COLUMBIA--WANAPUM DAM (WANW1)
| Observed |
| Date/Time (PDT) | Discharge |
| 2025-06-30 15:00 | 93175 | | |
| 2025-06-30 14:00 | 78481 | | |
| 2025-06-30 13:00 | 68062 | | |
| 2025-06-30 12:00 | 63769 | | |
| 2025-06-30 11:00 | 65631 | | |
| 2025-06-30 10:00 | 69481 | | |
| 2025-06-30 09:00 | 69050 | | |
| 2025-06-30 08:00 | 64787 | | |
| 2025-06-30 07:00 | 64494 | | |
| 2025-06-30 06:00 | 70881 | | |
| 2025-06-30 05:00 | 77994 | | |
| 2025-06-30 04:00 | 83031 | | |
| 2025-06-30 03:00 | 88725 | | |
| 2025-06-30 02:00 | 95575 | | |
| 2025-06-30 01:00 | 102381 | | |
| 2025-06-30 00:00 | 109713 | | |
| 2025-06-29 23:00 | 118638 | | |
| 2025-06-29 22:00 | 127338 | | |
| 2025-06-29 21:00 | 131156 | | |
| 2025-06-29 20:00 | 128363 | | |
| 2025-06-29 19:00 | 122725 | | |
| 2025-06-29 18:00 | 119094 | | |
| 2025-06-29 17:00 | 116950 | | |
| 2025-06-29 16:00 | 110831 | | |
| 2025-06-29 15:00 | 99925 | | |
| 2025-06-29 14:00 | 89819 | | |
| 2025-06-29 13:00 | 83725 | | |
| 2025-06-29 12:00 | 80925 | | |
| 2025-06-29 11:00 | 80062 | | |
| 2025-06-29 10:00 | 78919 | | |
| 2025-06-29 09:00 | 77731 | | |
| 2025-06-29 08:00 | 81575 | | |
| 2025-06-29 07:00 | 92300 | | |
| 2025-06-29 06:00 | 103069 | | |
| 2025-06-29 05:00 | 107750 | | |
| 2025-06-29 04:00 | 108494 | | |
| 2025-06-29 03:00 | 108444 | | |
| 2025-06-29 02:00 | 108775 | | |
| 2025-06-29 01:00 | 113612 | | |
| 2025-06-29 00:00 | 122688 | | |
| 2025-06-28 23:00 | 127888 | | |
| 2025-06-28 22:00 | 128644 | | |
| 2025-06-28 21:00 | 133275 | | |
| 2025-06-28 20:00 | 141156 | | |
| 2025-06-28 19:00 | 139900 | | |
| 2025-06-28 18:00 | 120344 | | |
| 2025-06-28 17:00 | 88481 | | |
| 2025-06-28 16:00 | 61256 | | |
| 2025-06-28 15:00 | 50456 | | |
| 2025-06-28 14:00 | 56056 | | |
| 2025-06-28 13:00 | 69987 | | |
| 2025-06-28 12:00 | 80000 | | |
| 2025-06-28 11:00 | 80713 | | |
| 2025-06-28 10:00 | 79231 | | |
| 2025-06-28 09:00 | 83850 | | |
| 2025-06-28 08:00 | 95412 | | |
| 2025-06-28 07:00 | 106463 | | |
| 2025-06-28 06:00 | 109438 | | |
| 2025-06-28 05:00 | 107219 | | |
| 2025-06-28 04:00 | 105519 | | |
| 2025-06-28 03:00 | 105138 | | |
| 2025-06-28 02:00 | 106275 | | |
| 2025-06-28 01:00 | 109669 | | |
| 2025-06-28 00:00 | 114975 | | |
| 2025-06-27 23:00 | 120838 | | |
| 2025-06-27 22:00 | 126244 | | |
| 2025-06-27 21:00 | 129537 | | |
| 2025-06-27 20:00 | 128894 | | |
| 2025-06-27 19:00 | 125175 | | |
| 2025-06-27 18:00 | 116938 | | |
| 2025-06-27 17:00 | 100562 | | |
| 2025-06-27 16:00 | 81862 | | |
| 2025-06-27 15:00 | 71450 | | |
| 2025-06-27 14:00 | 69469 | | |
| 2025-06-27 13:00 | 69294 | | |
| 2025-06-27 12:00 | 68006 | | |
| 2025-06-27 11:00 | 67287 | | |
| 2025-06-27 10:00 | 70556 | | |
| 2025-06-27 09:00 | 79119 | | |
| 2025-06-27 08:00 | 90831 | | |
| 2025-06-27 07:00 | 102125 | | |
| 2025-06-27 06:00 | 109894 | | |
| 2025-06-27 05:00 | 114344 | | |
| 2025-06-27 04:00 | 119769 | | |
| 2025-06-27 03:00 | 127463 | | |
| 2025-06-27 02:00 | 131606 | | |
| 2025-06-27 01:00 | 130206 | | |
| 2025-06-27 00:00 | 130100 | | |
| 2025-06-26 23:00 | 134537 | | |
| 2025-06-26 22:00 | 140025 | | |
| 2025-06-26 21:00 | 143531 | | |
| 2025-06-26 20:00 | 142613 | | |
| 2025-06-26 19:00 | 135550 | | |
| 2025-06-26 18:00 | 123050 | | |
| 2025-06-26 17:00 | 106275 | | |
| 2025-06-26 16:00 | 89469 | | |
| 2025-06-26 15:00 | 80931 | | |
| 2025-06-26 14:00 | 81844 | | |
| 2025-06-26 13:00 | 85406 | | |
| 2025-06-26 12:00 | 91688 | | |
| 2025-06-26 11:00 | 104581 | | |
| 2025-06-26 10:00 | 114469 | | |
| 2025-06-26 09:00 | 111438 | | |
| 2025-06-26 08:00 | 108356 | | |
| 2025-06-26 07:00 | 118300 | | |
| 2025-06-26 06:00 | 131300 | | |
| 2025-06-26 05:00 | 135000 | | |
| 2025-06-26 04:00 | 131512 | | |
| 2025-06-26 03:00 | 128287 | | |
| 2025-06-26 02:00 | 127444 | | |
| 2025-06-26 01:00 | 127044 | | |
| 2025-06-26 00:00 | 127338 | | |
| 2025-06-25 23:00 | 131256 | | |
| 2025-06-25 22:00 | 139931 | | |
| 2025-06-25 21:00 | 148394 | | |
| 2025-06-25 20:00 | 149219 | | |
| 2025-06-25 19:00 | 140269 | | |
| 2025-06-25 18:00 | 124875 | | |
| 2025-06-25 17:00 | 108794 | | |
| 2025-06-25 16:00 | 96888 | | |
| 2025-06-25 15:00 | 90125 | | |
| 2025-06-25 14:00 | 86369 | | |
| 2025-06-25 13:00 | 81981 | | |
| 2025-06-25 12:00 | 76912 | | |
| 2025-06-25 11:00 | 76494 | | |
| 2025-06-25 10:00 | 82781 | | |
| 2025-06-25 09:00 | 92088 | | |
| 2025-06-25 08:00 | 101344 | | |
| 2025-06-25 07:00 | 109850 | | |
| 2025-06-25 06:00 | 117125 | | |
| 2025-06-25 05:00 | 121519 | | |
| 2025-06-25 04:00 | 121856 | | |
| 2025-06-25 03:00 | 120875 | | |
| 2025-06-25 02:00 | 122575 | | |
| 2025-06-25 01:00 | 126188 | | |
| 2025-06-25 00:00 | 126675 | | |
| 2025-06-24 23:00 | 121925 | | |
| 2025-06-24 22:00 | 117969 | | |
| 2025-06-24 21:00 | 121081 | | |
| 2025-06-24 20:00 | 127737 | | |
| 2025-06-24 19:00 | 130250 | | |
| 2025-06-24 18:00 | 127300 | | |
| 2025-06-24 17:00 | 123906 | | |
| 2025-06-24 16:00 | 121900 | | |
| 2025-06-24 15:00 | 117862 | | |
| 2025-06-24 14:00 | 112031 | | |
| 2025-06-24 13:00 | 107750 | | |
| 2025-06-24 12:00 | 104750 | | |
| 2025-06-24 11:00 | 101838 | | |
| 2025-06-24 10:00 | 100606 | | |
| 2025-06-24 09:00 | 102537 | | |
| 2025-06-24 08:00 | 108206 | | |
| 2025-06-24 07:00 | 117213 | | |
| 2025-06-24 06:00 | 124919 | | |
| 2025-06-24 05:00 | 126556 | | |
| 2025-06-24 04:00 | 121725 | | |
| 2025-06-24 03:00 | 113737 | | |
| 2025-06-24 02:00 | 112081 | | |
| 2025-06-24 01:00 | 122819 | | |
| 2025-06-24 00:00 | 135950 | | |
| 2025-06-23 23:00 | 140631 | | |
| 2025-06-23 22:00 | 139975 | | |
| 2025-06-23 21:00 | 139206 | | |
| 2025-06-23 20:00 | 137306 | | |
| 2025-06-23 19:00 | 133137 | | |
| 2025-06-23 18:00 | 128875 | | |
| 2025-06-23 17:00 | 124806 | | |
| 2025-06-23 16:00 | 118069 | | |
| 2025-06-23 15:00 | 110856 | | |
| 2025-06-23 14:00 | 107400 | | |
| 2025-06-23 13:00 | 104981 | | |
| 2025-06-23 12:00 | 100438 | | |
| 2025-06-23 11:00 | 96525 | | |
| 2025-06-23 10:00 | 95125 | | |
| 2025-06-23 09:00 | 94519 | | |
| 2025-06-23 08:00 | 96062 | | |
| 2025-06-23 07:00 | 103369 | | |
| 2025-06-23 06:00 | 113987 | | |
| 2025-06-23 05:00 | 119950 | | |
| 2025-06-23 04:00 | 116700 | | |
| 2025-06-23 03:00 | 107188 | | |
| 2025-06-23 02:00 | 98800 | | |
| 2025-06-23 01:00 | 97306 | | |
| 2025-06-23 00:00 | 100537 | | |
| 2025-06-22 23:00 | 102344 | | |
| 2025-06-22 22:00 | 103531 | | |
| 2025-06-22 21:00 | 108862 | | |
| 2025-06-22 20:00 | 115144 | | |
| 2025-06-22 19:00 | 114644 | | |
| 2025-06-22 18:00 | 109019 | | |
| 2025-06-22 17:00 | 105094 | | |
| 2025-06-22 16:00 | 100638 | | |
| 2025-06-22 15:00 | 90494 | | |
| 2025-06-22 14:00 | 79856 | | |
| 2025-06-22 13:00 | 77338 | | |
| 2025-06-22 12:00 | 80894 | | |
| 2025-06-22 11:00 | 84237 | | |
| 2025-06-22 10:00 | 87606 | | |
| 2025-06-22 09:00 | 91750 | | |
| 2025-06-22 08:00 | 96631 | | |
| 2025-06-22 07:00 | 103850 | | |
| 2025-06-22 06:00 | 110463 | | |
| 2025-06-22 05:00 | 112050 | | |
| 2025-06-22 04:00 | 110681 | | |
| 2025-06-22 03:00 | 111506 | | |
| 2025-06-22 02:00 | 115406 | | |
| 2025-06-22 01:00 | 119025 | | |
| 2025-06-22 00:00 | 121344 | | |
| 2025-06-21 23:00 | 125975 | | |
| 2025-06-21 22:00 | 134725 | | |
| 2025-06-21 21:00 | 142062 | | |
| 2025-06-21 20:00 | 136750 | | |
| 2025-06-21 19:00 | 112375 | | |
| 2025-06-21 18:00 | 82013 | | |
| 2025-06-21 17:00 | 66088 | | |
| 2025-06-21 16:00 | 64013 | | |
| 2025-06-21 15:00 | 62419 | | |
| 2025-06-21 14:00 | 57581 | | |
| 2025-06-21 13:00 | 52519 | | |
| 2025-06-21 12:00 | 51163 | | |
| 2025-06-21 11:00 | 57263 | | |
| 2025-06-21 10:00 | 67519 | | |
| 2025-06-21 09:00 | 76425 | | |
| 2025-06-21 08:00 | 85425 | | |
| 2025-06-21 07:00 | 92963 | | |
| 2025-06-21 06:00 | 94725 | | |
| 2025-06-21 05:00 | 97131 | | |
| 2025-06-21 04:00 | 108138 | | |
| 2025-06-21 03:00 | 123456 | | |
| 2025-06-21 02:00 | 132238 | | |
| 2025-06-21 01:00 | 129781 | | |
| 2025-06-21 00:00 | 122256 | | |
| 2025-06-20 23:00 | 119894 | | |
| 2025-06-20 22:00 | 126963 | | |
| 2025-06-20 21:00 | 137800 | | |
| 2025-06-20 20:00 | 142494 | | |
| 2025-06-20 19:00 | 135506 | | |
| 2025-06-20 18:00 | 117050 | | |
| 2025-06-20 17:00 | 92650 | | |
| 2025-06-20 16:00 | 72531 | | |
| 2025-06-20 15:00 | 63531 | | |
| 2025-06-20 14:00 | 64069 | | |
| 2025-06-20 13:00 | 67619 | | |
| 2025-06-20 12:00 | 69556 | | |
| 2025-06-20 11:00 | 72800 | | |
| 2025-06-20 10:00 | 81650 | | |
| 2025-06-20 09:00 | 92531 | | |
| 2025-06-20 08:00 | 100362 | | |
| 2025-06-20 07:00 | 107950 | | |
| 2025-06-20 06:00 | 117181 | | |
| 2025-06-20 05:00 | 122275 | | |
| 2025-06-20 04:00 | 121456 | | |
| 2025-06-20 03:00 | 120319 | | |
| 2025-06-20 02:00 | 121612 | | |
| 2025-06-20 01:00 | 121456 | | |
| 2025-06-20 00:00 | 116713 | | |
| 2025-06-19 23:00 | 113094 | | |
| 2025-06-19 22:00 | 119144 | | |
| 2025-06-19 21:00 | 133400 | | |
| 2025-06-19 20:00 | 145681 | | |
| 2025-06-19 19:00 | 149644 | | |
| 2025-06-19 18:00 | 148137 | | |
| 2025-06-19 17:00 | 146331 | | |