COLUMBIA--GRAND COULEE DAM (GCDW1)
| Observed |
| Date/Time (PST) | Discharge |
| 2025-11-16 08:00 | 73537 | | |
| 2025-11-16 07:00 | 72100 | | |
| 2025-11-16 06:00 | 72763 | | |
| 2025-11-16 05:00 | 73825 | | |
| 2025-11-16 04:00 | 73831 | | |
| 2025-11-16 03:00 | 72375 | | |
| 2025-11-16 02:00 | 70319 | | |
| 2025-11-16 01:00 | 68456 | | |
| 2025-11-16 00:00 | 67588 | | |
| 2025-11-15 23:00 | 69169 | | |
| 2025-11-15 22:00 | 74031 | | |
| 2025-11-15 21:00 | 81625 | | |
| 2025-11-15 20:00 | 90144 | | |
| 2025-11-15 19:00 | 97275 | | |
| 2025-11-15 18:00 | 101469 | | |
| 2025-11-15 17:00 | 101919 | | |
| 2025-11-15 16:00 | 97812 | | |
| 2025-11-15 15:00 | 89862 | | |
| 2025-11-15 14:00 | 82369 | | |
| 2025-11-15 13:00 | 79056 | | |
| 2025-11-15 12:00 | 77700 | | |
| 2025-11-15 11:00 | 73775 | | |
| 2025-11-15 10:00 | 67006 | | |
| 2025-11-15 09:00 | 60587 | | |
| 2025-11-15 08:00 | 56619 | | |
| 2025-11-15 07:00 | 54375 | | |
| 2025-11-15 06:00 | 52356 | | |
| 2025-11-15 05:00 | 50663 | | |
| 2025-11-15 04:00 | 49969 | | |
| 2025-11-15 03:00 | 50344 | | |
| 2025-11-15 02:00 | 51306 | | |
| 2025-11-15 01:00 | 51981 | | |
| 2025-11-15 00:00 | 52938 | | |
| 2025-11-14 23:00 | 56087 | | |
| 2025-11-14 22:00 | 61444 | | |
| 2025-11-14 21:00 | 68206 | | |
| 2025-11-14 20:00 | 77237 | | |
| 2025-11-14 19:00 | 87056 | | |
| 2025-11-14 18:00 | 93562 | | |
| 2025-11-14 17:00 | 95581 | | |
| 2025-11-14 16:00 | 93963 | | |
| 2025-11-14 15:00 | 89394 | | |
| 2025-11-14 14:00 | 84331 | | |
| 2025-11-14 13:00 | 81287 | | |
| 2025-11-14 12:00 | 79562 | | |
| 2025-11-14 11:00 | 78019 | | |
| 2025-11-14 10:00 | 77856 | | |
| 2025-11-14 09:00 | 79362 | | |
| 2025-11-14 08:00 | 79119 | | |
| 2025-11-14 07:00 | 72894 | | |
| 2025-11-14 06:00 | 61894 | | |
| 2025-11-14 05:00 | 52562 | | |
| 2025-11-14 04:00 | 47900 | | |
| 2025-11-14 03:00 | 45581 | | |
| 2025-11-14 02:00 | 44025 | | |
| 2025-11-14 01:00 | 43788 | | |
| 2025-11-14 00:00 | 45106 | | |
| 2025-11-13 23:00 | 46906 | | |
| 2025-11-13 22:00 | 49369 | | |
| 2025-11-13 21:00 | 55081 | | |
| 2025-11-13 20:00 | 64756 | | |
| 2025-11-13 19:00 | 76787 | | |
| 2025-11-13 18:00 | 89325 | | |
| 2025-11-13 17:00 | 99275 | | |
| 2025-11-13 16:00 | 105081 | | |
| 2025-11-13 15:00 | 109287 | | |
| 2025-11-13 14:00 | 113062 | | |
| 2025-11-13 13:00 | 113119 | | |
| 2025-11-13 12:00 | 108325 | | |
| 2025-11-13 11:00 | 102188 | | |
| 2025-11-13 10:00 | 97713 | | |
| 2025-11-13 09:00 | 95525 | | |
| 2025-11-13 08:00 | 92369 | | |
| 2025-11-13 07:00 | 82225 | | |
| 2025-11-13 06:00 | 65131 | | |
| 2025-11-13 05:00 | 48969 | | |
| 2025-11-13 04:00 | 40056 | | |
| 2025-11-13 03:00 | 38062 | | |
| 2025-11-13 02:00 | 39419 | | |
| 2025-11-13 01:00 | 42019 | | |
| 2025-11-13 00:00 | 46650 | | |
| 2025-11-12 23:00 | 54250 | | |
| 2025-11-12 22:00 | 63925 | | |
| 2025-11-12 21:00 | 74231 | | |
| 2025-11-12 20:00 | 84131 | | |
| 2025-11-12 19:00 | 92250 | | |
| 2025-11-12 18:00 | 96406 | | |
| 2025-11-12 17:00 | 96819 | | |
| 2025-11-12 16:00 | 97006 | | |
| 2025-11-12 15:00 | 98544 | | |
| 2025-11-12 14:00 | 99656 | | |
| 2025-11-12 13:00 | 98794 | | |
| 2025-11-12 12:00 | 96756 | | |
| 2025-11-12 11:00 | 96300 | | |
| 2025-11-12 10:00 | 100456 | | |
| 2025-11-12 09:00 | 108075 | | |
| 2025-11-12 08:00 | 110356 | | |
| 2025-11-12 07:00 | 99825 | | |
| 2025-11-12 06:00 | 80638 | | |
| 2025-11-12 05:00 | 62350 | | |
| 2025-11-12 04:00 | 50250 | | |
| 2025-11-12 03:00 | 45025 | | |
| 2025-11-12 02:00 | 45219 | | |
| 2025-11-12 01:00 | 49081 | | |
| 2025-11-12 00:00 | 56031 | | |
| 2025-11-11 23:00 | 66037 | | |
| 2025-11-11 22:00 | 78487 | | |
| 2025-11-11 21:00 | 90831 | | |
| 2025-11-11 20:00 | 98931 | | |
| 2025-11-11 19:00 | 101856 | | |
| 2025-11-11 18:00 | 102138 | | |
| 2025-11-11 17:00 | 101575 | | |
| 2025-11-11 16:00 | 100819 | | |
| 2025-11-11 15:00 | 99675 | | |
| 2025-11-11 14:00 | 98206 | | |
| 2025-11-11 13:00 | 97650 | | |
| 2025-11-11 12:00 | 98219 | | |
| 2025-11-11 11:00 | 98475 | | |
| 2025-11-11 10:00 | 97769 | | |
| 2025-11-11 09:00 | 95875 | | |
| 2025-11-11 08:00 | 88900 | | |
| 2025-11-11 07:00 | 72775 | | |
| 2025-11-11 06:00 | 52663 | | |
| 2025-11-11 05:00 | 38250 | | |
| 2025-11-11 04:00 | 31781 | | |
| 2025-11-11 03:00 | 30031 | | |
| 2025-11-11 02:00 | 31087 | | |
| 2025-11-11 01:00 | 34031 | | |
| 2025-11-11 00:00 | 37819 | | |
| 2025-11-10 23:00 | 42575 | | |
| 2025-11-10 22:00 | 49337 | | |
| 2025-11-10 21:00 | 58163 | | |
| 2025-11-10 20:00 | 68706 | | |
| 2025-11-10 19:00 | 80431 | | |
| 2025-11-10 18:00 | 89669 | | |
| 2025-11-10 17:00 | 91431 | | |
| 2025-11-10 16:00 | 86631 | | |
| 2025-11-10 15:00 | 82463 | | |
| 2025-11-10 14:00 | 82406 | | |
| 2025-11-10 13:00 | 81669 | | |
| 2025-11-10 12:00 | 77625 | | |
| 2025-11-10 11:00 | 75000 | | |
| 2025-11-10 10:00 | 76969 | | |
| 2025-11-10 09:00 | 81394 | | |
| 2025-11-10 08:00 | 84031 | | |
| 2025-11-10 07:00 | 80294 | | |
| 2025-11-10 06:00 | 69406 | | |
| 2025-11-10 05:00 | 57350 | | |
| 2025-11-10 04:00 | 50675 | | |
| 2025-11-10 03:00 | 49913 | | |
| 2025-11-10 02:00 | 51712 | | |
| 2025-11-10 01:00 | 53850 | | |
| 2025-11-10 00:00 | 56237 | | |
| 2025-11-09 23:00 | 58531 | | |
| 2025-11-09 22:00 | 61269 | | |
| 2025-11-09 21:00 | 67600 | | |
| 2025-11-09 20:00 | 78138 | | |
| 2025-11-09 19:00 | 88825 | | |
| 2025-11-09 18:00 | 94713 | | |
| 2025-11-09 17:00 | 91787 | | |
| 2025-11-09 16:00 | 79644 | | |
| 2025-11-09 15:00 | 64325 | | |
| 2025-11-09 14:00 | 54606 | | |
| 2025-11-09 13:00 | 54056 | | |
| 2025-11-09 12:00 | 59444 | | |
| 2025-11-09 11:00 | 65794 | | |
| 2025-11-09 10:00 | 69275 | | |
| 2025-11-09 09:00 | 69956 | | |
| 2025-11-09 08:00 | 72075 | | |
| 2025-11-09 07:00 | 76169 | | |
| 2025-11-09 06:00 | 77019 | | |
| 2025-11-09 05:00 | 72819 | | |
| 2025-11-09 04:00 | 67925 | | |
| 2025-11-09 03:00 | 65688 | | |
| 2025-11-09 02:00 | 66119 | | |
| 2025-11-09 01:00 | 69200 | | |
| 2025-11-09 00:00 | 75081 | | |
| 2025-11-08 23:00 | 82556 | | |
| 2025-11-08 22:00 | 88750 | | |
| 2025-11-08 21:00 | 91144 | | |
| 2025-11-08 20:00 | 91281 | | |
| 2025-11-08 19:00 | 92606 | | |
| 2025-11-08 18:00 | 93688 | | |
| 2025-11-08 17:00 | 88787 | | |
| 2025-11-08 16:00 | 76850 | | |
| 2025-11-08 15:00 | 65794 | | |
| 2025-11-08 14:00 | 63581 | | |
| 2025-11-08 13:00 | 68900 | | |
| 2025-11-08 12:00 | 75575 | | |
| 2025-11-08 11:00 | 80763 | | |
| 2025-11-08 10:00 | 84556 | | |
| 2025-11-08 09:00 | 86894 | | |
| 2025-11-08 08:00 | 87300 | | |
| 2025-11-08 07:00 | 84819 | | |
| 2025-11-08 06:00 | 79381 | | |
| 2025-11-08 05:00 | 72975 | | |
| 2025-11-08 04:00 | 68306 | | |
| 2025-11-08 03:00 | 67819 | | |
| 2025-11-08 02:00 | 72069 | | |
| 2025-11-08 01:00 | 79525 | | |
| 2025-11-08 00:00 | 87963 | | |
| 2025-11-07 23:00 | 93713 | | |
| 2025-11-07 22:00 | 93662 | | |
| 2025-11-07 21:00 | 90275 | | |
| 2025-11-07 20:00 | 89494 | | |
| 2025-11-07 19:00 | 91812 | | |
| 2025-11-07 18:00 | 91906 | | |
| 2025-11-07 17:00 | 87006 | | |
| 2025-11-07 16:00 | 78938 | | |
| 2025-11-07 15:00 | 71531 | | |
| 2025-11-07 14:00 | 67881 | | |
| 2025-11-07 13:00 | 67194 | | |
| 2025-11-07 12:00 | 67938 | | |
| 2025-11-07 11:00 | 71287 | | |
| 2025-11-07 10:00 | 76612 | | |
| 2025-11-07 09:00 | 80025 | | |
| 2025-11-07 08:00 | 79006 | | |
| 2025-11-07 07:00 | 71831 | | |
| 2025-11-07 06:00 | 58369 | | |
| 2025-11-07 05:00 | 44844 | | |
| 2025-11-07 04:00 | 36919 | | |
| 2025-11-07 03:00 | 33206 | | |
| 2025-11-07 02:00 | 31681 | | |
| 2025-11-07 01:00 | 31975 | | |
| 2025-11-07 00:00 | 33938 | | |
| 2025-11-06 23:00 | 40344 | | |
| 2025-11-06 22:00 | 53250 | | |
| 2025-11-06 21:00 | 68831 | | |
| 2025-11-06 20:00 | 82919 | | |
| 2025-11-06 19:00 | 94500 | | |
| 2025-11-06 18:00 | 101731 | | |
| 2025-11-06 17:00 | 102381 | | |
| 2025-11-06 16:00 | 96888 | | |
| 2025-11-06 15:00 | 89169 | | |
| 2025-11-06 14:00 | 84075 | | |
| 2025-11-06 13:00 | 82237 | | |
| 2025-11-06 12:00 | 81463 | | |
| 2025-11-06 11:00 | 82500 | | |
| 2025-11-06 10:00 | 87925 | | |
| 2025-11-06 09:00 | 95700 | | |
| 2025-11-06 08:00 | 97669 | | |
| 2025-11-06 07:00 | 86975 | | |
| 2025-11-06 06:00 | 67112 | | |
| 2025-11-06 05:00 | 49650 | | |
| 2025-11-06 04:00 | 40606 | | |
| 2025-11-06 03:00 | 36856 | | |
| 2025-11-06 02:00 | 35694 | | |
| 2025-11-06 01:00 | 38150 | | |
| 2025-11-06 00:00 | 45019 | | |
| 2025-11-05 23:00 | 54056 | | |
| 2025-11-05 22:00 | 61925 | | |
| 2025-11-05 21:00 | 67975 | | |
| 2025-11-05 20:00 | 73950 | | |
| 2025-11-05 19:00 | 81050 | | |
| 2025-11-05 18:00 | 87394 | | |
| 2025-11-05 17:00 | 90325 | | |
| 2025-11-05 16:00 | 89987 | | |