COLUMBIA--GRAND COULEE DAM (GCDW1)
| Observed |
| Date/Time (PST) | Discharge |
| 2024-12-12 13:00 | 124463 | | |
| 2024-12-12 12:00 | 126769 | | |
| 2024-12-12 11:00 | 128081 | | |
| 2024-12-12 10:00 | 129956 | | |
| 2024-12-12 09:00 | 133912 | | |
| 2024-12-12 08:00 | 133544 | | |
| 2024-12-12 07:00 | 120162 | | |
| 2024-12-12 06:00 | 97562 | | |
| 2024-12-12 05:00 | 77975 | | |
| 2024-12-12 04:00 | 66325 | | |
| 2024-12-12 03:00 | 62119 | | |
| 2024-12-12 02:00 | 64688 | | |
| 2024-12-12 01:00 | 70831 | | |
| 2024-12-12 00:00 | 79131 | | |
| 2024-12-11 23:00 | 91069 | | |
| 2024-12-11 22:00 | 105237 | | |
| 2024-12-11 21:00 | 117269 | | |
| 2024-12-11 20:00 | 124481 | | |
| 2024-12-11 19:00 | 127950 | | |
| 2024-12-11 18:00 | 127969 | | |
| 2024-12-11 17:00 | 122981 | | |
| 2024-12-11 16:00 | 115144 | | |
| 2024-12-11 15:00 | 109425 | | |
| 2024-12-11 14:00 | 108931 | | |
| 2024-12-11 13:00 | 113125 | | |
| 2024-12-11 12:00 | 118481 | | |
| 2024-12-11 11:00 | 123338 | | |
| 2024-12-11 10:00 | 129769 | | |
| 2024-12-11 09:00 | 136938 | | |
| 2024-12-11 08:00 | 136287 | | |
| 2024-12-11 07:00 | 119656 | | |
| 2024-12-11 06:00 | 92844 | | |
| 2024-12-11 05:00 | 70856 | | |
| 2024-12-11 04:00 | 59669 | | |
| 2024-12-11 03:00 | 54794 | | |
| 2024-12-11 02:00 | 51931 | | |
| 2024-12-11 01:00 | 51219 | | |
| 2024-12-11 00:00 | 56319 | | |
| 2024-12-10 23:00 | 69375 | | |
| 2024-12-10 22:00 | 86138 | | |
| 2024-12-10 21:00 | 99994 | | |
| 2024-12-10 20:00 | 108625 | | |
| 2024-12-10 19:00 | 113481 | | |
| 2024-12-10 18:00 | 116281 | | |
| 2024-12-10 17:00 | 116994 | | |
| 2024-12-10 16:00 | 115375 | | |
| 2024-12-10 15:00 | 115094 | | |
| 2024-12-10 14:00 | 120119 | | |
| 2024-12-10 13:00 | 127806 | | |
| 2024-12-10 12:00 | 132106 | | |
| 2024-12-10 11:00 | 131169 | | |
| 2024-12-10 10:00 | 130744 | | |
| 2024-12-10 09:00 | 136750 | | |
| 2024-12-10 08:00 | 141156 | | |
| 2024-12-10 07:00 | 129619 | | |
| 2024-12-10 06:00 | 105056 | | |
| 2024-12-10 05:00 | 84081 | | |
| 2024-12-10 04:00 | 74056 | | |
| 2024-12-10 03:00 | 71194 | | |
| 2024-12-10 02:00 | 73369 | | |
| 2024-12-10 01:00 | 81506 | | |
| 2024-12-10 00:00 | 94425 | | |
| 2024-12-09 23:00 | 109513 | | |
| 2024-12-09 22:00 | 124419 | | |
| 2024-12-09 21:00 | 136325 | | |
| 2024-12-09 20:00 | 142556 | | |
| 2024-12-09 19:00 | 140900 | | |
| 2024-12-09 18:00 | 130037 | | |
| 2024-12-09 17:00 | 112469 | | |
| 2024-12-09 16:00 | 94756 | | |
| 2024-12-09 15:00 | 83600 | | |
| 2024-12-09 14:00 | 81750 | | |
| 2024-12-09 13:00 | 86594 | | |
| 2024-12-09 12:00 | 94206 | | |
| 2024-12-09 11:00 | 102775 | | |
| 2024-12-09 10:00 | 110556 | | |
| 2024-12-09 09:00 | 115419 | | |
| 2024-12-09 08:00 | 115138 | | |
| 2024-12-09 07:00 | 107406 | | |
| 2024-12-09 06:00 | 93469 | | |
| 2024-12-09 05:00 | 78681 | | |
| 2024-12-09 04:00 | 68044 | | |
| 2024-12-09 03:00 | 63038 | | |
| 2024-12-09 02:00 | 62206 | | |
| 2024-12-09 01:00 | 63994 | | |
| 2024-12-09 00:00 | 67475 | | |
| 2024-12-08 23:00 | 71119 | | |
| 2024-12-08 22:00 | 73575 | | |
| 2024-12-08 21:00 | 75475 | | |
| 2024-12-08 20:00 | 78625 | | |
| 2024-12-08 19:00 | 83169 | | |
| 2024-12-08 18:00 | 86994 | | |
| 2024-12-08 17:00 | 88231 | | |
| 2024-12-08 16:00 | 87244 | | |
| 2024-12-08 15:00 | 86000 | | |
| 2024-12-08 14:00 | 85688 | | |
| 2024-12-08 13:00 | 85662 | | |
| 2024-12-08 12:00 | 84919 | | |
| 2024-12-08 11:00 | 83213 | | |
| 2024-12-08 10:00 | 81569 | | |
| 2024-12-08 09:00 | 81612 | | |
| 2024-12-08 08:00 | 82725 | | |
| 2024-12-08 07:00 | 81731 | | |
| 2024-12-08 06:00 | 76981 | | |
| 2024-12-08 05:00 | 71406 | | |
| 2024-12-08 04:00 | 68856 | | |
| 2024-12-08 03:00 | 69094 | | |
| 2024-12-08 02:00 | 69025 | | |
| 2024-12-08 01:00 | 65987 | | |
| 2024-12-08 00:00 | 62150 | | |
| 2024-12-07 23:00 | 63900 | | |
| 2024-12-07 22:00 | 71438 | | |
| 2024-12-07 21:00 | 77956 | | |
| 2024-12-07 20:00 | 80694 | | |
| 2024-12-07 19:00 | 83125 | | |
| 2024-12-07 18:00 | 87275 | | |
| 2024-12-07 17:00 | 90819 | | |
| 2024-12-07 16:00 | 92338 | | |
| 2024-12-07 15:00 | 93181 | | |
| 2024-12-07 14:00 | 93787 | | |
| 2024-12-07 13:00 | 92806 | | |
| 2024-12-07 12:00 | 89562 | | |
| 2024-12-07 11:00 | 85838 | | |
| 2024-12-07 10:00 | 84162 | | |
| 2024-12-07 09:00 | 85112 | | |
| 2024-12-07 08:00 | 86919 | | |
| 2024-12-07 07:00 | 86906 | | |
| 2024-12-07 06:00 | 84487 | | |
| 2024-12-07 05:00 | 81294 | | |
| 2024-12-07 04:00 | 78456 | | |
| 2024-12-07 03:00 | 76894 | | |
| 2024-12-07 02:00 | 78025 | | |
| 2024-12-07 01:00 | 81650 | | |
| 2024-12-07 00:00 | 85181 | | |
| 2024-12-06 23:00 | 87737 | | |
| 2024-12-06 22:00 | 91581 | | |
| 2024-12-06 21:00 | 97206 | | |
| 2024-12-06 20:00 | 102981 | | |
| 2024-12-06 19:00 | 107812 | | |
| 2024-12-06 18:00 | 110119 | | |
| 2024-12-06 17:00 | 109369 | | |
| 2024-12-06 16:00 | 107581 | | |
| 2024-12-06 15:00 | 106925 | | |
| 2024-12-06 14:00 | 109250 | | |
| 2024-12-06 13:00 | 114850 | | |
| 2024-12-06 12:00 | 120206 | | |
| 2024-12-06 11:00 | 121694 | | |
| 2024-12-06 10:00 | 120412 | | |
| 2024-12-06 09:00 | 119756 | | |
| 2024-12-06 08:00 | 119763 | | |
| 2024-12-06 07:00 | 117450 | | |
| 2024-12-06 06:00 | 111975 | | |
| 2024-12-06 05:00 | 105862 | | |
| 2024-12-06 04:00 | 101531 | | |
| 2024-12-06 03:00 | 99400 | | |
| 2024-12-06 02:00 | 97456 | | |
| 2024-12-06 01:00 | 93100 | | |
| 2024-12-06 00:00 | 89569 | | |
| 2024-12-05 23:00 | 92781 | | |
| 2024-12-05 22:00 | 101513 | | |
| 2024-12-05 21:00 | 111294 | | |
| 2024-12-05 20:00 | 119694 | | |
| 2024-12-05 19:00 | 124438 | | |
| 2024-12-05 18:00 | 123412 | | |
| 2024-12-05 17:00 | 114381 | | |
| 2024-12-05 16:00 | 99688 | | |
| 2024-12-05 15:00 | 89081 | | |
| 2024-12-05 14:00 | 88644 | | |
| 2024-12-05 13:00 | 94869 | | |
| 2024-12-05 12:00 | 101925 | | |
| 2024-12-05 11:00 | 106619 | | |
| 2024-12-05 10:00 | 108875 | | |
| 2024-12-05 09:00 | 112494 | | |
| 2024-12-05 08:00 | 119075 | | |
| 2024-12-05 07:00 | 120694 | | |
| 2024-12-05 06:00 | 111156 | | |
| 2024-12-05 05:00 | 96419 | | |
| 2024-12-05 04:00 | 83781 | | |
| 2024-12-05 03:00 | 75369 | | |
| 2024-12-05 02:00 | 72463 | | |
| 2024-12-05 01:00 | 74944 | | |
| 2024-12-05 00:00 | 80719 | | |
| 2024-12-04 23:00 | 89850 | | |
| 2024-12-04 22:00 | 102787 | | |
| 2024-12-04 21:00 | 115700 | | |
| 2024-12-04 20:00 | 125000 | | |
| 2024-12-04 19:00 | 129400 | | |
| 2024-12-04 18:00 | 125237 | | |
| 2024-12-04 17:00 | 110644 | | |
| 2024-12-04 16:00 | 93312 | | |
| 2024-12-04 15:00 | 84931 | | |
| 2024-12-04 14:00 | 88494 | | |
| 2024-12-04 13:00 | 98569 | | |
| 2024-12-04 12:00 | 110594 | | |
| 2024-12-04 11:00 | 120875 | | |
| 2024-12-04 10:00 | 124581 | | |
| 2024-12-04 09:00 | 122400 | | |
| 2024-12-04 08:00 | 119469 | | |
| 2024-12-04 07:00 | 115006 | | |
| 2024-12-04 06:00 | 105588 | | |
| 2024-12-04 05:00 | 93838 | | |
| 2024-12-04 04:00 | 83806 | | |
| 2024-12-04 03:00 | 76250 | | |
| 2024-12-04 02:00 | 71806 | | |
| 2024-12-04 01:00 | 72100 | | |
| 2024-12-04 00:00 | 77463 | | |
| 2024-12-03 23:00 | 86119 | | |
| 2024-12-03 22:00 | 95225 | | |
| 2024-12-03 21:00 | 102900 | | |
| 2024-12-03 20:00 | 109306 | | |
| 2024-12-03 19:00 | 113344 | | |
| 2024-12-03 18:00 | 110213 | | |
| 2024-12-03 17:00 | 97575 | | |
| 2024-12-03 16:00 | 81625 | | |
| 2024-12-03 15:00 | 71787 | | |
| 2024-12-03 14:00 | 72619 | | |
| 2024-12-03 13:00 | 82950 | | |
| 2024-12-03 12:00 | 97731 | | |
| 2024-12-03 11:00 | 110638 | | |
| 2024-12-03 10:00 | 118406 | | |
| 2024-12-03 09:00 | 121987 | | |
| 2024-12-03 08:00 | 122787 | | |
| 2024-12-03 07:00 | 119062 | | |
| 2024-12-03 06:00 | 108444 | | |
| 2024-12-03 05:00 | 93300 | | |
| 2024-12-03 04:00 | 80338 | | |
| 2024-12-03 03:00 | 74600 | | |
| 2024-12-03 02:00 | 74619 | | |
| 2024-12-03 01:00 | 75119 | | |
| 2024-12-03 00:00 | 74144 | | |
| 2024-12-02 23:00 | 73881 | | |
| 2024-12-02 22:00 | 77737 | | |
| 2024-12-02 21:00 | 87900 | | |
| 2024-12-02 20:00 | 100737 | | |
| 2024-12-02 19:00 | 109562 | | |
| 2024-12-02 18:00 | 112125 | | |
| 2024-12-02 17:00 | 109306 | | |
| 2024-12-02 16:00 | 103188 | | |
| 2024-12-02 15:00 | 98688 | | |
| 2024-12-02 14:00 | 99281 | | |
| 2024-12-02 13:00 | 103206 | | |
| 2024-12-02 12:00 | 107719 | | |
| 2024-12-02 11:00 | 111425 | | |
| 2024-12-02 10:00 | 113550 | | |
| 2024-12-02 09:00 | 114713 | | |
| 2024-12-02 08:00 | 114594 | | |
| 2024-12-02 07:00 | 109594 | | |
| 2024-12-02 06:00 | 97281 | | |
| 2024-12-02 05:00 | 81294 | | |
| 2024-12-02 04:00 | 68150 | | |
| 2024-12-02 03:00 | 61494 | | |
| 2024-12-02 02:00 | 60919 | | |
| 2024-12-02 01:00 | 64513 | | |
| 2024-12-02 00:00 | 71081 | | |
| 2024-12-01 23:00 | 79056 | | |
| 2024-12-01 22:00 | 87094 | | |
| 2024-12-01 21:00 | 95906 | | |
| 2024-12-01 20:00 | 105037 | | |
| 2024-12-01 19:00 | 110600 | | |
| 2024-12-01 18:00 | 108987 | | |
| 2024-12-01 17:00 | 100412 | | |
| 2024-12-01 16:00 | 88162 | | |