COLUMBIA--GRAND COULEE DAM (GCDW1)
| Observed |
| Date/Time (PST) | Discharge |
| 2026-02-13 04:00 | 117150 | | |
| 2026-02-13 03:00 | 118556 | | |
| 2026-02-13 02:00 | 120125 | | |
| 2026-02-13 01:00 | 122575 | | |
| 2026-02-13 00:00 | 125031 | | |
| 2026-02-12 23:00 | 126175 | | |
| 2026-02-12 22:00 | 125831 | | |
| 2026-02-12 21:00 | 126644 | | |
| 2026-02-12 20:00 | 129694 | | |
| 2026-02-12 19:00 | 131850 | | |
| 2026-02-12 18:00 | 129031 | | |
| 2026-02-12 17:00 | 118475 | | |
| 2026-02-12 16:00 | 103537 | | |
| 2026-02-12 15:00 | 94356 | | |
| 2026-02-12 14:00 | 96006 | | |
| 2026-02-12 13:00 | 103325 | | |
| 2026-02-12 12:00 | 110969 | | |
| 2026-02-12 11:00 | 119069 | | |
| 2026-02-12 10:00 | 128300 | | |
| 2026-02-12 09:00 | 136544 | | |
| 2026-02-12 08:00 | 142250 | | |
| 2026-02-12 07:00 | 145469 | | |
| 2026-02-12 06:00 | 143688 | | |
| 2026-02-12 05:00 | 135456 | | |
| 2026-02-12 04:00 | 125750 | | |
| 2026-02-12 03:00 | 119556 | | |
| 2026-02-12 02:00 | 117200 | | |
| 2026-02-12 01:00 | 117400 | | |
| 2026-02-12 00:00 | 118625 | | |
| 2026-02-11 23:00 | 119463 | | |
| 2026-02-11 22:00 | 119781 | | |
| 2026-02-11 21:00 | 120450 | | |
| 2026-02-11 20:00 | 120688 | | |
| 2026-02-11 19:00 | 116338 | | |
| 2026-02-11 18:00 | 104906 | | |
| 2026-02-11 17:00 | 91219 | | |
| 2026-02-11 16:00 | 82275 | | |
| 2026-02-11 15:00 | 79850 | | |
| 2026-02-11 14:00 | 82400 | | |
| 2026-02-11 13:00 | 89612 | | |
| 2026-02-11 12:00 | 102725 | | |
| 2026-02-11 11:00 | 120438 | | |
| 2026-02-11 10:00 | 136856 | | |
| 2026-02-11 09:00 | 147162 | | |
| 2026-02-11 08:00 | 150650 | | |
| 2026-02-11 07:00 | 147613 | | |
| 2026-02-11 06:00 | 140419 | | |
| 2026-02-11 05:00 | 134181 | | |
| 2026-02-11 04:00 | 130969 | | |
| 2026-02-11 03:00 | 128694 | | |
| 2026-02-11 02:00 | 126188 | | |
| 2026-02-11 01:00 | 124250 | | |
| 2026-02-11 00:00 | 123531 | | |
| 2026-02-10 23:00 | 123812 | | |
| 2026-02-10 22:00 | 124763 | | |
| 2026-02-10 21:00 | 126275 | | |
| 2026-02-10 20:00 | 126975 | | |
| 2026-02-10 19:00 | 125094 | | |
| 2026-02-10 18:00 | 121675 | | |
| 2026-02-10 17:00 | 118737 | | |
| 2026-02-10 16:00 | 116069 | | |
| 2026-02-10 15:00 | 113656 | | |
| 2026-02-10 14:00 | 113562 | | |
| 2026-02-10 13:00 | 117844 | | |
| 2026-02-10 12:00 | 126769 | | |
| 2026-02-10 11:00 | 137306 | | |
| 2026-02-10 10:00 | 145488 | | |
| 2026-02-10 09:00 | 151100 | | |
| 2026-02-10 08:00 | 154463 | | |
| 2026-02-10 07:00 | 152438 | | |
| 2026-02-10 06:00 | 142631 | | |
| 2026-02-10 05:00 | 129144 | | |
| 2026-02-10 04:00 | 119463 | | |
| 2026-02-10 03:00 | 115644 | | |
| 2026-02-10 02:00 | 116256 | | |
| 2026-02-10 01:00 | 121444 | | |
| 2026-02-10 00:00 | 128619 | | |
| 2026-02-09 23:00 | 132844 | | |
| 2026-02-09 22:00 | 133725 | | |
| 2026-02-09 21:00 | 135025 | | |
| 2026-02-09 20:00 | 137469 | | |
| 2026-02-09 19:00 | 137238 | | |
| 2026-02-09 18:00 | 134113 | | |
| 2026-02-09 17:00 | 132319 | | |
| 2026-02-09 16:00 | 132463 | | |
| 2026-02-09 15:00 | 132506 | | |
| 2026-02-09 14:00 | 131725 | | |
| 2026-02-09 13:00 | 130256 | | |
| 2026-02-09 12:00 | 129250 | | |
| 2026-02-09 11:00 | 129188 | | |
| 2026-02-09 10:00 | 128894 | | |
| 2026-02-09 09:00 | 127162 | | |
| 2026-02-09 08:00 | 122931 | | |
| 2026-02-09 07:00 | 116862 | | |
| 2026-02-09 06:00 | 111894 | | |
| 2026-02-09 05:00 | 108969 | | |
| 2026-02-09 04:00 | 106506 | | |
| 2026-02-09 03:00 | 103869 | | |
| 2026-02-09 02:00 | 101794 | | |
| 2026-02-09 01:00 | 102250 | | |
| 2026-02-09 00:00 | 107956 | | |
| 2026-02-08 23:00 | 117956 | | |
| 2026-02-08 22:00 | 127694 | | |
| 2026-02-08 21:00 | 135750 | | |
| 2026-02-08 20:00 | 143169 | | |
| 2026-02-08 19:00 | 149369 | | |
| 2026-02-08 18:00 | 151306 | | |
| 2026-02-08 17:00 | 143706 | | |
| 2026-02-08 16:00 | 128438 | | |
| 2026-02-08 15:00 | 116281 | | |
| 2026-02-08 14:00 | 111950 | | |
| 2026-02-08 13:00 | 111912 | | |
| 2026-02-08 12:00 | 112750 | | |
| 2026-02-08 11:00 | 112500 | | |
| 2026-02-08 10:00 | 111200 | | |
| 2026-02-08 09:00 | 110431 | | |
| 2026-02-08 08:00 | 108463 | | |
| 2026-02-08 07:00 | 101188 | | |
| 2026-02-08 06:00 | 91119 | | |
| 2026-02-08 05:00 | 85244 | | |
| 2026-02-08 04:00 | 84306 | | |
| 2026-02-08 03:00 | 84981 | | |
| 2026-02-08 02:00 | 86481 | | |
| 2026-02-08 01:00 | 89619 | | |
| 2026-02-08 00:00 | 93775 | | |
| 2026-02-07 23:00 | 96794 | | |
| 2026-02-07 22:00 | 98912 | | |
| 2026-02-07 21:00 | 103731 | | |
| 2026-02-07 20:00 | 112994 | | |
| 2026-02-07 19:00 | 122500 | | |
| 2026-02-07 18:00 | 124731 | | |
| 2026-02-07 17:00 | 116869 | | |
| 2026-02-07 16:00 | 105444 | | |
| 2026-02-07 15:00 | 99619 | | |
| 2026-02-07 14:00 | 100906 | | |
| 2026-02-07 13:00 | 104119 | | |
| 2026-02-07 12:00 | 105694 | | |
| 2026-02-07 11:00 | 106450 | | |
| 2026-02-07 10:00 | 107675 | | |
| 2026-02-07 09:00 | 108150 | | |
| 2026-02-07 08:00 | 106819 | | |
| 2026-02-07 07:00 | 104994 | | |
| 2026-02-07 06:00 | 103975 | | |
| 2026-02-07 05:00 | 103875 | | |
| 2026-02-07 04:00 | 104263 | | |
| 2026-02-07 03:00 | 104237 | | |
| 2026-02-07 02:00 | 103269 | | |
| 2026-02-07 01:00 | 101456 | | |
| 2026-02-07 00:00 | 99938 | | |
| 2026-02-06 23:00 | 100550 | | |
| 2026-02-06 22:00 | 103544 | | |
| 2026-02-06 21:00 | 107931 | | |
| 2026-02-06 20:00 | 112150 | | |
| 2026-02-06 19:00 | 113737 | | |
| 2026-02-06 18:00 | 111237 | | |
| 2026-02-06 17:00 | 105525 | | |
| 2026-02-06 16:00 | 99575 | | |
| 2026-02-06 15:00 | 96644 | | |
| 2026-02-06 14:00 | 97881 | | |
| 2026-02-06 13:00 | 103719 | | |
| 2026-02-06 12:00 | 114050 | | |
| 2026-02-06 11:00 | 125319 | | |
| 2026-02-06 10:00 | 135419 | | |
| 2026-02-06 09:00 | 147162 | | |
| 2026-02-06 08:00 | 157406 | | |
| 2026-02-06 07:00 | 156631 | | |
| 2026-02-06 06:00 | 145188 | | |
| 2026-02-06 05:00 | 132225 | | |
| 2026-02-06 04:00 | 122369 | | |
| 2026-02-06 03:00 | 116031 | | |
| 2026-02-06 02:00 | 112806 | | |
| 2026-02-06 01:00 | 111138 | | |
| 2026-02-06 00:00 | 110763 | | |
| 2026-02-05 23:00 | 112888 | | |
| 2026-02-05 22:00 | 117756 | | |
| 2026-02-05 21:00 | 124588 | | |
| 2026-02-05 20:00 | 130262 | | |
| 2026-02-05 19:00 | 130000 | | |
| 2026-02-05 18:00 | 123950 | | |
| 2026-02-05 17:00 | 115775 | | |
| 2026-02-05 16:00 | 106737 | | |
| 2026-02-05 15:00 | 98037 | | |
| 2026-02-05 14:00 | 91938 | | |
| 2026-02-05 13:00 | 90100 | | |
| 2026-02-05 12:00 | 93963 | | |
| 2026-02-05 11:00 | 104350 | | |
| 2026-02-05 10:00 | 119975 | | |
| 2026-02-05 09:00 | 134775 | | |
| 2026-02-05 08:00 | 139988 | | |
| 2026-02-05 07:00 | 133725 | | |
| 2026-02-05 06:00 | 121675 | | |
| 2026-02-05 05:00 | 109425 | | |
| 2026-02-05 04:00 | 101719 | | |
| 2026-02-05 03:00 | 101006 | | |
| 2026-02-05 02:00 | 104750 | | |
| 2026-02-05 01:00 | 109450 | | |
| 2026-02-05 00:00 | 112694 | | |
| 2026-02-04 23:00 | 112731 | | |
| 2026-02-04 22:00 | 112425 | | |
| 2026-02-04 21:00 | 116406 | | |
| 2026-02-04 20:00 | 121263 | | |
| 2026-02-04 19:00 | 118881 | | |
| 2026-02-04 18:00 | 107000 | | |
| 2026-02-04 17:00 | 90131 | | |
| 2026-02-04 16:00 | 75987 | | |
| 2026-02-04 15:00 | 70588 | | |
| 2026-02-04 14:00 | 72619 | | |
| 2026-02-04 13:00 | 76950 | | |
| 2026-02-04 12:00 | 82269 | | |
| 2026-02-04 11:00 | 90088 | | |
| 2026-02-04 10:00 | 101213 | | |
| 2026-02-04 09:00 | 114100 | | |
| 2026-02-04 08:00 | 122838 | | |
| 2026-02-04 07:00 | 123606 | | |
| 2026-02-04 06:00 | 120888 | | |
| 2026-02-04 05:00 | 118694 | | |
| 2026-02-04 04:00 | 116213 | | |
| 2026-02-04 03:00 | 114044 | | |
| 2026-02-04 02:00 | 114294 | | |
| 2026-02-04 01:00 | 118688 | | |
| 2026-02-04 00:00 | 126169 | | |
| 2026-02-03 23:00 | 129475 | | |
| 2026-02-03 22:00 | 125306 | | |
| 2026-02-03 21:00 | 121388 | | |
| 2026-02-03 20:00 | 122037 | | |
| 2026-02-03 19:00 | 122050 | | |
| 2026-02-03 18:00 | 117331 | | |
| 2026-02-03 17:00 | 108487 | | |
| 2026-02-03 16:00 | 99031 | | |
| 2026-02-03 15:00 | 94506 | | |
| 2026-02-03 14:00 | 97481 | | |
| 2026-02-03 13:00 | 104119 | | |
| 2026-02-03 12:00 | 108713 | | |
| 2026-02-03 11:00 | 110125 | | |
| 2026-02-03 10:00 | 112100 | | |
| 2026-02-03 09:00 | 117406 | | |
| 2026-02-03 08:00 | 124931 | | |
| 2026-02-03 07:00 | 133831 | | |
| 2026-02-03 06:00 | 141844 | | |
| 2026-02-03 05:00 | 142344 | | |
| 2026-02-03 04:00 | 135656 | | |
| 2026-02-03 03:00 | 130525 | | |
| 2026-02-03 02:00 | 129244 | | |
| 2026-02-03 01:00 | 128206 | | |
| 2026-02-03 00:00 | 127900 | | |
| 2026-02-02 23:00 | 131119 | | |
| 2026-02-02 22:00 | 138262 | | |
| 2026-02-02 21:00 | 147650 | | |
| 2026-02-02 20:00 | 155406 | | |
| 2026-02-02 19:00 | 157481 | | |
| 2026-02-02 18:00 | 152031 | | |
| 2026-02-02 17:00 | 137412 | | |
| 2026-02-02 16:00 | 118194 | | |