COLUMBIA--BLO ROCK ISLAND DAM (RISW1)
| Observed |
| Date/Time (PDT) | Discharge |
| 2025-07-14 17:00 | 85237 | | |
| 2025-07-14 16:00 | 73662 | | |
| 2025-07-14 15:00 | 67550 | | |
| 2025-07-14 14:00 | 65338 | | |
| 2025-07-14 13:00 | 73319 | | |
| 2025-07-14 12:00 | 91050 | | |
| 2025-07-14 11:00 | 104431 | | |
| 2025-07-14 10:00 | 100931 | | |
| 2025-07-14 09:00 | 85725 | | |
| 2025-07-14 08:00 | 71944 | | |
| 2025-07-14 07:00 | 64500 | | |
| 2025-07-14 06:00 | 62200 | | |
| 2025-07-14 05:00 | 62875 | | |
| 2025-07-14 04:00 | 64162 | | |
| 2025-07-14 03:00 | 66975 | | |
| 2025-07-14 02:00 | 75088 | | |
| 2025-07-14 01:00 | 89225 | | |
| 2025-07-14 00:00 | 105250 | | |
| 2025-07-13 23:00 | 118919 | | |
| 2025-07-13 22:00 | 129675 | | |
| 2025-07-13 21:00 | 138400 | | |
| 2025-07-13 20:00 | 143950 | | |
| 2025-07-13 19:00 | 144669 | | |
| 2025-07-13 18:00 | 139312 | | |
| 2025-07-13 17:00 | 127950 | | |
| 2025-07-13 16:00 | 117100 | | |
| 2025-07-13 15:00 | 113662 | | |
| 2025-07-13 14:00 | 114825 | | |
| 2025-07-13 13:00 | 116319 | | |
| 2025-07-13 12:00 | 113994 | | |
| 2025-07-13 11:00 | 95750 | | |
| 2025-07-13 10:00 | 62606 | | |
| 2025-07-13 09:00 | 37744 | | |
| 2025-07-13 08:00 | 32381 | | |
| 2025-07-13 07:00 | 36894 | | |
| 2025-07-13 06:00 | 42562 | | |
| 2025-07-13 05:00 | 47950 | | |
| 2025-07-13 04:00 | 58312 | | |
| 2025-07-13 03:00 | 79181 | | |
| 2025-07-13 02:00 | 102744 | | |
| 2025-07-13 01:00 | 116494 | | |
| 2025-07-13 00:00 | 121219 | | |
| 2025-07-12 23:00 | 123706 | | |
| 2025-07-12 22:00 | 125031 | | |
| 2025-07-12 21:00 | 123600 | | |
| 2025-07-12 20:00 | 118100 | | |
| 2025-07-12 19:00 | 107600 | | |
| 2025-07-12 18:00 | 93606 | | |
| 2025-07-12 17:00 | 81100 | | |
| 2025-07-12 16:00 | 74612 | | |
| 2025-07-12 15:00 | 72719 | | |
| 2025-07-12 14:00 | 70306 | | |
| 2025-07-12 13:00 | 65463 | | |
| 2025-07-12 12:00 | 59744 | | |
| 2025-07-12 11:00 | 55031 | | |
| 2025-07-12 10:00 | 53556 | | |
| 2025-07-12 09:00 | 56656 | | |
| 2025-07-12 08:00 | 63206 | | |
| 2025-07-12 07:00 | 71719 | | |
| 2025-07-12 06:00 | 80525 | | |
| 2025-07-12 05:00 | 86650 | | |
| 2025-07-12 04:00 | 88000 | | |
| 2025-07-12 03:00 | 86112 | | |
| 2025-07-12 02:00 | 85900 | | |
| 2025-07-12 01:00 | 90406 | | |
| 2025-07-12 00:00 | 98181 | | |
| 2025-07-11 23:00 | 108075 | | |
| 2025-07-11 22:00 | 118713 | | |
| 2025-07-11 21:00 | 123931 | | |
| 2025-07-11 20:00 | 118850 | | |
| 2025-07-11 19:00 | 107562 | | |
| 2025-07-11 18:00 | 97725 | | |
| 2025-07-11 17:00 | 91706 | | |
| 2025-07-11 16:00 | 86006 | | |
| 2025-07-11 15:00 | 76775 | | |
| 2025-07-11 14:00 | 66181 | | |
| 2025-07-11 13:00 | 59600 | | |
| 2025-07-11 12:00 | 56188 | | |
| 2025-07-11 11:00 | 51300 | | |
| 2025-07-11 10:00 | 45325 | | |
| 2025-07-11 09:00 | 41194 | | |
| 2025-07-11 08:00 | 39388 | | |
| 2025-07-11 07:00 | 40231 | | |
| 2025-07-11 06:00 | 43550 | | |
| 2025-07-11 05:00 | 47100 | | |
| 2025-07-11 04:00 | 51225 | | |
| 2025-07-11 03:00 | 60456 | | |
| 2025-07-11 02:00 | 76444 | | |
| 2025-07-11 01:00 | 93019 | | |
| 2025-07-11 00:00 | 101594 | | |
| 2025-07-10 23:00 | 99375 | | |
| 2025-07-10 22:00 | 92138 | | |
| 2025-07-10 21:00 | 88862 | | |
| 2025-07-10 20:00 | 90812 | | |
| 2025-07-10 19:00 | 90838 | | |
| 2025-07-10 18:00 | 84819 | | |
| 2025-07-10 17:00 | 75862 | | |
| 2025-07-10 16:00 | 66894 | | |
| 2025-07-10 15:00 | 56075 | | |
| 2025-07-10 14:00 | 42606 | | |
| 2025-07-10 13:00 | 31494 | | |
| 2025-07-10 12:00 | 27725 | | |
| 2025-07-10 11:00 | 29844 | | |
| 2025-07-10 10:00 | 33619 | | |
| 2025-07-10 09:00 | 37481 | | |
| 2025-07-10 08:00 | 40225 | | |
| 2025-07-10 07:00 | 40031 | | |
| 2025-07-10 06:00 | 38400 | | |
| 2025-07-10 05:00 | 40594 | | |
| 2025-07-10 04:00 | 51000 | | |
| 2025-07-10 03:00 | 66450 | | |
| 2025-07-10 02:00 | 78169 | | |
| 2025-07-10 01:00 | 84000 | | |
| 2025-07-10 00:00 | 90275 | | |
| 2025-07-09 23:00 | 100519 | | |
| 2025-07-09 22:00 | 109888 | | |
| 2025-07-09 21:00 | 111531 | | |
| 2025-07-09 20:00 | 104906 | | |
| 2025-07-09 19:00 | 94000 | | |
| 2025-07-09 18:00 | 81025 | | |
| 2025-07-09 17:00 | 67763 | | |
| 2025-07-09 16:00 | 57156 | | |
| 2025-07-09 15:00 | 49681 | | |
| 2025-07-09 14:00 | 43556 | | |
| 2025-07-09 13:00 | 38112 | | |
| 2025-07-09 12:00 | 34031 | | |
| 2025-07-09 11:00 | 31950 | | |
| 2025-07-09 10:00 | 32331 | | |
| 2025-07-09 09:00 | 35231 | | |
| 2025-07-09 08:00 | 38237 | | |
| 2025-07-09 07:00 | 38862 | | |
| 2025-07-09 06:00 | 38737 | | |
| 2025-07-09 05:00 | 39806 | | |
| 2025-07-09 04:00 | 41688 | | |
| 2025-07-09 03:00 | 44237 | | |
| 2025-07-09 02:00 | 48775 | | |
| 2025-07-09 01:00 | 57794 | | |
| 2025-07-09 00:00 | 70838 | | |
| 2025-07-08 23:00 | 83975 | | |
| 2025-07-08 22:00 | 95375 | | |
| 2025-07-08 21:00 | 105331 | | |
| 2025-07-08 20:00 | 112806 | | |
| 2025-07-08 19:00 | 115956 | | |
| 2025-07-08 18:00 | 113938 | | |
| 2025-07-08 17:00 | 105631 | | |
| 2025-07-08 16:00 | 92319 | | |
| 2025-07-08 15:00 | 80662 | | |
| 2025-07-08 14:00 | 75025 | | |
| 2025-07-08 13:00 | 72544 | | |
| 2025-07-08 12:00 | 68275 | | |
| 2025-07-08 11:00 | 61944 | | |
| 2025-07-08 10:00 | 57406 | | |
| 2025-07-08 09:00 | 55125 | | |
| 2025-07-08 08:00 | 53225 | | |
| 2025-07-08 07:00 | 53913 | | |
| 2025-07-08 06:00 | 60944 | | |
| 2025-07-08 05:00 | 75588 | | |
| 2025-07-08 04:00 | 97162 | | |
| 2025-07-08 03:00 | 121044 | | |
| 2025-07-08 02:00 | 138819 | | |
| 2025-07-08 01:00 | 145194 | | |
| 2025-07-08 00:00 | 142537 | | |
| 2025-07-07 23:00 | 138869 | | |
| 2025-07-07 22:00 | 139762 | | |
| 2025-07-07 21:00 | 142512 | | |
| 2025-07-07 20:00 | 140500 | | |
| 2025-07-07 19:00 | 129169 | | |
| 2025-07-07 18:00 | 107450 | | |
| 2025-07-07 17:00 | 79763 | | |
| 2025-07-07 16:00 | 55450 | | |
| 2025-07-07 15:00 | 40800 | | |
| 2025-07-07 14:00 | 35438 | | |
| 2025-07-07 13:00 | 36413 | | |
| 2025-07-07 12:00 | 40200 | | |
| 2025-07-07 11:00 | 42731 | | |
| 2025-07-07 10:00 | 41837 | | |
| 2025-07-07 09:00 | 39300 | | |
| 2025-07-07 08:00 | 37581 | | |
| 2025-07-07 07:00 | 36669 | | |
| 2025-07-07 06:00 | 35969 | | |
| 2025-07-07 05:00 | 35819 | | |
| 2025-07-07 04:00 | 38888 | | |
| 2025-07-07 03:00 | 51612 | | |
| 2025-07-07 02:00 | 76438 | | |
| 2025-07-07 01:00 | 105062 | | |
| 2025-07-07 00:00 | 128119 | | |
| 2025-07-06 23:00 | 143931 | | |
| 2025-07-06 22:00 | 154844 | | |
| 2025-07-06 21:00 | 162231 | | |
| 2025-07-06 20:00 | 164906 | | |
| 2025-07-06 19:00 | 160250 | | |
| 2025-07-06 18:00 | 147269 | | |
| 2025-07-06 17:00 | 130675 | | |
| 2025-07-06 16:00 | 116150 | | |
| 2025-07-06 15:00 | 100200 | | |
| 2025-07-06 14:00 | 77069 | | |
| 2025-07-06 13:00 | 51837 | | |
| 2025-07-06 12:00 | 35119 | | |
| 2025-07-06 11:00 | 29606 | | |
| 2025-07-06 10:00 | 30106 | | |
| 2025-07-06 09:00 | 31669 | | |
| 2025-07-06 08:00 | 32075 | | |
| 2025-07-06 07:00 | 31956 | | |
| 2025-07-06 06:00 | 32481 | | |
| 2025-07-06 05:00 | 33100 | | |
| 2025-07-06 04:00 | 34619 | | |
| 2025-07-06 03:00 | 37975 | | |
| 2025-07-06 02:00 | 42650 | | |
| 2025-07-06 01:00 | 52638 | | |
| 2025-07-06 00:00 | 74213 | | |
| 2025-07-05 23:00 | 104619 | | |
| 2025-07-05 22:00 | 131675 | | |
| 2025-07-05 21:00 | 145194 | | |
| 2025-07-05 20:00 | 143575 | | |
| 2025-07-05 19:00 | 132338 | | |
| 2025-07-05 18:00 | 122213 | | |
| 2025-07-05 17:00 | 121444 | | |
| 2025-07-05 16:00 | 124769 | | |
| 2025-07-05 15:00 | 119812 | | |
| 2025-07-05 14:00 | 105769 | | |
| 2025-07-05 13:00 | 93556 | | |
| 2025-07-05 12:00 | 87556 | | |
| 2025-07-05 11:00 | 81475 | | |
| 2025-07-05 10:00 | 73769 | | |
| 2025-07-05 09:00 | 70588 | | |
| 2025-07-05 08:00 | 70000 | | |
| 2025-07-05 07:00 | 62506 | | |
| 2025-07-05 06:00 | 48919 | | |
| 2025-07-05 05:00 | 39550 | | |
| 2025-07-05 04:00 | 37906 | | |
| 2025-07-05 03:00 | 39688 | | |
| 2025-07-05 02:00 | 45919 | | |
| 2025-07-05 01:00 | 59069 | | |
| 2025-07-05 00:00 | 67450 | | |
| 2025-07-04 23:00 | 62169 | | |
| 2025-07-04 22:00 | 57681 | | |
| 2025-07-04 21:00 | 63906 | | |
| 2025-07-04 20:00 | 67581 | | |
| 2025-07-04 19:00 | 60812 | | |
| 2025-07-04 18:00 | 52525 | | |
| 2025-07-04 17:00 | 49400 | | |
| 2025-07-04 16:00 | 50106 | | |
| 2025-07-04 15:00 | 52831 | | |
| 2025-07-04 14:00 | 57856 | | |
| 2025-07-04 13:00 | 64338 | | |
| 2025-07-04 12:00 | 69750 | | |
| 2025-07-04 11:00 | 72419 | | |
| 2025-07-04 10:00 | 70425 | | |
| 2025-07-04 09:00 | 63819 | | |
| 2025-07-04 08:00 | 59081 | | |
| 2025-07-04 07:00 | 63650 | | |
| 2025-07-04 06:00 | 76381 | | |
| 2025-07-04 05:00 | 87812 | | |
| 2025-07-04 04:00 | 92006 | | |
| 2025-07-04 03:00 | 95631 | | |
| 2025-07-04 02:00 | 107763 | | |
| 2025-07-04 01:00 | 124194 | | |
| 2025-07-04 00:00 | 133381 | | |
| 2025-07-03 23:00 | 132044 | | |
| 2025-07-03 22:00 | 126669 | | |
| 2025-07-03 21:00 | 123744 | | |
| 2025-07-03 20:00 | 123050 | | |
| 2025-07-03 19:00 | 122225 | | |
| 2025-07-03 18:00 | 120319 | | |
| 2025-07-03 17:00 | 116025 | | |