | 155350 | | |
| 2025-12-30 21:00 | 166325 | | |
| 2025-12-30 20:00 | 169387 | | |
| 2025-12-30 19:00 | 168281 | | |
| 2025-12-30 18:00 | 165900 | | |
| 2025-12-30 17:00 | 165044 | | |
| 2025-12-30 16:00 | 165213 | | |
| 2025-12-30 15:00 | 162637 | | |
| 2025-12-30 14:00 | 158181 | | |
| 2025-12-30 13:00 | 155406 | | |
| 2025-12-30 12:00 | 153963 | | |
| 2025-12-30 11:00 | 153375 | | |
| 2025-12-30 10:00 | 154213 | | |
| 2025-12-30 09:00 | 154844 | | |
| 2025-12-30 08:00 | 150562 | | |
| 2025-12-30 07:00 | 134806 | | |
| 2025-12-30 06:00 | 110956 | | |
| 2025-12-30 05:00 | 94662 | | |
| 2025-12-30 04:00 | 96981 | | |
| 2025-12-30 03:00 | 118219 | | |
| 2025-12-30 02:00 | 146919 | | |
| 2025-12-30 01:00 | 166350 | | |
| 2025-12-30 00:00 | 172963 | | |
| 2025-12-29 23:00 | 172906 | | |
| 2025-12-29 22:00 | 170188 | | |
| 2025-12-29 21:00 | 167556 | | |
| 2025-12-29 20:00 | 165556 | | |
| 2025-12-29 19:00 | 163394 | | |
| 2025-12-29 18:00 | 161750 | | |
| 2025-12-29 17:00 | 159944 | | |
| 2025-12-29 16:00 | 154725 | | |
| 2025-12-29 15:00 | 144613 | | |
| 2025-12-29 14:00 | 133631 | | |
| 2025-12-29 13:00 | 127556 | | |
| 2025-12-29 12:00 | 127569 | | |
| 2025-12-29 11:00 | 131781 | | |
| 2025-12-29 10:00 | 138919 | | |
| 2025-12-29 09:00 | 147262 | | |
| 2025-12-29 08:00 | 154375 | | |
| 2025-12-29 07:00 | 157500 | | |
| 2025-12-29 06:00 | 154206 | | |
| 2025-12-29 05:00 | 146325 | | |
| 2025-12-29 04:00 | 140006 | | |
| 2025-12-29 03:00 | 138800 | | |
| 2025-12-29 02:00 | 141819 | | |
| 2025-12-29 01:00 | 148319 | | |
| 2025-12-29 00:00 | 156463 | | |
| 2025-12-28 23:00 | 162444 | | |
| 2025-12-28 22:00 | 165606 | | |
| 2025-12-28 21:00 | 169238 | | |
| 2025-12-28 20:00 | 174531 | | |
| 2025-12-28 19:00 | 176213 | | |
| 2025-12-28 18:00 | 170613 | | |
| 2025-12-28 17:00 | 157000 | | |
| 2025-12-28 16:00 | 131581 | | |