COLUMBIA--WANAPUM DAM (WANW1)
| Observed |
| Date/Time (PST) | Pool Storage |
| 2026-03-07 00:00 | 158.24 | | |
| 2026-03-06 23:00 | 155.24 | | |
| 2026-03-06 22:00 | 156.06 | | |
| 2026-03-06 21:00 | 158.25 | | |
| 2026-03-06 20:00 | 154.16 | | |
| 2026-03-06 19:00 | 156.35 | | |
| 2026-03-06 18:00 | 158.09 | | |
| 2026-03-06 17:00 | 153.52 | | |
| 2026-03-06 16:00 | 157.73 | | |
| 2026-03-06 15:00 | 156.89 | | |
| 2026-03-06 14:00 | 155.72 | | |
| 2026-03-06 13:00 | 158.44 | | |
| 2026-03-06 12:00 | 158.56 | | |
| 2026-03-06 11:00 | 159.41 | | |
| 2026-03-06 10:00 | 158.54 | | |
| 2026-03-06 09:00 | 156.6 | | |
| 2026-03-06 08:00 | 153.54 | | |
| 2026-03-06 07:00 | 149.05 | | |
| 2026-03-06 06:00 | 146.17 | | |
| 2026-03-06 05:00 | 147.59 | | |
| 2026-03-06 04:00 | 147.96 | | |
| 2026-03-06 03:00 | 149.83 | | |
| 2026-03-06 02:00 | 149.48 | | |
| 2026-03-06 01:00 | 147.93 | | |
| 2026-03-06 00:00 | 142.39 | | |
| 2026-03-05 23:00 | 137.29 | | |
| 2026-03-05 22:00 | 140.52 | | |
| 2026-03-05 21:00 | 137.09 | | |
| 2026-03-05 20:00 | 138.21 | | |
| 2026-03-05 19:00 | 141.88 | | |
| 2026-03-05 18:00 | 139.7 | | |
| 2026-03-05 17:00 | 141.64 | | |
| 2026-03-05 16:00 | 149.89 | | |
| 2026-03-05 15:00 | 151.49 | | |
| 2026-03-05 14:00 | 143.25 | | |
| 2026-03-05 13:00 | 146.14 | | |
| 2026-03-05 12:00 | 139.31 | | |
| 2026-03-05 11:00 | 139.9 | | |
| 2026-03-05 10:00 | 131.96 | | |
| 2026-03-05 09:00 | 129.23 | | |
| 2026-03-05 08:00 | 124.62 | | |
| 2026-03-05 07:00 | 119.82 | | |
| 2026-03-05 06:00 | 120.29 | | |
| 2026-03-05 05:00 | 120.54 | | |
| 2026-03-05 04:00 | 115.72 | | |
| 2026-03-05 03:00 | 119.46 | | |
| 2026-03-05 02:00 | 116.64 | | |
| 2026-03-05 01:00 | 114.85 | | |
| 2026-03-05 00:00 | 114.51 | | |
| 2026-03-04 23:00 | 113.77 | | |
| 2026-03-04 22:00 | 113.8 | | |
| 2026-03-04 21:00 | 121.57 | | |
| 2026-03-04 20:00 | 118.24 | | |
| 2026-03-04 19:00 | 122.67 | | |
| 2026-03-04 18:00 | 125.17 | | |
| 2026-03-04 17:00 | 123.77 | | |
| 2026-03-04 16:00 | 128.08 | | |
| 2026-03-04 15:00 | 126.32 | | |
| 2026-03-04 14:00 | 121.63 | | |
| 2026-03-04 13:00 | 121.32 | | |
| 2026-03-04 12:00 | 115.93 | | |
| 2026-03-04 11:00 | 112.63 | | |
| 2026-03-04 10:00 | 110.98 | | |
| 2026-03-04 09:00 | 102.3 | | |
| 2026-03-04 08:00 | 99.03 | | |
| 2026-03-04 07:00 | 97.71 | | |
| 2026-03-04 06:00 | 93.34 | | |
| 2026-03-04 05:00 | 96.74 | | |
| 2026-03-04 04:00 | 99.45 | | |
| 2026-03-04 03:00 | 102.34 | | |
| 2026-03-04 02:00 | 105.23 | | |
| 2026-03-04 01:00 | 107.43 | | |
| 2026-03-04 00:00 | 110.52 | | |
| 2026-03-03 23:00 | 111.42 | | |
| 2026-03-03 22:00 | 111.52 | | |
| 2026-03-03 21:00 | 110.78 | | |
| 2026-03-03 20:00 | 110.6 | | |
| 2026-03-03 19:00 | 114.34 | | |
| 2026-03-03 18:00 | 117.57 | | |
| 2026-03-03 17:00 | 118.06 | | |
| 2026-03-03 16:00 | 124.45 | | |
| 2026-03-03 15:00 | 121.4 | | |
| 2026-03-03 14:00 | 117.47 | | |
| 2026-03-03 13:00 | 118.4 | | |
| 2026-03-03 12:00 | 115 | | |
| 2026-03-03 11:00 | 111.55 | | |
| 2026-03-03 10:00 | 117.67 | | |
| 2026-03-03 09:00 | 113.99 | | |
| 2026-03-03 08:00 | 110.23 | | |
| 2026-03-03 07:00 | 111.91 | | |
| 2026-03-03 06:00 | 110.08 | | |
| 2026-03-03 05:00 | 114.01 | | |
| 2026-03-03 04:00 | 114.2 | | |
| 2026-03-03 03:00 | 115.54 | | |
| 2026-03-03 02:00 | 116.72 | | |
| 2026-03-03 01:00 | 118.98 | | |
| 2026-03-03 00:00 | 124.21 | | |
| 2026-03-02 23:00 | 125.63 | | |
| 2026-03-02 22:00 | 125.76 | | |
| 2026-03-02 21:00 | 123.49 | | |
| 2026-03-02 20:00 | 124.66 | | |
| 2026-03-02 19:00 | 124.78 | | |
| 2026-03-02 18:00 | 127.35 | | |
| 2026-03-02 17:00 | 126.17 | | |
| 2026-03-02 16:00 | 130.37 | | |
| 2026-03-02 15:00 | 133.12 | | |
| 2026-03-02 14:00 | 132.46 | | |
| 2026-03-02 13:00 | 127.32 | | |
| 2026-03-02 12:00 | 129.4 | | |
| 2026-03-02 11:00 | 125.86 | | |
| 2026-03-02 10:00 | 121.13 | | |
| 2026-03-02 09:00 | 117.43 | | |
| 2026-03-02 08:00 | 113.52 | | |
| 2026-03-02 07:00 | 111.56 | | |
| 2026-03-02 06:00 | 105.4 | | |
| 2026-03-02 05:00 | 111.04 | | |
| 2026-03-02 04:00 | 112.56 | | |
| 2026-03-02 03:00 | 114.34 | | |
| 2026-03-02 02:00 | 115.47 | | |
| 2026-03-02 01:00 | 117.67 | | |
| 2026-03-02 00:00 | 116.78 | | |
| 2026-03-01 23:00 | 121.95 | | |
| 2026-03-01 22:00 | 123.77 | | |
| 2026-03-01 21:00 | 124.74 | | |
| 2026-03-01 20:00 | 125.36 | | |
| 2026-03-01 19:00 | 125.97 | | |
| 2026-03-01 18:00 | 126.39 | | |
| 2026-03-01 17:00 | 126.05 | | |
| 2026-03-01 16:00 | 129.55 | | |
| 2026-03-01 15:00 | 129.96 | | |
| 2026-03-01 14:00 | 129.75 | | |
| 2026-03-01 13:00 | 132.58 | | |
| 2026-03-01 12:00 | 134.44 | | |
| 2026-03-01 11:00 | 137.48 | | |
| 2026-03-01 10:00 | 139.43 | | |
| 2026-03-01 09:00 | 141.56 | | |
| 2026-03-01 08:00 | 142.09 | | |
| 2026-03-01 07:00 | 142.5 | | |
| 2026-03-01 06:00 | 141.98 | | |
| 2026-03-01 05:00 | 141.01 | | |
| 2026-03-01 04:00 | 142.47 | | |
| 2026-03-01 03:00 | 140.22 | | |
| 2026-03-01 02:00 | 142.95 | | |
| 2026-03-01 01:00 | 144.44 | | |
| 2026-03-01 00:00 | 141.03 | | |
| 2026-02-28 23:00 | 142.76 | | |
| 2026-02-28 22:00 | 142.33 | | |
| 2026-02-28 21:00 | 142.79 | | |
| 2026-02-28 20:00 | 142.09 | | |
| 2026-02-28 19:00 | 141.06 | | |
| 2026-02-28 18:00 | 141.29 | | |
| 2026-02-28 17:00 | 142.69 | | |
| 2026-02-28 16:00 | 144.68 | | |
| 2026-02-28 15:00 | 143.91 | | |
| 2026-02-28 14:00 | 142.51 | | |
| 2026-02-28 13:00 | 143.67 | | |
| 2026-02-28 12:00 | 140.65 | | |
| 2026-02-28 11:00 | 138.76 | | |
| 2026-02-28 10:00 | 137.69 | | |
| 2026-02-28 09:00 | 135.28 | | |
| 2026-02-28 08:00 | 134.23 | | |
| 2026-02-28 07:00 | 131.81 | | |
| 2026-02-28 06:00 | 133.53 | | |
| 2026-02-28 05:00 | 135.67 | | |
| 2026-02-28 04:00 | 138 | | |
| 2026-02-28 03:00 | 138.93 | | |
| 2026-02-28 02:00 | 140.55 | | |
| 2026-02-28 01:00 | 142.5 | | |
| 2026-02-28 00:00 | 140.65 | | |
| 2026-02-27 23:00 | 142.69 | | |
| 2026-02-27 22:00 | 145.17 | | |
| 2026-02-27 21:00 | 145.42 | | |
| 2026-02-27 20:00 | 145.35 | | |
| 2026-02-27 19:00 | 147.5 | | |
| 2026-02-27 18:00 | 148.74 | | |
| 2026-02-27 17:00 | 148.22 | | |
| 2026-02-27 16:00 | 158.51 | | |
| 2026-02-27 15:00 | 157.04 | | |
| 2026-02-27 14:00 | 158.4 | | |
| 2026-02-27 13:00 | 158.82 | | |
| 2026-02-27 12:00 | 153.8 | | |
| 2026-02-27 11:00 | 152.9 | | |
| 2026-02-27 10:00 | 149.57 | | |
| 2026-02-27 09:00 | 147.61 | | |
| 2026-02-27 08:00 | 149.44 | | |
| 2026-02-27 07:00 | 146.29 | | |
| 2026-02-27 06:00 | 144.36 | | |
| 2026-02-27 05:00 | 146.63 | | |
| 2026-02-27 04:00 | 148.85 | | |
| 2026-02-27 03:00 | 149.89 | | |
| 2026-02-27 02:00 | 152.49 | | |
| 2026-02-27 01:00 | 154.82 | | |
| 2026-02-27 00:00 | 153.29 | | |
| 2026-02-26 23:00 | 154.1 | | |
| 2026-02-26 22:00 | 153.82 | | |
| 2026-02-26 21:00 | 153.21 | | |
| 2026-02-26 20:00 | 153.11 | | |
| 2026-02-26 19:00 | 152.8 | | |
| 2026-02-26 18:00 | 152.21 | | |
| 2026-02-26 17:00 | 151.28 | | |
| 2026-02-26 16:00 | 154.43 | | |
| 2026-02-26 15:00 | 154.94 | | |
| 2026-02-26 14:00 | 156.12 | | |
| 2026-02-26 13:00 | 158.87 | | |
| 2026-02-26 12:00 | 158.04 | | |
| 2026-02-26 11:00 | 160.25 | | |
| 2026-02-26 10:00 | 160.67 | | |
| 2026-02-26 09:00 | 157.88 | | |
| 2026-02-26 08:00 | 156.87 | | |
| 2026-02-26 07:00 | 156.62 | | |
| 2026-02-26 06:00 | 155.37 | | |
| 2026-02-26 05:00 | 156.14 | | |
| 2026-02-26 04:00 | 155.74 | | |
| 2026-02-26 03:00 | 156.98 | | |
| 2026-02-26 02:00 | 155.71 | | |
| 2026-02-26 01:00 | 156.23 | | |
| 2026-02-26 00:00 | 154.38 | | |
| 2026-02-25 23:00 | 152.02 | | |
| 2026-02-25 22:00 | 154.15 | | |
| 2026-02-25 21:00 | 154.36 | | |
| 2026-02-25 20:00 | 153.84 | | |
| 2026-02-25 19:00 | 152 | | |
| 2026-02-25 18:00 | 154.94 | | |
| 2026-02-25 17:00 | 154.57 | | |
| 2026-02-25 16:00 | 153.56 | | |
| 2026-02-25 15:00 | 157.96 | | |
| 2026-02-25 14:00 | 153.05 | | |
| 2026-02-25 13:00 | 152.94 | | |
| 2026-02-25 12:00 | 148.31 | | |
| 2026-02-25 11:00 | 145.07 | | |
| 2026-02-25 10:00 | 143 | | |
| 2026-02-25 09:00 | 142.46 | | |
| 2026-02-25 08:00 | 142.81 | | |
| 2026-02-25 07:00 | 141.71 | | |
| 2026-02-25 06:00 | 141.97 | | |
| 2026-02-25 05:00 | 141.73 | | |
| 2026-02-25 04:00 | 138.97 | | |
| 2026-02-25 03:00 | 137.73 | | |
| 2026-02-25 02:00 | 137.43 | | |
| 2026-02-25 01:00 | 134.87 | | |
| 2026-02-25 00:00 | 136.06 | | |
| 2026-02-24 23:00 | 135.16 | | |
| 2026-02-24 22:00 | 135.04 | | |
| 2026-02-24 21:00 | 136.53 | | |
| 2026-02-24 20:00 | 135.78 | | |
| 2026-02-24 19:00 | 136.97 | | |
| 2026-02-24 18:00 | 138.26 | | |
| 2026-02-24 17:00 | 135.67 | | |
| 2026-02-24 16:00 | 139.31 | | |