COLUMBIA--BLO ROCK ISLAND DAM (RISW1)
| Observed |
| Date/Time (PDT) | Discharge |
| 2025-05-10 23:00 | 148069 | | |
| 2025-05-10 22:00 | 150669 | | |
| 2025-05-10 21:00 | 146625 | | |
| 2025-05-10 20:00 | 138188 | | |
| 2025-05-10 19:00 | 128781 | | |
| 2025-05-10 18:00 | 119406 | | |
| 2025-05-10 17:00 | 110662 | | |
| 2025-05-10 16:00 | 105025 | | |
| 2025-05-10 15:00 | 105950 | | |
| 2025-05-10 14:00 | 115213 | | |
| 2025-05-10 13:00 | 127888 | | |
| 2025-05-10 12:00 | 136669 | | |
| 2025-05-10 11:00 | 140613 | | |
| 2025-05-10 10:00 | 142025 | | |
| 2025-05-10 09:00 | 141863 | | |
| 2025-05-10 08:00 | 142231 | | |
| 2025-05-10 07:00 | 147150 | | |
| 2025-05-10 06:00 | 155625 | | |
| 2025-05-10 05:00 | 160312 | | |
| 2025-05-10 04:00 | 160631 | | |
| 2025-05-10 03:00 | 163094 | | |
| 2025-05-10 02:00 | 166306 | | |
| 2025-05-10 01:00 | 165169 | | |
| 2025-05-10 00:00 | 165425 | | |
| 2025-05-09 23:00 | 171056 | | |
| 2025-05-09 22:00 | 172562 | | |
| 2025-05-09 21:00 | 169225 | | |
| 2025-05-09 20:00 | 169988 | | |
| 2025-05-09 19:00 | 171512 | | |
| 2025-05-09 18:00 | 167506 | | |
| 2025-05-09 17:00 | 160713 | | |
| 2025-05-09 16:00 | 154369 | | |
| 2025-05-09 15:00 | 147975 | | |
| 2025-05-09 14:00 | 143156 | | |
| 2025-05-09 13:00 | 144000 | | |
| 2025-05-09 12:00 | 148925 | | |
| 2025-05-09 11:00 | 152069 | | |
| 2025-05-09 10:00 | 152062 | | |
| 2025-05-09 09:00 | 152406 | | |
| 2025-05-09 08:00 | 155769 | | |
| 2025-05-09 07:00 | 158738 | | |
| 2025-05-09 06:00 | 154606 | | |
| 2025-05-09 05:00 | 144562 | | |
| 2025-05-09 04:00 | 136756 | | |
| 2025-05-09 03:00 | 134156 | | |
| 2025-05-09 02:00 | 134556 | | |
| 2025-05-09 01:00 | 136281 | | |
| 2025-05-09 00:00 | 138444 | | |
| 2025-05-08 23:00 | 141344 | | |
| 2025-05-08 22:00 | 144019 | | |
| 2025-05-08 21:00 | 142131 | | |
| 2025-05-08 20:00 | 134325 | | |
| 2025-05-08 19:00 | 125300 | | |
| 2025-05-08 18:00 | 119425 | | |
| 2025-05-08 17:00 | 118138 | | |
| 2025-05-08 16:00 | 121306 | | |
| 2025-05-08 15:00 | 126950 | | |
| 2025-05-08 14:00 | 132113 | | |
| 2025-05-08 13:00 | 136319 | | |
| 2025-05-08 12:00 | 143569 | | |
| 2025-05-08 11:00 | 152137 | | |
| 2025-05-08 10:00 | 152350 | | |
| 2025-05-08 09:00 | 144119 | | |
| 2025-05-08 08:00 | 136637 | | |
| 2025-05-08 07:00 | 132150 | | |
| 2025-05-08 06:00 | 125662 | | |
| 2025-05-08 05:00 | 116900 | | |
| 2025-05-08 04:00 | 112125 | | |
| 2025-05-08 03:00 | 115275 | | |
| 2025-05-08 02:00 | 125888 | | |
| 2025-05-08 01:00 | 139294 | | |
| 2025-05-08 00:00 | 148981 | | |
| 2025-05-07 23:00 | 153581 | | |
| 2025-05-07 22:00 | 155619 | | |
| 2025-05-07 21:00 | 156688 | | |
| 2025-05-07 20:00 | 157137 | | |
| 2025-05-07 19:00 | 157225 | | |
| 2025-05-07 18:00 | 156812 | | |
| 2025-05-07 17:00 | 155262 | | |
| 2025-05-07 16:00 | 151169 | | |
| 2025-05-07 15:00 | 140850 | | |
| 2025-05-07 14:00 | 125088 | | |
| 2025-05-07 13:00 | 113131 | | |
| 2025-05-07 12:00 | 109725 | | |
| 2025-05-07 11:00 | 111169 | | |
| 2025-05-07 10:00 | 116050 | | |
| 2025-05-07 09:00 | 125500 | | |
| 2025-05-07 08:00 | 135312 | | |
| 2025-05-07 07:00 | 135794 | | |
| 2025-05-07 06:00 | 123025 | | |
| 2025-05-07 05:00 | 107188 | | |
| 2025-05-07 04:00 | 101550 | | |
| 2025-05-07 03:00 | 108031 | | |
| 2025-05-07 02:00 | 121237 | | |
| 2025-05-07 01:00 | 137281 | | |
| 2025-05-07 00:00 | 152162 | | |
| 2025-05-06 23:00 | 161356 | | |
| 2025-05-06 22:00 | 164625 | | |
| 2025-05-06 21:00 | 164887 | | |
| 2025-05-06 20:00 | 161025 | | |
| 2025-05-06 19:00 | 146700 | | |
| 2025-05-06 18:00 | 123638 | | |
| 2025-05-06 17:00 | 107088 | | |
| 2025-05-06 16:00 | 105650 | | |
| 2025-05-06 15:00 | 112150 | | |
| 2025-05-06 14:00 | 118731 | | |
| 2025-05-06 13:00 | 122463 | | |
| 2025-05-06 12:00 | 122612 | | |
| 2025-05-06 11:00 | 122862 | | |
| 2025-05-06 10:00 | 126994 | | |
| 2025-05-06 09:00 | 134581 | | |
| 2025-05-06 08:00 | 145713 | | |
| 2025-05-06 07:00 | 156575 | | |
| 2025-05-06 06:00 | 158994 | | |
| 2025-05-06 05:00 | 156781 | | |
| 2025-05-06 04:00 | 158425 | | |
| 2025-05-06 03:00 | 159512 | | |
| 2025-05-06 02:00 | 155088 | | |
| 2025-05-06 01:00 | 147756 | | |
| 2025-05-06 00:00 | 139575 | | |
| 2025-05-05 23:00 | 134525 | | |
| 2025-05-05 22:00 | 136363 | | |
| 2025-05-05 21:00 | 139525 | | |
| 2025-05-05 20:00 | 136312 | | |
| 2025-05-05 19:00 | 126206 | | |
| 2025-05-05 18:00 | 113806 | | |
| 2025-05-05 17:00 | 104787 | | |
| 2025-05-05 16:00 | 101850 | | |
| 2025-05-05 15:00 | 102631 | | |
| 2025-05-05 14:00 | 104487 | | |
| 2025-05-05 13:00 | 109544 | | |
| 2025-05-05 12:00 | 118869 | | |
| 2025-05-05 11:00 | 127819 | | |
| 2025-05-05 10:00 | 133881 | | |
| 2025-05-05 09:00 | 138206 | | |
| 2025-05-05 08:00 | 138363 | | |
| 2025-05-05 07:00 | 130925 | | |
| 2025-05-05 06:00 | 118206 | | |
| 2025-05-05 05:00 | 106987 | | |
| 2025-05-05 04:00 | 102562 | | |
| 2025-05-05 03:00 | 104256 | | |
| 2025-05-05 02:00 | 107319 | | |
| 2025-05-05 01:00 | 108856 | | |
| 2025-05-05 00:00 | 110006 | | |
| 2025-05-04 23:00 | 112144 | | |
| 2025-05-04 22:00 | 116050 | | |
| 2025-05-04 21:00 | 124131 | | |
| 2025-05-04 20:00 | 133613 | | |
| 2025-05-04 19:00 | 135625 | | |
| 2025-05-04 18:00 | 127025 | | |
| 2025-05-04 17:00 | 112650 | | |
| 2025-05-04 16:00 | 100719 | | |
| 2025-05-04 15:00 | 97256 | | |
| 2025-05-04 14:00 | 97881 | | |
| 2025-05-04 13:00 | 92987 | | |
| 2025-05-04 12:00 | 82662 | | |
| 2025-05-04 11:00 | 78319 | | |
| 2025-05-04 10:00 | 89281 | | |
| 2025-05-04 09:00 | 109425 | | |
| 2025-05-04 08:00 | 122469 | | |
| 2025-05-04 07:00 | 121487 | | |
| 2025-05-04 06:00 | 113213 | | |
| 2025-05-04 05:00 | 106481 | | |
| 2025-05-04 04:00 | 104150 | | |
| 2025-05-04 03:00 | 103912 | | |
| 2025-05-04 02:00 | 103737 | | |
| 2025-05-04 01:00 | 103581 | | |
| 2025-05-04 00:00 | 104844 | | |
| 2025-05-03 23:00 | 108062 | | |
| 2025-05-03 22:00 | 110688 | | |
| 2025-05-03 21:00 | 108769 | | |
| 2025-05-03 20:00 | 96525 | | |
| 2025-05-03 19:00 | 74856 | | |
| 2025-05-03 18:00 | 57987 | | |
| 2025-05-03 17:00 | 53569 | | |
| 2025-05-03 16:00 | 55081 | | |
| 2025-05-03 15:00 | 60312 | | |
| 2025-05-03 14:00 | 71013 | | |
| 2025-05-03 13:00 | 81969 | | |
| 2025-05-03 12:00 | 86469 | | |
| 2025-05-03 11:00 | 84769 | | |
| 2025-05-03 10:00 | 86231 | | |
| 2025-05-03 09:00 | 98406 | | |
| 2025-05-03 08:00 | 111925 | | |
| 2025-05-03 07:00 | 114081 | | |
| 2025-05-03 06:00 | 108669 | | |
| 2025-05-03 05:00 | 104475 | | |
| 2025-05-03 04:00 | 102963 | | |
| 2025-05-03 03:00 | 104487 | | |
| 2025-05-03 02:00 | 110081 | | |
| 2025-05-03 01:00 | 118044 | | |
| 2025-05-03 00:00 | 124425 | | |
| 2025-05-02 23:00 | 126344 | | |
| 2025-05-02 22:00 | 126919 | | |
| 2025-05-02 21:00 | 129775 | | |
| 2025-05-02 20:00 | 133537 | | |
| 2025-05-02 19:00 | 140287 | | |
| 2025-05-02 18:00 | 150656 | | |
| 2025-05-02 17:00 | 155525 | | |
| 2025-05-02 16:00 | 149706 | | |
| 2025-05-02 15:00 | 138644 | | |
| 2025-05-02 14:00 | 129012 | | |
| 2025-05-02 13:00 | 123869 | | |
| 2025-05-02 12:00 | 122931 | | |
| 2025-05-02 11:00 | 124388 | | |
| 2025-05-02 10:00 | 128381 | | |
| 2025-05-02 09:00 | 136994 | | |
| 2025-05-02 08:00 | 149662 | | |
| 2025-05-02 07:00 | 160725 | | |
| 2025-05-02 06:00 | 164931 | | |
| 2025-05-02 05:00 | 164175 | | |
| 2025-05-02 04:00 | 163856 | | |
| 2025-05-02 03:00 | 165481 | | |
| 2025-05-02 02:00 | 167006 | | |
| 2025-05-02 01:00 | 167238 | | |
| 2025-05-02 00:00 | 167488 | | |
| 2025-05-01 23:00 | 169213 | | |
| 2025-05-01 22:00 | 170338 | | |
| 2025-05-01 21:00 | 168544 | | |
| 2025-05-01 20:00 | 162894 | | |
| 2025-05-01 19:00 | 146950 | | |
| 2025-05-01 18:00 | 121725 | | |
| 2025-05-01 17:00 | 106188 | | |
| 2025-05-01 16:00 | 109312 | | |
| 2025-05-01 15:00 | 119112 | | |
| 2025-05-01 14:00 | 126625 | | |
| 2025-05-01 13:00 | 134419 | | |
| 2025-05-01 12:00 | 144706 | | |
| 2025-05-01 11:00 | 153738 | | |
| 2025-05-01 10:00 | 159344 | | |
| 2025-05-01 09:00 | 162981 | | |
| 2025-05-01 08:00 | 164069 | | |
| 2025-05-01 07:00 | 162387 | | |
| 2025-05-01 06:00 | 160775 | | |
| 2025-05-01 05:00 | 161031 | | |
| 2025-05-01 04:00 | 162275 | | |
| 2025-05-01 03:00 | 163106 | | |
| 2025-05-01 02:00 | 163194 | | |
| 2025-05-01 01:00 | 163000 | | |
| 2025-05-01 00:00 | 162450 | | |
| 2025-04-30 23:00 | 161137 | | |
| 2025-04-30 22:00 | 159062 | | |
| 2025-04-30 21:00 | 155450 | | |
| 2025-04-30 20:00 | 147287 | | |
| 2025-04-30 19:00 | 131438 | | |
| 2025-04-30 18:00 | 113306 | | |
| 2025-04-30 17:00 | 104681 | | |