COLUMBIA--GRAND COULEE DAM (GCDW1)
| Observed |
| Date/Time (PST) | Discharge |
| 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 | | |
| 2025-11-05 15:00 | 88031 | | |
| 2025-11-05 14:00 | 86700 | | |
| 2025-11-05 13:00 | 87506 | | |
| 2025-11-05 12:00 | 88875 | | |
| 2025-11-05 11:00 | 89312 | | |
| 2025-11-05 10:00 | 90594 | | |
| 2025-11-05 09:00 | 94350 | | |
| 2025-11-05 08:00 | 98581 | | |
| 2025-11-05 07:00 | 98150 | | |
| 2025-11-05 06:00 | 89194 | | |
| 2025-11-05 05:00 | 74888 | | |
| 2025-11-05 04:00 | 62950 | | |
| 2025-11-05 03:00 | 56944 | | |
| 2025-11-05 02:00 | 55044 | | |
| 2025-11-05 01:00 | 55125 | | |
| 2025-11-05 00:00 | 57350 | | |
| 2025-11-04 23:00 | 63825 | | |
| 2025-11-04 22:00 | 75388 | | |
| 2025-11-04 21:00 | 89581 | | |
| 2025-11-04 20:00 | 103056 | | |
| 2025-11-04 19:00 | 111638 | | |
| 2025-11-04 18:00 | 110981 | | |
| 2025-11-04 17:00 | 101656 | | |
| 2025-11-04 16:00 | 89069 | | |
| 2025-11-04 15:00 | 79894 | | |
| 2025-11-04 14:00 | 79025 | | |
| 2025-11-04 13:00 | 84594 | | |
| 2025-11-04 12:00 | 90969 | | |
| 2025-11-04 11:00 | 98513 | | |
| 2025-11-04 10:00 | 111312 | | |
| 2025-11-04 09:00 | 125013 | | |
| 2025-11-04 08:00 | 128000 | | |
| 2025-11-04 07:00 | 117237 | | |
| 2025-11-04 06:00 | 101794 | | |
| 2025-11-04 05:00 | 89169 | | |
| 2025-11-04 04:00 | 79144 | | |
| 2025-11-04 03:00 | 70856 | | |
| 2025-11-04 02:00 | 66575 | | |
| 2025-11-04 01:00 | 67931 | | |
| 2025-11-04 00:00 | 73481 | | |
| 2025-11-03 23:00 | 80075 | | |
| 2025-11-03 22:00 | 86431 | | |
| 2025-11-03 21:00 | 95281 | | |
| 2025-11-03 20:00 | 107819 | | |
| 2025-11-03 19:00 | 119250 | | |
| 2025-11-03 18:00 | 123537 | | |
| 2025-11-03 17:00 | 119819 | | |
| 2025-11-03 16:00 | 112881 | | |
| 2025-11-03 15:00 | 107650 | | |
| 2025-11-03 14:00 | 105787 | | |
| 2025-11-03 13:00 | 106438 | | |
| 2025-11-03 12:00 | 107662 | | |
| 2025-11-03 11:00 | 106794 | | |
| 2025-11-03 10:00 | 103031 | | |
| 2025-11-03 09:00 | 100963 | | |
| 2025-11-03 08:00 | 103700 | | |
| 2025-11-03 07:00 | 106325 | | |
| 2025-11-03 06:00 | 101881 | | |
| 2025-11-03 05:00 | 89506 | | |
| 2025-11-03 04:00 | 76169 | | |
| 2025-11-03 03:00 | 69019 | | |
| 2025-11-03 02:00 | 67919 | | |
| 2025-11-03 01:00 | 68875 | | |
| 2025-11-03 00:00 | 70350 | | |
| 2025-11-02 23:00 | 74181 | | |
| 2025-11-02 22:00 | 82537 | | |
| 2025-11-02 21:00 | 94812 | | |
| 2025-11-02 20:00 | 107250 | | |
| 2025-11-02 19:00 | 115706 | | |
| 2025-11-02 18:00 | 116825 | | |
| 2025-11-02 17:00 | 107756 | | |
| 2025-11-02 16:00 | 91094 | | |
| 2025-11-02 15:00 | 76481 | | |
| 2025-11-02 14:00 | 70537 | | |
| 2025-11-02 13:00 | 70656 | | |
| 2025-11-02 12:00 | 72487 | | |
| 2025-11-02 11:00 | 75481 | | |
| 2025-11-02 10:00 | 78838 | | |
| 2025-11-02 09:00 | 80106 | | |
| 2025-11-02 08:00 | 78644 | | |
| 2025-11-02 07:00 | 75750 | | |
| 2025-11-02 06:00 | 71325 | | |
| 2025-11-02 05:00 | 64219 | | |
| 2025-11-02 04:00 | 56900 | | |
| 2025-11-02 03:00 | 53500 | | |
| 2025-11-02 02:00 | 53925 | | |
| 2025-11-02 01:00 | 56688 | | |
| 2025-11-02 01:00 | 62656 | | |
| 2025-11-02 00:00 | 72112 | | |
| 2025-11-01 23:00 | 82475 | | |
| 2025-11-01 22:00 | 89900 | | |
| 2025-11-01 21:00 | 93375 | | |
| 2025-11-01 20:00 | 95475 | | |
| 2025-11-01 19:00 | 96356 | | |
| 2025-11-01 18:00 | 91394 | | |
| 2025-11-01 16:00 | 78731 | | |
| 2025-11-01 15:00 | 65444 | | |
| 2025-11-01 14:00 | 60369 | | |
| 2025-11-01 13:00 | 65106 | | |
| 2025-11-01 12:00 | 76331 | | |
| 2025-11-01 11:00 | 87375 | | |
| 2025-11-01 10:00 | 91000 | | |
| 2025-11-01 09:00 | 88963 | | |
| 2025-11-01 08:00 | 87606 | | |
| 2025-11-01 07:00 | 85700 | | |
| 2025-11-01 06:00 | 79500 | | |
| 2025-11-01 05:00 | 71888 | | |
| 2025-11-01 04:00 | 67513 | | |
| 2025-11-01 03:00 | 67019 | | |
| 2025-11-01 02:00 | 69106 | | |
| 2025-11-01 01:00 | 70750 | | |
| 2025-11-01 00:00 | 67694 | | |
| 2025-10-31 23:00 | 61675 | | |
| 2025-10-31 22:00 | 59587 | | |
| 2025-10-31 21:00 | 62900 | | |
| 2025-10-31 20:00 | 69000 | | |
| 2025-10-31 19:00 | 77519 | | |
| 2025-10-31 18:00 | 85213 | | |
| 2025-10-31 17:00 | 84987 | | |
| 2025-10-31 16:00 | 76544 | | |
| 2025-10-31 15:00 | 67894 | | |
| 2025-10-31 14:00 | 65225 | | |
| 2025-10-31 13:00 | 69300 | | |
| 2025-10-31 12:00 | 78406 | | |
| 2025-10-31 11:00 | 90219 | | |
| 2025-10-31 10:00 | 102237 | | |
| 2025-10-31 09:00 | 112019 | | |
| 2025-10-31 08:00 | 118519 | | |
| 2025-10-31 07:00 | 118362 | | |
| 2025-10-31 06:00 | 105906 | | |
| 2025-10-31 05:00 | 86294 | | |
| 2025-10-31 04:00 | 72756 | | |
| 2025-10-31 03:00 | 68731 | | |
| 2025-10-31 02:00 | 69194 | | |
| 2025-10-31 01:00 | 71344 | | |
| 2025-10-31 00:00 | 74700 | | |
| 2025-10-30 23:00 | 77556 | | |
| 2025-10-30 22:00 | 77344 | | |
| 2025-10-30 21:00 | 74612 | | |
| 2025-10-30 20:00 | 72925 | | |
| 2025-10-30 19:00 | 73444 | | |
| 2025-10-30 18:00 | 73862 | | |
| 2025-10-30 17:00 | 71175 | | |
| 2025-10-30 16:00 | 64575 | | |