COLUMBIA--MCNARY DAM (MCDW1)
| Observed |
| Date/Time (PDT) | Discharge |
| 2026-06-27 23:00 | 144688 | | |
| 2026-06-27 22:00 | 145025 | | |
| 2026-06-27 21:00 | 145281 | | |
| 2026-06-27 20:00 | 145738 | | |
| 2026-06-27 19:00 | 146012 | | |
| 2026-06-27 18:00 | 145912 | | |
| 2026-06-27 17:00 | 145806 | | |
| 2026-06-27 16:00 | 146075 | | |
| 2026-06-27 15:00 | 146556 | | |
| 2026-06-27 14:00 | 146769 | | |
| 2026-06-27 13:00 | 146662 | | |
| 2026-06-27 12:00 | 147137 | | |
| 2026-06-27 11:00 | 149350 | | |
| 2026-06-27 10:00 | 152588 | | |
| 2026-06-27 09:00 | 154544 | | |
| 2026-06-27 08:00 | 154088 | | |
| 2026-06-27 07:00 | 151581 | | |
| 2026-06-27 06:00 | 148425 | | |
| 2026-06-27 05:00 | 146450 | | |
| 2026-06-27 04:00 | 145850 | | |
| 2026-06-27 03:00 | 145619 | | |
| 2026-06-27 02:00 | 146213 | | |
| 2026-06-27 01:00 | 149113 | | |
| 2026-06-27 00:00 | 153175 | | |
| 2026-06-26 23:00 | 155444 | | |
| 2026-06-26 22:00 | 156056 | | |
| 2026-06-26 21:00 | 157344 | | |
| 2026-06-26 20:00 | 159881 | | |
| 2026-06-26 19:00 | 162094 | | |
| 2026-06-26 18:00 | 161725 | | |
| 2026-06-26 17:00 | 158875 | | |
| 2026-06-26 16:00 | 156412 | | |
| 2026-06-26 15:00 | 155694 | | |
| 2026-06-26 14:00 | 155700 | | |
| 2026-06-26 13:00 | 155669 | | |
| 2026-06-26 12:00 | 155556 | | |
| 2026-06-26 11:00 | 155475 | | |
| 2026-06-26 10:00 | 155512 | | |
| 2026-06-26 09:00 | 155581 | | |
| 2026-06-26 08:00 | 155769 | | |
| 2026-06-26 07:00 | 156469 | | |
| 2026-06-26 06:00 | 157481 | | |
| 2026-06-26 05:00 | 158081 | | |
| 2026-06-26 04:00 | 158219 | | |
| 2026-06-26 03:00 | 158350 | | |
| 2026-06-26 02:00 | 158713 | | |
| 2026-06-26 01:00 | 160119 | | |
| 2026-06-26 00:00 | 164113 | | |
| 2026-06-25 23:00 | 172006 | | |
| 2026-06-25 22:00 | 184644 | | |
| 2026-06-25 21:00 | 197831 | | |
| 2026-06-25 20:00 | 201594 | | |
| 2026-06-25 19:00 | 193331 | | |
| 2026-06-25 18:00 | 182250 | | |
| 2026-06-25 17:00 | 175175 | | |
| 2026-06-25 16:00 | 169863 | | |
| 2026-06-25 15:00 | 164275 | | |
| 2026-06-25 14:00 | 160644 | | |
| 2026-06-25 13:00 | 159631 | | |
| 2026-06-25 12:00 | 159581 | | |
| 2026-06-25 11:00 | 159575 | | |
| 2026-06-25 10:00 | 159425 | | |
| 2026-06-25 09:00 | 159306 | | |
| 2026-06-25 08:00 | 161006 | | |
| 2026-06-25 07:00 | 167275 | | |
| 2026-06-25 06:00 | 176325 | | |
| 2026-06-25 05:00 | 182375 | | |
| 2026-06-25 04:00 | 183975 | | |
| 2026-06-25 03:00 | 183850 | | |
| 2026-06-25 02:00 | 182750 | | |
| 2026-06-25 01:00 | 179350 | | |
| 2026-06-25 00:00 | 174262 | | |
| 2026-06-24 23:00 | 171556 | | |
| 2026-06-24 22:00 | 174856 | | |
| 2026-06-24 21:00 | 182569 | | |
| 2026-06-24 20:00 | 190037 | | |
| 2026-06-24 19:00 | 194338 | | |
| 2026-06-24 18:00 | 194425 | | |
| 2026-06-24 17:00 | 191706 | | |
| 2026-06-24 16:00 | 187950 | | |
| 2026-06-24 15:00 | 181269 | | |
| 2026-06-24 14:00 | 172175 | | |
| 2026-06-24 13:00 | 165969 | | |
| 2026-06-24 12:00 | 164037 | | |
| 2026-06-24 11:00 | 163556 | | |
| 2026-06-24 10:00 | 163325 | | |
| 2026-06-24 09:00 | 163594 | | |
| 2026-06-24 08:00 | 165588 | | |
| 2026-06-24 07:00 | 171438 | | |
| 2026-06-24 06:00 | 179519 | | |
| 2026-06-24 05:00 | 184794 | | |
| 2026-06-24 04:00 | 186056 | | |
| 2026-06-24 03:00 | 185787 | | |
| 2026-06-24 02:00 | 185662 | | |
| 2026-06-24 01:00 | 186181 | | |
| 2026-06-24 00:00 | 186863 | | |
| 2026-06-23 23:00 | 186931 | | |
| 2026-06-23 22:00 | 186519 | | |
| 2026-06-23 21:00 | 186156 | | |
| 2026-06-23 20:00 | 186069 | | |
| 2026-06-23 19:00 | 186019 | | |
| 2026-06-23 18:00 | 185319 | | |
| 2026-06-23 17:00 | 183613 | | |
| 2026-06-23 16:00 | 181006 | | |
| 2026-06-23 15:00 | 177344 | | |
| 2026-06-23 14:00 | 173356 | | |
| 2026-06-23 13:00 | 170581 | | |
| 2026-06-23 12:00 | 168863 | | |
| 2026-06-23 11:00 | 167331 | | |
| 2026-06-23 10:00 | 164950 | | |
| 2026-06-23 09:00 | 158931 | | |
| 2026-06-23 08:00 | 149294 | | |
| 2026-06-23 07:00 | 141206 | | |
| 2026-06-23 06:00 | 137725 | | |
| 2026-06-23 05:00 | 137025 | | |
| 2026-06-23 04:00 | 137019 | | |
| 2026-06-23 03:00 | 137081 | | |
| 2026-06-23 02:00 | 137281 | | |
| 2026-06-23 01:00 | 138113 | | |
| 2026-06-23 00:00 | 139531 | | |
| 2026-06-22 23:00 | 141156 | | |
| 2026-06-22 22:00 | 143544 | | |
| 2026-06-22 21:00 | 146700 | | |
| 2026-06-22 20:00 | 149294 | | |
| 2026-06-22 19:00 | 150894 | | |
| 2026-06-22 18:00 | 151106 | | |
| 2026-06-22 17:00 | 148375 | | |
| 2026-06-22 16:00 | 143619 | | |
| 2026-06-22 15:00 | 140219 | | |
| 2026-06-22 14:00 | 139113 | | |
| 2026-06-22 13:00 | 138894 | | |
| 2026-06-22 12:00 | 138806 | | |
| 2026-06-22 11:00 | 138844 | | |
| 2026-06-22 10:00 | 138963 | | |
| 2026-06-22 09:00 | 139012 | | |
| 2026-06-22 08:00 | 138988 | | |
| 2026-06-22 07:00 | 138994 | | |
| 2026-06-22 06:00 | 138944 | | |
| 2026-06-22 05:00 | 138713 | | |
| 2026-06-22 04:00 | 138425 | | |
| 2026-06-22 03:00 | 138287 | | |
| 2026-06-22 02:00 | 138481 | | |
| 2026-06-22 01:00 | 139162 | | |
| 2026-06-22 00:00 | 140081 | | |
| 2026-06-21 23:00 | 140681 | | |
| 2026-06-21 22:00 | 140900 | | |
| 2026-06-21 21:00 | 141250 | | |
| 2026-06-21 20:00 | 142062 | | |
| 2026-06-21 19:00 | 142944 | | |
| 2026-06-21 18:00 | 143294 | | |
| 2026-06-21 17:00 | 143200 | | |
| 2026-06-21 16:00 | 143044 | | |
| 2026-06-21 15:00 | 142906 | | |
| 2026-06-21 14:00 | 142850 | | |
| 2026-06-21 13:00 | 142919 | | |
| 2026-06-21 12:00 | 143719 | | |
| 2026-06-21 11:00 | 146600 | | |
| 2026-06-21 10:00 | 151000 | | |
| 2026-06-21 09:00 | 155100 | | |
| 2026-06-21 08:00 | 159775 | | |
| 2026-06-21 07:00 | 164906 | | |
| 2026-06-21 06:00 | 165781 | | |
| 2026-06-21 05:00 | 160188 | | |
| 2026-06-21 04:00 | 152419 | | |
| 2026-06-21 03:00 | 147088 | | |
| 2026-06-21 02:00 | 145125 | | |
| 2026-06-21 01:00 | 145963 | | |
| 2026-06-21 00:00 | 148294 | | |
| 2026-06-20 23:00 | 149775 | | |
| 2026-06-20 22:00 | 149550 | | |
| 2026-06-20 21:00 | 148975 | | |
| 2026-06-20 20:00 | 149200 | | |
| 2026-06-20 19:00 | 149956 | | |
| 2026-06-20 18:00 | 150363 | | |
| 2026-06-20 17:00 | 150281 | | |
| 2026-06-20 16:00 | 150312 | | |
| 2026-06-20 15:00 | 150569 | | |
| 2026-06-20 14:00 | 150606 | | |
| 2026-06-20 13:00 | 150262 | | |
| 2026-06-20 12:00 | 149831 | | |
| 2026-06-20 11:00 | 149731 | | |
| 2026-06-20 10:00 | 150019 | | |
| 2026-06-20 09:00 | 150281 | | |
| 2026-06-20 08:00 | 150944 | | |
| 2026-06-20 07:00 | 153519 | | |
| 2026-06-20 06:00 | 157494 | | |
| 2026-06-20 05:00 | 160188 | | |
| 2026-06-20 04:00 | 160875 | | |
| 2026-06-20 03:00 | 160762 | | |
| 2026-06-20 02:00 | 160488 | | |
| 2026-06-20 01:00 | 160325 | | |
| 2026-06-20 00:00 | 160312 | | |
| 2026-06-19 23:00 | 160119 | | |
| 2026-06-19 22:00 | 160869 | | |
| 2026-06-19 21:00 | 164925 | | |
| 2026-06-19 20:00 | 171269 | | |
| 2026-06-19 19:00 | 175544 | | |
| 2026-06-19 18:00 | 175019 | | |
| 2026-06-19 17:00 | 169269 | | |
| 2026-06-19 16:00 | 161088 | | |
| 2026-06-19 15:00 | 155713 | | |
| 2026-06-19 14:00 | 154381 | | |
| 2026-06-19 13:00 | 154481 | | |
| 2026-06-19 12:00 | 154581 | | |
| 2026-06-19 11:00 | 154738 | | |
| 2026-06-19 10:00 | 155137 | | |
| 2026-06-19 09:00 | 155606 | | |
| 2026-06-19 08:00 | 156756 | | |
| 2026-06-19 07:00 | 160475 | | |
| 2026-06-19 06:00 | 166100 | | |
| 2026-06-19 05:00 | 170025 | | |
| 2026-06-19 04:00 | 171088 | | |
| 2026-06-19 03:00 | 170963 | | |
| 2026-06-19 02:00 | 171131 | | |
| 2026-06-19 01:00 | 172800 | | |
| 2026-06-19 00:00 | 176381 | | |
| 2026-06-18 23:00 | 181131 | | |
| 2026-06-18 22:00 | 185731 | | |
| 2026-06-18 21:00 | 188631 | | |
| 2026-06-18 20:00 | 189688 | | |
| 2026-06-18 19:00 | 189806 | | |
| 2026-06-18 18:00 | 188631 | | |
| 2026-06-18 17:00 | 184394 | | |
| 2026-06-18 16:00 | 176406 | | |
| 2026-06-18 15:00 | 167919 | | |
| 2026-06-18 14:00 | 163150 | | |
| 2026-06-18 13:00 | 161994 | | |
| 2026-06-18 12:00 | 161869 | | |
| 2026-06-18 11:00 | 161637 | | |
| 2026-06-18 10:00 | 161331 | | |
| 2026-06-18 09:00 | 161037 | | |
| 2026-06-18 08:00 | 160863 | | |
| 2026-06-18 07:00 | 160975 | | |
| 2026-06-18 06:00 | 161256 | | |
| 2026-06-18 05:00 | 161387 | | |
| 2026-06-18 04:00 | 161463 | | |
| 2026-06-18 03:00 | 161537 | | |
| 2026-06-18 02:00 | 161525 | | |
| 2026-06-18 01:00 | 162025 | | |
| 2026-06-18 00:00 | 163331 | | |
| 2026-06-17 23:00 | 165806 | | |
| 2026-06-17 22:00 | 172881 | | |
| 2026-06-17 21:00 | 186800 | | |
| 2026-06-17 20:00 | 201431 | | |
| 2026-06-17 19:00 | 208800 | | |
| 2026-06-17 18:00 | 207375 | | |
| 2026-06-17 17:00 | 198750 | | |