COLUMBIA--WANAPUM DAM (WANW1)
| Observed |
| Date/Time (PDT) | Pool Storage |
| 2025-05-11 19:00 | 128.9 | | |
| 2025-05-11 18:00 | 130.54 | | |
| 2025-05-11 17:00 | 131.36 | | |
| 2025-05-11 16:00 | 127.08 | | |
| 2025-05-11 15:00 | 128.44 | | |
| 2025-05-11 14:00 | 129.4 | | |
| 2025-05-11 13:00 | 130.72 | | |
| 2025-05-11 12:00 | 133.01 | | |
| 2025-05-11 11:00 | 135.18 | | |
| 2025-05-11 10:00 | 138.49 | | |
| 2025-05-11 09:00 | 139.66 | | |
| 2025-05-11 08:00 | 141.14 | | |
| 2025-05-11 07:00 | 139.39 | | |
| 2025-05-11 06:00 | 138.28 | | |
| 2025-05-11 05:00 | 139.25 | | |
| 2025-05-11 04:00 | 142.72 | | |
| 2025-05-11 03:00 | 143.69 | | |
| 2025-05-11 02:00 | 140.48 | | |
| 2025-05-11 01:00 | 146.66 | | |
| 2025-05-11 00:00 | 144.54 | | |
| 2025-05-10 23:00 | 143.55 | | |
| 2025-05-10 22:00 | 143.7 | | |
| 2025-05-10 21:00 | 142.04 | | |
| 2025-05-10 20:00 | 143.46 | | |
| 2025-05-10 19:00 | 144.01 | | |
| 2025-05-10 18:00 | 145.12 | | |
| 2025-05-10 17:00 | 146.91 | | |
| 2025-05-10 16:00 | 147.23 | | |
| 2025-05-10 15:00 | 149.96 | | |
| 2025-05-10 14:00 | 152.77 | | |
| 2025-05-10 13:00 | 152.63 | | |
| 2025-05-10 12:00 | 154.47 | | |
| 2025-05-10 11:00 | 153.38 | | |
| 2025-05-10 10:00 | 155.68 | | |
| 2025-05-10 09:00 | 155.27 | | |
| 2025-05-10 08:00 | 154.69 | | |
| 2025-05-10 07:00 | 156.74 | | |
| 2025-05-10 06:00 | 156.54 | | |
| 2025-05-10 05:00 | 155.18 | | |
| 2025-05-10 04:00 | 154.92 | | |
| 2025-05-10 03:00 | 157.4 | | |
| 2025-05-10 02:00 | 158.75 | | |
| 2025-05-10 01:00 | 152.13 | | |
| 2025-05-10 00:00 | 159.41 | | |
| 2025-05-09 23:00 | 158.68 | | |
| 2025-05-09 22:00 | 150.62 | | |
| 2025-05-09 21:00 | 155.42 | | |
| 2025-05-09 20:00 | 153.1 | | |
| 2025-05-09 19:00 | 152.8 | | |
| 2025-05-09 18:00 | 152.12 | | |
| 2025-05-09 17:00 | 152.19 | | |
| 2025-05-09 16:00 | 155.28 | | |
| 2025-05-09 15:00 | 153.95 | | |
| 2025-05-09 14:00 | 154.62 | | |
| 2025-05-09 13:00 | 156.34 | | |
| 2025-05-09 12:00 | 153.4 | | |
| 2025-05-09 11:00 | 150.28 | | |
| 2025-05-09 10:00 | 149.11 | | |
| 2025-05-09 09:00 | 148.08 | | |
| 2025-05-09 08:00 | 148.48 | | |
| 2025-05-09 07:00 | 146.73 | | |
| 2025-05-09 06:00 | 140.75 | | |
| 2025-05-09 05:00 | 140.86 | | |
| 2025-05-09 04:00 | 140.1 | | |
| 2025-05-09 03:00 | 138.8 | | |
| 2025-05-09 02:00 | 139.01 | | |
| 2025-05-09 01:00 | 138.28 | | |
| 2025-05-09 00:00 | 137.5 | | |
| 2025-05-08 23:00 | 137.52 | | |
| 2025-05-08 22:00 | 139.25 | | |
| 2025-05-08 21:00 | 138.05 | | |
| 2025-05-08 20:00 | 139.79 | | |
| 2025-05-08 19:00 | 141.36 | | |
| 2025-05-08 18:00 | 144.21 | | |
| 2025-05-08 17:00 | 147.66 | | |
| 2025-05-08 16:00 | 147.87 | | |
| 2025-05-08 15:00 | 151.3 | | |
| 2025-05-08 14:00 | 152.98 | | |
| 2025-05-08 13:00 | 150.66 | | |
| 2025-05-08 12:00 | 158.27 | | |
| 2025-05-08 11:00 | 155.63 | | |
| 2025-05-08 10:00 | 154.17 | | |
| 2025-05-08 09:00 | 153.47 | | |
| 2025-05-08 08:00 | 154.27 | | |
| 2025-05-08 07:00 | 154.31 | | |
| 2025-05-08 06:00 | 150.65 | | |
| 2025-05-08 05:00 | 152.56 | | |
| 2025-05-08 04:00 | 154.2 | | |
| 2025-05-08 03:00 | 153.98 | | |
| 2025-05-08 02:00 | 154.5 | | |
| 2025-05-08 01:00 | 152 | | |
| 2025-05-08 00:00 | 150.24 | | |
| 2025-05-07 23:00 | 146.1 | | |
| 2025-05-07 22:00 | 147.55 | | |
| 2025-05-07 21:00 | 144.29 | | |
| 2025-05-07 20:00 | 146.38 | | |
| 2025-05-07 19:00 | 144.47 | | |
| 2025-05-07 18:00 | 142.97 | | |
| 2025-05-07 17:00 | 139.93 | | |
| 2025-05-07 16:00 | 137.63 | | |
| 2025-05-07 15:00 | 127.03 | | |
| 2025-05-07 14:00 | 128.44 | | |
| 2025-05-07 13:00 | 128 | | |
| 2025-05-07 12:00 | 129.97 | | |
| 2025-05-07 11:00 | 129.9 | | |
| 2025-05-07 10:00 | 130.78 | | |
| 2025-05-07 09:00 | 129.88 | | |
| 2025-05-07 08:00 | 130.99 | | |
| 2025-05-07 07:00 | 126.34 | | |
| 2025-05-07 06:00 | 121.68 | | |
| 2025-05-07 05:00 | 123.46 | | |
| 2025-05-07 04:00 | 126.34 | | |
| 2025-05-07 03:00 | 128.75 | | |
| 2025-05-07 02:00 | 131.62 | | |
| 2025-05-07 01:00 | 133.34 | | |
| 2025-05-07 00:00 | 133.19 | | |
| 2025-05-06 23:00 | 130.76 | | |
| 2025-05-06 22:00 | 128.9 | | |
| 2025-05-06 21:00 | 127.52 | | |
| 2025-05-06 20:00 | 128.27 | | |
| 2025-05-06 19:00 | 123.64 | | |
| 2025-05-06 18:00 | 123.37 | | |
| 2025-05-06 17:00 | 129.79 | | |
| 2025-05-06 16:00 | 131.6 | | |
| 2025-05-06 15:00 | 131.43 | | |
| 2025-05-06 14:00 | 133.41 | | |
| 2025-05-06 13:00 | 130.51 | | |
| 2025-05-06 12:00 | 129.8 | | |
| 2025-05-06 11:00 | 128.65 | | |
| 2025-05-06 10:00 | 128.89 | | |
| 2025-05-06 09:00 | 124.49 | | |
| 2025-05-06 08:00 | 129.58 | | |
| 2025-05-06 07:00 | 125.31 | | |
| 2025-05-06 06:00 | 120.4 | | |
| 2025-05-06 05:00 | 122.87 | | |
| 2025-05-06 04:00 | 121.57 | | |
| 2025-05-06 03:00 | 117.54 | | |
| 2025-05-06 02:00 | 117.21 | | |
| 2025-05-06 01:00 | 116.5 | | |
| 2025-05-06 00:00 | 112.91 | | |
| 2025-05-05 23:00 | 115.97 | | |
| 2025-05-05 22:00 | 115.97 | | |
| 2025-05-05 21:00 | 116 | | |
| 2025-05-05 20:00 | 114.96 | | |
| 2025-05-05 19:00 | 114.82 | | |
| 2025-05-05 18:00 | 117.17 | | |
| 2025-05-05 17:00 | 117.91 | | |
| 2025-05-05 16:00 | 121.36 | | |
| 2025-05-05 15:00 | 121.18 | | |
| 2025-05-05 14:00 | 121.6 | | |
| 2025-05-05 13:00 | 124.47 | | |
| 2025-05-05 12:00 | 125.24 | | |
| 2025-05-05 11:00 | 123.9 | | |
| 2025-05-05 10:00 | 123.91 | | |
| 2025-05-05 09:00 | 122.61 | | |
| 2025-05-05 08:00 | 120.77 | | |
| 2025-05-05 07:00 | 119.71 | | |
| 2025-05-05 06:00 | 118.68 | | |
| 2025-05-05 05:00 | 121.34 | | |
| 2025-05-05 04:00 | 124.93 | | |
| 2025-05-05 03:00 | 127.28 | | |
| 2025-05-05 02:00 | 128.24 | | |
| 2025-05-05 01:00 | 127.22 | | |
| 2025-05-05 00:00 | 129.85 | | |
| 2025-05-04 23:00 | 128.15 | | |
| 2025-05-04 22:00 | 128.04 | | |
| 2025-05-04 21:00 | 130.93 | | |
| 2025-05-04 20:00 | 129.25 | | |
| 2025-05-04 19:00 | 126.89 | | |
| 2025-05-04 18:00 | 126.03 | | |
| 2025-05-04 17:00 | 123.92 | | |
| 2025-05-04 16:00 | 124.43 | | |
| 2025-05-04 15:00 | 126.83 | | |
| 2025-05-04 14:00 | 125.97 | | |
| 2025-05-04 13:00 | 126.56 | | |
| 2025-05-04 12:00 | 125.73 | | |
| 2025-05-04 11:00 | 126.14 | | |
| 2025-05-04 10:00 | 133.53 | | |
| 2025-05-04 09:00 | 133.96 | | |
| 2025-05-04 08:00 | 133.16 | | |
| 2025-05-04 07:00 | 130.11 | | |
| 2025-05-04 06:00 | 128.62 | | |
| 2025-05-04 05:00 | 132.09 | | |
| 2025-05-04 04:00 | 132.1 | | |
| 2025-05-04 03:00 | 133.89 | | |
| 2025-05-04 02:00 | 134.46 | | |
| 2025-05-04 01:00 | 132.15 | | |
| 2025-05-04 00:00 | 134.82 | | |
| 2025-05-03 23:00 | 132.5 | | |
| 2025-05-03 22:00 | 131.17 | | |
| 2025-05-03 21:00 | 135.5 | | |
| 2025-05-03 20:00 | 130.71 | | |
| 2025-05-03 19:00 | 131.82 | | |
| 2025-05-03 18:00 | 140.21 | | |
| 2025-05-03 17:00 | 140.92 | | |
| 2025-05-03 16:00 | 143.25 | | |
| 2025-05-03 15:00 | 149.5 | | |
| 2025-05-03 14:00 | 148.67 | | |
| 2025-05-03 13:00 | 150.69 | | |
| 2025-05-03 12:00 | 152.27 | | |
| 2025-05-03 11:00 | 150.03 | | |
| 2025-05-03 10:00 | 152.98 | | |
| 2025-05-03 09:00 | 156.72 | | |
| 2025-05-03 08:00 | 154.31 | | |
| 2025-05-03 07:00 | 153.74 | | |
| 2025-05-03 06:00 | 151.21 | | |
| 2025-05-03 05:00 | 149.78 | | |
| 2025-05-03 04:00 | 151.35 | | |
| 2025-05-03 03:00 | 152.16 | | |
| 2025-05-03 02:00 | 151.86 | | |
| 2025-05-03 01:00 | 154.38 | | |
| 2025-05-03 00:00 | 154.78 | | |
| 2025-05-02 23:00 | 149.47 | | |
| 2025-05-02 22:00 | 156.06 | | |
| 2025-05-02 21:00 | 153.15 | | |
| 2025-05-02 20:00 | 152.58 | | |
| 2025-05-02 19:00 | 156.44 | | |
| 2025-05-02 18:00 | 155.18 | | |
| 2025-05-02 17:00 | 153.17 | | |
| 2025-05-02 16:00 | 151.32 | | |
| 2025-05-02 15:00 | 149.09 | | |
| 2025-05-02 14:00 | 148.8 | | |
| 2025-05-02 13:00 | 150.28 | | |
| 2025-05-02 12:00 | 149.76 | | |
| 2025-05-02 11:00 | 151.92 | | |
| 2025-05-02 10:00 | 152.37 | | |
| 2025-05-02 09:00 | 153.46 | | |
| 2025-05-02 08:00 | 157.75 | | |
| 2025-05-02 07:00 | 158.13 | | |
| 2025-05-02 06:00 | 156.37 | | |
| 2025-05-02 05:00 | 156.09 | | |
| 2025-05-02 04:00 | 156.51 | | |
| 2025-05-02 03:00 | 155.47 | | |
| 2025-05-02 02:00 | 156.15 | | |
| 2025-05-02 01:00 | 154.89 | | |
| 2025-05-02 00:00 | 155.24 | | |
| 2025-05-01 23:00 | 157.43 | | |
| 2025-05-01 22:00 | 154.05 | | |
| 2025-05-01 21:00 | 150.98 | | |
| 2025-05-01 20:00 | 153.47 | | |
| 2025-05-01 19:00 | 141.25 | | |
| 2025-05-01 18:00 | 145.34 | | |
| 2025-05-01 17:00 | 145.87 | | |
| 2025-05-01 16:00 | 149.39 | | |
| 2025-05-01 15:00 | 150.66 | | |
| 2025-05-01 14:00 | 150.18 | | |
| 2025-05-01 13:00 | 154.43 | | |
| 2025-05-01 12:00 | 154.5 | | |
| 2025-05-01 11:00 | 152.82 | | |
| 2025-05-01 10:00 | 154.33 | | |
| 2025-05-01 09:00 | 151.42 | | |
| 2025-05-01 08:00 | 148.69 | | |
| 2025-05-01 07:00 | 146.56 | | |
| 2025-05-01 06:00 | 144.21 | | |
| 2025-05-01 05:00 | 141.98 | | |
| 2025-05-01 04:00 | 139.87 | | |
| 2025-05-01 03:00 | 136.53 | | |
| 2025-05-01 02:00 | 133.4 | | |
| 2025-05-01 01:00 | 131.81 | | |
| 2025-05-01 00:00 | 128.45 | | |
| 2025-04-30 23:00 | 127.48 | | |
| 2025-04-30 22:00 | 124.74 | | |
| 2025-04-30 21:00 | 122.47 | | |
| 2025-04-30 20:00 | 122.83 | | |
| 2025-04-30 19:00 | 119.92 | | |
| 2025-04-30 18:00 | 120.02 | | |
| 2025-04-30 17:00 | 123.85 | | |