COLUMBIA--WANAPUM DAM (WANW1)
| Observed |
| Date/Time (PDT) | Discharge |
| 2025-05-11 09:00 | 135069 | | |
| 2025-05-11 08:00 | 136175 | | |
| 2025-05-11 07:00 | 141113 | | |
| 2025-05-11 06:00 | 145725 | | |
| 2025-05-11 05:00 | 149325 | | |
| 2025-05-11 04:00 | 151713 | | |
| 2025-05-11 03:00 | 149375 | | |
| 2025-05-11 02:00 | 141969 | | |
| 2025-05-11 01:00 | 137887 | | |
| 2025-05-11 00:00 | 143519 | | |
| 2025-05-10 23:00 | 152681 | | |
| 2025-05-10 22:00 | 157450 | | |
| 2025-05-10 21:00 | 156450 | | |
| 2025-05-10 20:00 | 150012 | | |
| 2025-05-10 19:00 | 140719 | | |
| 2025-05-10 18:00 | 132675 | | |
| 2025-05-10 17:00 | 128100 | | |
| 2025-05-10 16:00 | 128488 | | |
| 2025-05-10 15:00 | 132637 | | |
| 2025-05-10 14:00 | 137394 | | |
| 2025-05-10 13:00 | 143387 | | |
| 2025-05-10 12:00 | 150812 | | |
| 2025-05-10 11:00 | 153925 | | |
| 2025-05-10 10:00 | 150394 | | |
| 2025-05-10 09:00 | 147488 | | |
| 2025-05-10 08:00 | 151006 | | |
| 2025-05-10 07:00 | 158094 | | |
| 2025-05-10 06:00 | 164006 | | |
| 2025-05-10 05:00 | 167194 | | |
| 2025-05-10 04:00 | 167688 | | |
| 2025-05-10 03:00 | 167306 | | |
| 2025-05-10 02:00 | 169075 | | |
| 2025-05-10 01:00 | 171275 | | |
| 2025-05-10 00:00 | 169244 | | |
| 2025-05-09 23:00 | 164625 | | |
| 2025-05-09 22:00 | 162819 | | |
| 2025-05-09 21:00 | 164838 | | |
| 2025-05-09 20:00 | 168619 | | |
| 2025-05-09 19:00 | 171537 | | |
| 2025-05-09 18:00 | 171269 | | |
| 2025-05-09 17:00 | 168700 | | |
| 2025-05-09 16:00 | 163850 | | |
| 2025-05-09 15:00 | 152562 | | |
| 2025-05-09 14:00 | 136344 | | |
| 2025-05-09 13:00 | 125981 | | |
| 2025-05-09 12:00 | 128463 | | |
| 2025-05-09 11:00 | 137256 | | |
| 2025-05-09 10:00 | 140787 | | |
| 2025-05-09 09:00 | 136375 | | |
| 2025-05-09 08:00 | 129906 | | |
| 2025-05-09 07:00 | 127525 | | |
| 2025-05-09 06:00 | 129875 | | |
| 2025-05-09 05:00 | 131519 | | |
| 2025-05-09 04:00 | 129800 | | |
| 2025-05-09 03:00 | 129094 | | |
| 2025-05-09 02:00 | 132756 | | |
| 2025-05-09 01:00 | 140306 | | |
| 2025-05-09 00:00 | 149694 | | |
| 2025-05-08 23:00 | 156875 | | |
| 2025-05-08 22:00 | 159662 | | |
| 2025-05-08 21:00 | 159881 | | |
| 2025-05-08 20:00 | 158625 | | |
| 2025-05-08 19:00 | 155369 | | |
| 2025-05-08 18:00 | 151456 | | |
| 2025-05-08 17:00 | 149213 | | |
| 2025-05-08 16:00 | 149113 | | |
| 2025-05-08 15:00 | 151544 | | |
| 2025-05-08 14:00 | 155787 | | |
| 2025-05-08 13:00 | 156081 | | |
| 2025-05-08 12:00 | 149675 | | |
| 2025-05-08 11:00 | 142844 | | |
| 2025-05-08 10:00 | 139256 | | |
| 2025-05-08 09:00 | 136556 | | |
| 2025-05-08 08:00 | 134525 | | |
| 2025-05-08 07:00 | 134262 | | |
| 2025-05-08 06:00 | 133919 | | |
| 2025-05-08 05:00 | 129150 | | |
| 2025-05-08 04:00 | 119787 | | |
| 2025-05-08 03:00 | 111781 | | |
| 2025-05-08 02:00 | 111013 | | |
| 2025-05-08 01:00 | 122044 | | |
| 2025-05-08 00:00 | 140012 | | |
| 2025-05-07 23:00 | 150206 | | |
| 2025-05-07 22:00 | 150756 | | |
| 2025-05-07 21:00 | 151037 | | |
| 2025-05-07 20:00 | 148400 | | |
| 2025-05-07 19:00 | 132988 | | |
| 2025-05-07 18:00 | 109906 | | |
| 2025-05-07 17:00 | 97912 | | |
| 2025-05-07 16:00 | 105000 | | |
| 2025-05-07 15:00 | 120162 | | |
| 2025-05-07 14:00 | 128738 | | |
| 2025-05-07 13:00 | 125906 | | |
| 2025-05-07 12:00 | 118588 | | |
| 2025-05-07 11:00 | 115162 | | |
| 2025-05-07 10:00 | 115144 | | |
| 2025-05-07 09:00 | 114044 | | |
| 2025-05-07 08:00 | 113162 | | |
| 2025-05-07 07:00 | 116819 | | |
| 2025-05-07 06:00 | 124513 | | |
| 2025-05-07 05:00 | 132869 | | |
| 2025-05-07 04:00 | 139906 | | |
| 2025-05-07 03:00 | 144281 | | |
| 2025-05-07 02:00 | 145194 | | |
| 2025-05-07 01:00 | 144981 | | |
| 2025-05-07 00:00 | 147456 | | |
| 2025-05-06 23:00 | 151919 | | |
| 2025-05-06 22:00 | 155381 | | |
| 2025-05-06 21:00 | 156463 | | |
| 2025-05-06 20:00 | 153250 | | |
| 2025-05-06 19:00 | 146494 | | |
| 2025-05-06 18:00 | 140250 | | |
| 2025-05-06 17:00 | 134287 | | |
| 2025-05-06 16:00 | 125800 | | |
| 2025-05-06 15:00 | 117350 | | |
| 2025-05-06 14:00 | 112944 | | |
| 2025-05-06 13:00 | 112331 | | |
| 2025-05-06 12:00 | 115263 | | |
| 2025-05-06 11:00 | 120912 | | |
| 2025-05-06 10:00 | 126000 | | |
| 2025-05-06 09:00 | 130456 | | |
| 2025-05-06 08:00 | 136325 | | |
| 2025-05-06 07:00 | 142431 | | |
| 2025-05-06 06:00 | 145856 | | |
| 2025-05-06 05:00 | 145769 | | |
| 2025-05-06 04:00 | 143800 | | |
| 2025-05-06 03:00 | 141938 | | |
| 2025-05-06 02:00 | 141594 | | |
| 2025-05-06 01:00 | 142887 | | |
| 2025-05-06 00:00 | 143894 | | |
| 2025-05-05 23:00 | 143381 | | |
| 2025-05-05 22:00 | 143963 | | |
| 2025-05-05 21:00 | 146706 | | |
| 2025-05-05 20:00 | 145531 | | |
| 2025-05-05 19:00 | 136969 | | |
| 2025-05-05 18:00 | 127725 | | |
| 2025-05-05 17:00 | 123500 | | |
| 2025-05-05 16:00 | 121975 | | |
| 2025-05-05 15:00 | 120263 | | |
| 2025-05-05 14:00 | 119231 | | |
| 2025-05-05 13:00 | 120900 | | |
| 2025-05-05 12:00 | 124925 | | |
| 2025-05-05 11:00 | 127688 | | |
| 2025-05-05 10:00 | 127119 | | |
| 2025-05-05 09:00 | 126406 | | |
| 2025-05-05 08:00 | 130106 | | |
| 2025-05-05 07:00 | 137850 | | |
| 2025-05-05 06:00 | 142131 | | |
| 2025-05-05 05:00 | 136963 | | |
| 2025-05-05 04:00 | 127794 | | |
| 2025-05-05 03:00 | 122731 | | |
| 2025-05-05 02:00 | 121181 | | |
| 2025-05-05 01:00 | 119669 | | |
| 2025-05-05 00:00 | 119412 | | |
| 2025-05-04 23:00 | 122350 | | |
| 2025-05-04 22:00 | 125263 | | |
| 2025-05-04 21:00 | 124919 | | |
| 2025-05-04 20:00 | 122619 | | |
| 2025-05-04 19:00 | 119013 | | |
| 2025-05-04 18:00 | 114375 | | |
| 2025-05-04 17:00 | 111506 | | |
| 2025-05-04 16:00 | 111075 | | |
| 2025-05-04 15:00 | 110338 | | |
| 2025-05-04 14:00 | 108150 | | |
| 2025-05-04 13:00 | 106612 | | |
| 2025-05-04 12:00 | 107688 | | |
| 2025-05-04 11:00 | 110200 | | |
| 2025-05-04 10:00 | 112200 | | |
| 2025-05-04 09:00 | 114550 | | |
| 2025-05-04 08:00 | 119013 | | |
| 2025-05-04 07:00 | 124044 | | |
| 2025-05-04 06:00 | 125681 | | |
| 2025-05-04 05:00 | 123031 | | |
| 2025-05-04 04:00 | 118487 | | |
| 2025-05-04 03:00 | 112844 | | |
| 2025-05-04 02:00 | 106875 | | |
| 2025-05-04 01:00 | 105244 | | |
| 2025-05-04 00:00 | 110681 | | |
| 2025-05-03 23:00 | 118519 | | |
| 2025-05-03 22:00 | 122888 | | |
| 2025-05-03 21:00 | 122619 | | |
| 2025-05-03 20:00 | 118756 | | |
| 2025-05-03 19:00 | 112044 | | |
| 2025-05-03 18:00 | 104300 | | |
| 2025-05-03 17:00 | 98381 | | |
| 2025-05-03 16:00 | 95694 | | |
| 2025-05-03 15:00 | 95575 | | |
| 2025-05-03 14:00 | 97375 | | |
| 2025-05-03 13:00 | 100644 | | |
| 2025-05-03 12:00 | 104125 | | |
| 2025-05-03 11:00 | 107825 | | |
| 2025-05-03 10:00 | 111350 | | |
| 2025-05-03 09:00 | 111031 | | |
| 2025-05-03 08:00 | 106987 | | |
| 2025-05-03 07:00 | 105644 | | |
| 2025-05-03 06:00 | 108906 | | |
| 2025-05-03 05:00 | 112431 | | |
| 2025-05-03 04:00 | 115013 | | |
| 2025-05-03 03:00 | 118431 | | |
| 2025-05-03 02:00 | 123487 | | |
| 2025-05-03 01:00 | 130231 | | |
| 2025-05-03 00:00 | 135312 | | |
| 2025-05-02 23:00 | 135438 | | |
| 2025-05-02 22:00 | 134175 | | |
| 2025-05-02 21:00 | 136206 | | |
| 2025-05-02 20:00 | 139919 | | |
| 2025-05-02 19:00 | 140688 | | |
| 2025-05-02 18:00 | 137869 | | |
| 2025-05-02 17:00 | 134869 | | |
| 2025-05-02 16:00 | 133456 | | |
| 2025-05-02 15:00 | 132894 | | |
| 2025-05-02 14:00 | 133100 | | |
| 2025-05-02 13:00 | 133644 | | |
| 2025-05-02 12:00 | 134506 | | |
| 2025-05-02 11:00 | 141250 | | |
| 2025-05-02 10:00 | 156456 | | |
| 2025-05-02 09:00 | 168944 | | |
| 2025-05-02 08:00 | 169394 | | |
| 2025-05-02 07:00 | 164662 | | |
| 2025-05-02 06:00 | 163600 | | |
| 2025-05-02 05:00 | 165238 | | |
| 2025-05-02 04:00 | 166419 | | |
| 2025-05-02 03:00 | 167250 | | |
| 2025-05-02 02:00 | 168444 | | |
| 2025-05-02 01:00 | 170219 | | |
| 2025-05-02 00:00 | 168969 | | |
| 2025-05-01 23:00 | 158037 | | |
| 2025-05-01 22:00 | 141500 | | |
| 2025-05-01 21:00 | 131925 | | |
| 2025-05-01 20:00 | 130844 | | |
| 2025-05-01 19:00 | 131281 | | |
| 2025-05-01 18:00 | 131750 | | |
| 2025-05-01 17:00 | 134912 | | |
| 2025-05-01 16:00 | 140306 | | |
| 2025-05-01 15:00 | 144819 | | |
| 2025-05-01 14:00 | 147675 | | |
| 2025-05-01 13:00 | 149156 | | |
| 2025-05-01 12:00 | 147906 | | |
| 2025-05-01 11:00 | 144662 | | |
| 2025-05-01 10:00 | 141706 | | |
| 2025-05-01 09:00 | 138219 | | |
| 2025-05-01 08:00 | 134181 | | |
| 2025-05-01 07:00 | 132006 | | |
| 2025-05-01 06:00 | 131225 | | |
| 2025-05-01 05:00 | 130850 | | |
| 2025-05-01 04:00 | 132387 | | |
| 2025-05-01 03:00 | 135412 | | |
| 2025-05-01 02:00 | 137556 | | |
| 2025-05-01 01:00 | 138300 | | |
| 2025-05-01 00:00 | 138125 | | |
| 2025-04-30 23:00 | 138019 | | |
| 2025-04-30 22:00 | 138925 | | |
| 2025-04-30 21:00 | 139637 | | |
| 2025-04-30 20:00 | 139037 | | |
| 2025-04-30 19:00 | 137450 | | |
| 2025-04-30 18:00 | 135275 | | |
| 2025-04-30 17:00 | 133181 | | |