COLUMBIA--BLO ROCK ISLAND DAM (RISW1)
| Observed |
| Date/Time (PST) | Discharge |
| 2026-02-06 05:00 | 92606 | | |
| 2026-02-06 04:00 | 91069 | | |
| 2026-02-06 03:00 | 96463 | | |
| 2026-02-06 02:00 | 107144 | | |
| 2026-02-06 01:00 | 122787 | | |
| 2026-02-06 00:00 | 140519 | | |
| 2026-02-05 23:00 | 152762 | | |
| 2026-02-05 22:00 | 153744 | | |
| 2026-02-05 21:00 | 145787 | | |
| 2026-02-05 20:00 | 132956 | | |
| 2026-02-05 19:00 | 116194 | | |
| 2026-02-05 18:00 | 97744 | | |
| 2026-02-05 17:00 | 81656 | | |
| 2026-02-05 16:00 | 72900 | | |
| 2026-02-05 15:00 | 77244 | | |
| 2026-02-05 14:00 | 94250 | | |
| 2026-02-05 13:00 | 115125 | | |
| 2026-02-05 12:00 | 130744 | | |
| 2026-02-05 11:00 | 135956 | | |
| 2026-02-05 10:00 | 132000 | | |
| 2026-02-05 09:00 | 125106 | | |
| 2026-02-05 08:00 | 118638 | | |
| 2026-02-05 07:00 | 112562 | | |
| 2026-02-05 06:00 | 107150 | | |
| 2026-02-05 05:00 | 104669 | | |
| 2026-02-05 04:00 | 109125 | | |
| 2026-02-05 03:00 | 120244 | | |
| 2026-02-05 02:00 | 133081 | | |
| 2026-02-05 01:00 | 144106 | | |
| 2026-02-05 00:00 | 150725 | | |
| 2026-02-04 23:00 | 150775 | | |
| 2026-02-04 22:00 | 144075 | | |
| 2026-02-04 21:00 | 132719 | | |
| 2026-02-04 20:00 | 122237 | | |
| 2026-02-04 19:00 | 115725 | | |
| 2026-02-04 18:00 | 108406 | | |
| 2026-02-04 17:00 | 97112 | | |
| 2026-02-04 16:00 | 88388 | | |
| 2026-02-04 15:00 | 88844 | | |
| 2026-02-04 14:00 | 96362 | | |
| 2026-02-04 13:00 | 108125 | | |
| 2026-02-04 12:00 | 124037 | | |
| 2026-02-04 11:00 | 138412 | | |
| 2026-02-04 10:00 | 144831 | | |
| 2026-02-04 09:00 | 145244 | | |
| 2026-02-04 08:00 | 140656 | | |
| 2026-02-04 07:00 | 128431 | | |
| 2026-02-04 06:00 | 116419 | | |
| 2026-02-04 05:00 | 116844 | | |
| 2026-02-04 04:00 | 127856 | | |
| 2026-02-04 03:00 | 140219 | | |
| 2026-02-04 02:00 | 149806 | | |
| 2026-02-04 01:00 | 156006 | | |
| 2026-02-04 00:00 | 160281 | | |
| 2026-02-03 23:00 | 163738 | | |
| 2026-02-03 22:00 | 165100 | | |
| 2026-02-03 21:00 | 164525 | | |
| 2026-02-03 20:00 | 163731 | | |
| 2026-02-03 19:00 | 163094 | | |
| 2026-02-03 18:00 | 161075 | | |
| 2026-02-03 17:00 | 155450 | | |
| 2026-02-03 16:00 | 147131 | | |
| 2026-02-03 15:00 | 140394 | | |
| 2026-02-03 14:00 | 137894 | | |
| 2026-02-03 13:00 | 138281 | | |
| 2026-02-03 12:00 | 139594 | | |
| 2026-02-03 11:00 | 144325 | | |
| 2026-02-03 10:00 | 153162 | | |
| 2026-02-03 09:00 | 159731 | | |
| 2026-02-03 08:00 | 159806 | | |
| 2026-02-03 07:00 | 153463 | | |
| 2026-02-03 06:00 | 143681 | | |
| 2026-02-03 05:00 | 135588 | | |
| 2026-02-03 04:00 | 128981 | | |
| 2026-02-03 03:00 | 121987 | | |
| 2026-02-03 02:00 | 116938 | | |
| 2026-02-03 01:00 | 117119 | | |
| 2026-02-03 00:00 | 125150 | | |
| 2026-02-02 23:00 | 136812 | | |
| 2026-02-02 22:00 | 140575 | | |
| 2026-02-02 21:00 | 132325 | | |
| 2026-02-02 20:00 | 118594 | | |
| 2026-02-02 19:00 | 104356 | | |
| 2026-02-02 18:00 | 89506 | | |
| 2026-02-02 17:00 | 77719 | | |
| 2026-02-02 16:00 | 78250 | | |
| 2026-02-02 15:00 | 92469 | | |
| 2026-02-02 14:00 | 110500 | | |
| 2026-02-02 13:00 | 124975 | | |
| 2026-02-02 12:00 | 136488 | | |
| 2026-02-02 11:00 | 146512 | | |
| 2026-02-02 10:00 | 153219 | | |
| 2026-02-02 09:00 | 156300 | | |
| 2026-02-02 08:00 | 158494 | | |
| 2026-02-02 07:00 | 159675 | | |
| 2026-02-02 06:00 | 157931 | | |
| 2026-02-02 05:00 | 153975 | | |
| 2026-02-02 04:00 | 149169 | | |
| 2026-02-02 03:00 | 144975 | | |
| 2026-02-02 02:00 | 144169 | | |
| 2026-02-02 01:00 | 147106 | | |
| 2026-02-02 00:00 | 149231 | | |
| 2026-02-01 23:00 | 145669 | | |
| 2026-02-01 22:00 | 134662 | | |
| 2026-02-01 21:00 | 117112 | | |
| 2026-02-01 20:00 | 98631 | | |
| 2026-02-01 19:00 | 86456 | | |
| 2026-02-01 18:00 | 80219 | | |
| 2026-02-01 17:00 | 74400 | | |
| 2026-02-01 16:00 | 69400 | | |
| 2026-02-01 15:00 | 71438 | | |
| 2026-02-01 14:00 | 82294 | | |
| 2026-02-01 13:00 | 95225 | | |
| 2026-02-01 12:00 | 103562 | | |
| 2026-02-01 11:00 | 109662 | | |
| 2026-02-01 10:00 | 119150 | | |
| 2026-02-01 09:00 | 131456 | | |
| 2026-02-01 08:00 | 142606 | | |
| 2026-02-01 07:00 | 148700 | | |
| 2026-02-01 06:00 | 145306 | | |
| 2026-02-01 05:00 | 133281 | | |
| 2026-02-01 04:00 | 120612 | | |
| 2026-02-01 03:00 | 115213 | | |
| 2026-02-01 02:00 | 120656 | | |
| 2026-02-01 01:00 | 132738 | | |
| 2026-02-01 00:00 | 142144 | | |
| 2026-01-31 23:00 | 145125 | | |
| 2026-01-31 22:00 | 145181 | | |
| 2026-01-31 21:00 | 147544 | | |
| 2026-01-31 20:00 | 152381 | | |
| 2026-01-31 19:00 | 152031 | | |
| 2026-01-31 18:00 | 141356 | | |
| 2026-01-31 17:00 | 124944 | | |
| 2026-01-31 16:00 | 110769 | | |
| 2026-01-31 15:00 | 105744 | | |
| 2026-01-31 14:00 | 114362 | | |
| 2026-01-31 13:00 | 132262 | | |
| 2026-01-31 12:00 | 147325 | | |
| 2026-01-31 11:00 | 153812 | | |
| 2026-01-31 10:00 | 156006 | | |
| 2026-01-31 09:00 | 157688 | | |
| 2026-01-31 08:00 | 157725 | | |
| 2026-01-31 07:00 | 152744 | | |
| 2026-01-31 06:00 | 141700 | | |
| 2026-01-31 05:00 | 129169 | | |
| 2026-01-31 04:00 | 121037 | | |
| 2026-01-31 03:00 | 118237 | | |
| 2026-01-31 02:00 | 121044 | | |
| 2026-01-31 01:00 | 132794 | | |
| 2026-01-31 00:00 | 147475 | | |
| 2026-01-30 23:00 | 153956 | | |
| 2026-01-30 22:00 | 155344 | | |
| 2026-01-30 21:00 | 157637 | | |
| 2026-01-30 20:00 | 158537 | | |
| 2026-01-30 19:00 | 158113 | | |
| 2026-01-30 18:00 | 156312 | | |
| 2026-01-30 17:00 | 149850 | | |
| 2026-01-30 16:00 | 142731 | | |
| 2026-01-30 15:00 | 143012 | | |
| 2026-01-30 14:00 | 149213 | | |
| 2026-01-30 13:00 | 154431 | | |
| 2026-01-30 12:00 | 158225 | | |
| 2026-01-30 11:00 | 163781 | | |
| 2026-01-30 10:00 | 170031 | | |
| 2026-01-30 09:00 | 173387 | | |
| 2026-01-30 08:00 | 171512 | | |
| 2026-01-30 07:00 | 162125 | | |
| 2026-01-30 06:00 | 145069 | | |
| 2026-01-30 05:00 | 126250 | | |
| 2026-01-30 04:00 | 113013 | | |
| 2026-01-30 03:00 | 109056 | | |
| 2026-01-30 02:00 | 116675 | | |
| 2026-01-30 01:00 | 134125 | | |
| 2026-01-30 00:00 | 151525 | | |
| 2026-01-29 23:00 | 160250 | | |
| 2026-01-29 22:00 | 161625 | | |
| 2026-01-29 21:00 | 161325 | | |
| 2026-01-29 20:00 | 161787 | | |
| 2026-01-29 19:00 | 161781 | | |
| 2026-01-29 18:00 | 160225 | | |
| 2026-01-29 17:00 | 157725 | | |
| 2026-01-29 16:00 | 155512 | | |
| 2026-01-29 15:00 | 154925 | | |
| 2026-01-29 14:00 | 155787 | | |
| 2026-01-29 13:00 | 156387 | | |
| 2026-01-29 12:00 | 157050 | | |
| 2026-01-29 11:00 | 159812 | | |
| 2026-01-29 10:00 | 163225 | | |
| 2026-01-29 09:00 | 162831 | | |
| 2026-01-29 08:00 | 155550 | | |
| 2026-01-29 07:00 | 140850 | | |
| 2026-01-29 06:00 | 123713 | | |
| 2026-01-29 05:00 | 113044 | | |
| 2026-01-29 04:00 | 112331 | | |
| 2026-01-29 03:00 | 118419 | | |
| 2026-01-29 02:00 | 126769 | | |
| 2026-01-29 01:00 | 133450 | | |
| 2026-01-29 00:00 | 137675 | | |
| 2026-01-28 23:00 | 141519 | | |
| 2026-01-28 22:00 | 145037 | | |
| 2026-01-28 21:00 | 144562 | | |
| 2026-01-28 20:00 | 134850 | | |
| 2026-01-28 19:00 | 116656 | | |
| 2026-01-28 18:00 | 100013 | | |
| 2026-01-28 17:00 | 93575 | | |
| 2026-01-28 16:00 | 98081 | | |
| 2026-01-28 15:00 | 109869 | | |
| 2026-01-28 14:00 | 123600 | | |
| 2026-01-28 13:00 | 135088 | | |
| 2026-01-28 12:00 | 144450 | | |
| 2026-01-28 11:00 | 153656 | | |
| 2026-01-28 10:00 | 161719 | | |
| 2026-01-28 09:00 | 165844 | | |
| 2026-01-28 08:00 | 164069 | | |
| 2026-01-28 07:00 | 155106 | | |
| 2026-01-28 06:00 | 141094 | | |
| 2026-01-28 05:00 | 128819 | | |
| 2026-01-28 04:00 | 124600 | | |
| 2026-01-28 03:00 | 129100 | | |
| 2026-01-28 02:00 | 137131 | | |
| 2026-01-28 01:00 | 144169 | | |
| 2026-01-28 00:00 | 150031 | | |
| 2026-01-27 23:00 | 154831 | | |
| 2026-01-27 22:00 | 157969 | | |
| 2026-01-27 21:00 | 159700 | | |
| 2026-01-27 20:00 | 159750 | | |
| 2026-01-27 19:00 | 158700 | | |
| 2026-01-27 18:00 | 156338 | | |
| 2026-01-27 17:00 | 148881 | | |
| 2026-01-27 16:00 | 139637 | | |
| 2026-01-27 15:00 | 136681 | | |
| 2026-01-27 14:00 | 136631 | | |
| 2026-01-27 13:00 | 131044 | | |
| 2026-01-27 12:00 | 121569 | | |
| 2026-01-27 11:00 | 122888 | | |
| 2026-01-27 10:00 | 146444 | | |
| 2026-01-27 09:00 | 177488 | | |
| 2026-01-27 08:00 | 189438 | | |
| 2026-01-27 07:00 | 179275 | | |
| 2026-01-27 06:00 | 164250 | | |
| 2026-01-27 05:00 | 154169 | | |
| 2026-01-27 04:00 | 146994 | | |
| 2026-01-27 03:00 | 141113 | | |
| 2026-01-27 02:00 | 138137 | | |
| 2026-01-27 01:00 | 138756 | | |
| 2026-01-27 00:00 | 143331 | | |
| 2026-01-26 23:00 | 151300 | | |
| 2026-01-26 22:00 | 157500 | | |
| 2026-01-26 21:00 | 156500 | | |
| 2026-01-26 20:00 | 150000 | | |
| 2026-01-26 19:00 | 144100 | | |
| 2026-01-26 18:00 | 140287 | | |
| 2026-01-26 17:00 | 135588 | | |
| 2026-01-26 16:00 | 131488 | | |