COLUMBIA--WANAPUM DAM (WANW1)
| Observed |
| Date/Time (PDT) | Pool Storage |
| 2026-06-26 20:00 | 117.92 | | |
| 2026-06-26 19:00 | 119.23 | | |
| 2026-06-26 18:00 | 116.85 | | |
| 2026-06-26 17:00 | 113.34 | | |
| 2026-06-26 16:00 | 111.74 | | |
| 2026-06-26 15:00 | 107.56 | | |
| 2026-06-26 14:00 | 103.52 | | |
| 2026-06-26 13:00 | 101.92 | | |
| 2026-06-26 12:00 | 96.9 | | |
| 2026-06-26 11:00 | 94.02 | | |
| 2026-06-26 10:00 | 92.15 | | |
| 2026-06-26 09:00 | 88.41 | | |
| 2026-06-26 08:00 | 85.39 | | |
| 2026-06-26 07:00 | 80.72 | | |
| 2026-06-26 06:00 | 80.54 | | |
| 2026-06-26 05:00 | 83.7 | | |
| 2026-06-26 04:00 | 83.43 | | |
| 2026-06-26 03:00 | 79.55 | | |
| 2026-06-26 02:00 | 88.18 | | |
| 2026-06-26 01:00 | 88.21 | | |
| 2026-06-26 00:00 | 85.28 | | |
| 2026-06-25 23:00 | 83.47 | | |
| 2026-06-25 22:00 | 79.7 | | |
| 2026-06-25 21:00 | 78.88 | | |
| 2026-06-25 20:00 | 76.21 | | |
| 2026-06-25 19:00 | 75.54 | | |
| 2026-06-25 18:00 | 73.55 | | |
| 2026-06-25 17:00 | 73 | | |
| 2026-06-25 16:00 | 70.01 | | |
| 2026-06-25 15:00 | 66.46 | | |
| 2026-06-25 14:00 | 65.02 | | |
| 2026-06-25 13:00 | 63.95 | | |
| 2026-06-25 12:00 | 63.9 | | |
| 2026-06-25 11:00 | 62.34 | | |
| 2026-06-25 10:00 | 60.56 | | |
| 2026-06-25 09:00 | 57.59 | | |
| 2026-06-25 08:00 | 59.22 | | |
| 2026-06-25 07:00 | 60.96 | | |
| 2026-06-25 06:00 | 62.89 | | |
| 2026-06-25 05:00 | 67.56 | | |
| 2026-06-25 04:00 | 71.93 | | |
| 2026-06-25 03:00 | 72.9 | | |
| 2026-06-25 02:00 | 79.58 | | |
| 2026-06-25 01:00 | 78.13 | | |
| 2026-06-25 00:00 | 77.19 | | |
| 2026-06-24 23:00 | 77.44 | | |
| 2026-06-24 22:00 | 77.61 | | |
| 2026-06-24 21:00 | 73.1 | | |
| 2026-06-24 20:00 | 69.33 | | |
| 2026-06-24 19:00 | 69.2 | | |
| 2026-06-24 18:00 | 66.81 | | |
| 2026-06-24 17:00 | 66.96 | | |
| 2026-06-24 16:00 | 64.57 | | |
| 2026-06-24 15:00 | 60.04 | | |
| 2026-06-24 14:00 | 57.76 | | |
| 2026-06-24 13:00 | 66.07 | | |
| 2026-06-24 12:00 | 60.59 | | |
| 2026-06-24 11:00 | 67.43 | | |
| 2026-06-24 10:00 | 72.52 | | |
| 2026-06-24 09:00 | 76.59 | | |
| 2026-06-24 08:00 | 85.43 | | |
| 2026-06-24 07:00 | 90.4 | | |
| 2026-06-24 06:00 | 90.99 | | |
| 2026-06-24 05:00 | 97.4 | | |
| 2026-06-24 04:00 | 102.17 | | |
| 2026-06-24 03:00 | 101.28 | | |
| 2026-06-24 02:00 | 100.76 | | |
| 2026-06-24 01:00 | 96.13 | | |
| 2026-06-24 00:00 | 94.63 | | |
| 2026-06-23 23:00 | 91.93 | | |
| 2026-06-23 22:00 | 88.66 | | |
| 2026-06-23 21:00 | 85.93 | | |
| 2026-06-23 20:00 | 84.46 | | |
| 2026-06-23 19:00 | 82.26 | | |
| 2026-06-23 18:00 | 79.17 | | |
| 2026-06-23 17:00 | 78.96 | | |
| 2026-06-23 16:00 | 78.82 | | |
| 2026-06-23 15:00 | 78.34 | | |
| 2026-06-23 14:00 | 82.36 | | |
| 2026-06-23 13:00 | 86.79 | | |
| 2026-06-23 12:00 | 88.96 | | |
| 2026-06-23 11:00 | 93.85 | | |
| 2026-06-23 10:00 | 96.21 | | |
| 2026-06-23 09:00 | 97.97 | | |
| 2026-06-23 08:00 | 99.94 | | |
| 2026-06-23 07:00 | 99.14 | | |
| 2026-06-23 06:00 | 100.17 | | |
| 2026-06-23 05:00 | 102.44 | | |
| 2026-06-23 04:00 | 101.86 | | |
| 2026-06-23 03:00 | 105.4 | | |
| 2026-06-23 02:00 | 101.82 | | |
| 2026-06-23 01:00 | 96.59 | | |
| 2026-06-23 00:00 | 94.25 | | |
| 2026-06-22 23:00 | 88.96 | | |
| 2026-06-22 22:00 | 87.21 | | |
| 2026-06-22 21:00 | 85.89 | | |
| 2026-06-22 20:00 | 81.63 | | |
| 2026-06-22 19:00 | 76.55 | | |
| 2026-06-22 18:00 | 76.54 | | |
| 2026-06-22 17:00 | 72.93 | | |
| 2026-06-22 16:00 | 67.06 | | |
| 2026-06-22 15:00 | 69.42 | | |
| 2026-06-22 14:00 | 68.73 | | |
| 2026-06-22 13:00 | 67.67 | | |
| 2026-06-22 12:00 | 67.03 | | |
| 2026-06-22 11:00 | 66.38 | | |
| 2026-06-22 10:00 | 68.29 | | |
| 2026-06-22 09:00 | 70.61 | | |
| 2026-06-22 08:00 | 72.21 | | |
| 2026-06-22 07:00 | 77.02 | | |
| 2026-06-22 06:00 | 82.95 | | |
| 2026-06-22 05:00 | 85.6 | | |
| 2026-06-22 04:00 | 87.94 | | |
| 2026-06-22 03:00 | 92.44 | | |
| 2026-06-22 02:00 | 90.14 | | |
| 2026-06-22 01:00 | 86.28 | | |
| 2026-06-22 00:00 | 83.4 | | |
| 2026-06-21 23:00 | 78.89 | | |
| 2026-06-21 22:00 | 77.13 | | |
| 2026-06-21 21:00 | 76.38 | | |
| 2026-06-21 20:00 | 71.46 | | |
| 2026-06-21 19:00 | 70.06 | | |
| 2026-06-21 18:00 | 68.75 | | |
| 2026-06-21 17:00 | 68.02 | | |
| 2026-06-21 16:00 | 64.93 | | |
| 2026-06-21 15:00 | 63.96 | | |
| 2026-06-21 14:00 | 65.86 | | |
| 2026-06-21 13:00 | 68.39 | | |
| 2026-06-21 12:00 | 72.7 | | |
| 2026-06-21 11:00 | 72.66 | | |
| 2026-06-21 10:00 | 71.91 | | |
| 2026-06-21 09:00 | 70.64 | | |
| 2026-06-21 08:00 | 73.2 | | |
| 2026-06-21 07:00 | 74.22 | | |
| 2026-06-21 06:00 | 73.34 | | |
| 2026-06-21 05:00 | 76.16 | | |
| 2026-06-21 04:00 | 76.68 | | |
| 2026-06-21 03:00 | 77.27 | | |
| 2026-06-21 02:00 | 77.54 | | |
| 2026-06-21 01:00 | 76.69 | | |
| 2026-06-21 00:00 | 78.09 | | |
| 2026-06-20 23:00 | 80.81 | | |
| 2026-06-20 22:00 | 83.42 | | |
| 2026-06-20 21:00 | 87.86 | | |
| 2026-06-20 20:00 | 91.62 | | |
| 2026-06-20 19:00 | 93.37 | | |
| 2026-06-20 18:00 | 97.36 | | |
| 2026-06-20 17:00 | 97.56 | | |
| 2026-06-20 16:00 | 101.03 | | |
| 2026-06-20 15:00 | 104.02 | | |
| 2026-06-20 14:00 | 107.39 | | |
| 2026-06-20 13:00 | 109.84 | | |
| 2026-06-20 12:00 | 113.48 | | |
| 2026-06-20 11:00 | 115.73 | | |
| 2026-06-20 10:00 | 118.91 | | |
| 2026-06-20 09:00 | 119.67 | | |
| 2026-06-20 08:00 | 121.33 | | |
| 2026-06-20 07:00 | 122.23 | | |
| 2026-06-20 06:00 | 120.78 | | |
| 2026-06-20 05:00 | 120.89 | | |
| 2026-06-20 04:00 | 121.19 | | |
| 2026-06-20 03:00 | 122.28 | | |
| 2026-06-20 02:00 | 122.77 | | |
| 2026-06-20 01:00 | 121.63 | | |
| 2026-06-20 00:00 | 121.16 | | |
| 2026-06-19 23:00 | 117.72 | | |
| 2026-06-19 22:00 | 110.9 | | |
| 2026-06-19 21:00 | 107.03 | | |
| 2026-06-19 20:00 | 102.42 | | |
| 2026-06-19 19:00 | 102.18 | | |
| 2026-06-19 18:00 | 98.19 | | |
| 2026-06-19 17:00 | 96.32 | | |
| 2026-06-19 16:00 | 95.44 | | |
| 2026-06-19 15:00 | 92.68 | | |
| 2026-06-19 14:00 | 88.56 | | |
| 2026-06-19 13:00 | 91.53 | | |
| 2026-06-19 12:00 | 89.82 | | |
| 2026-06-19 11:00 | 89.58 | | |
| 2026-06-19 10:00 | 90.55 | | |
| 2026-06-19 09:00 | 89.82 | | |
| 2026-06-19 08:00 | 90.81 | | |
| 2026-06-19 07:00 | 89.78 | | |
| 2026-06-19 06:00 | 88.79 | | |
| 2026-06-19 05:00 | 90.34 | | |
| 2026-06-19 04:00 | 92.1 | | |
| 2026-06-19 03:00 | 89.38 | | |
| 2026-06-19 02:00 | 88 | | |
| 2026-06-19 01:00 | 92.15 | | |
| 2026-06-19 00:00 | 89.37 | | |
| 2026-06-18 23:00 | 87.46 | | |
| 2026-06-18 22:00 | 81.32 | | |
| 2026-06-18 21:00 | 79.36 | | |
| 2026-06-18 20:00 | 77.95 | | |
| 2026-06-18 19:00 | 79 | | |
| 2026-06-18 18:00 | 78.13 | | |
| 2026-06-18 17:00 | 78.78 | | |
| 2026-06-18 16:00 | 81.71 | | |
| 2026-06-18 15:00 | 88.75 | | |
| 2026-06-18 14:00 | 87.07 | | |
| 2026-06-18 13:00 | 87.75 | | |
| 2026-06-18 12:00 | 93.56 | | |
| 2026-06-18 11:00 | 96.37 | | |
| 2026-06-18 10:00 | 105.19 | | |
| 2026-06-18 09:00 | 115.87 | | |
| 2026-06-18 08:00 | 113.58 | | |
| 2026-06-18 07:00 | 113 | | |
| 2026-06-18 06:00 | 110.8 | | |
| 2026-06-18 05:00 | 112.82 | | |
| 2026-06-18 04:00 | 108.94 | | |
| 2026-06-18 03:00 | 105.81 | | |
| 2026-06-18 02:00 | 103.64 | | |
| 2026-06-18 01:00 | 98.19 | | |
| 2026-06-18 00:00 | 92.89 | | |
| 2026-06-17 23:00 | 91.93 | | |
| 2026-06-17 22:00 | 91.16 | | |
| 2026-06-17 21:00 | 90.81 | | |
| 2026-06-17 20:00 | 92.34 | | |
| 2026-06-17 19:00 | 95.68 | | |
| 2026-06-17 18:00 | 99.52 | | |
| 2026-06-17 17:00 | 102.65 | | |
| 2026-06-17 16:00 | 107.47 | | |
| 2026-06-17 15:00 | 110.33 | | |
| 2026-06-17 14:00 | 116.13 | | |
| 2026-06-17 13:00 | 126.28 | | |
| 2026-06-17 12:00 | 131.78 | | |
| 2026-06-17 11:00 | 136.26 | | |
| 2026-06-17 10:00 | 139.56 | | |
| 2026-06-17 09:00 | 142.76 | | |
| 2026-06-17 08:00 | 144.75 | | |
| 2026-06-17 07:00 | 146.99 | | |
| 2026-06-17 06:00 | 147.58 | | |
| 2026-06-17 05:00 | 148.17 | | |
| 2026-06-17 04:00 | 150.41 | | |
| 2026-06-17 03:00 | 152.14 | | |
| 2026-06-17 02:00 | 151.68 | | |
| 2026-06-17 01:00 | 155.88 | | |
| 2026-06-17 00:00 | 157.21 | | |
| 2026-06-16 23:00 | 157.01 | | |
| 2026-06-16 22:00 | 156.66 | | |
| 2026-06-16 21:00 | 155.66 | | |
| 2026-06-16 20:00 | 154.05 | | |
| 2026-06-16 19:00 | 154.02 | | |
| 2026-06-16 18:00 | 153.18 | | |
| 2026-06-16 17:00 | 151.22 | | |
| 2026-06-16 16:00 | 152.68 | | |
| 2026-06-16 15:00 | 149.79 | | |
| 2026-06-16 14:00 | 148.32 | | |
| 2026-06-16 13:00 | 150.1 | | |
| 2026-06-16 12:00 | 147.47 | | |
| 2026-06-16 11:00 | 145.63 | | |
| 2026-06-16 10:00 | 149.19 | | |
| 2026-06-16 09:00 | 145.17 | | |
| 2026-06-16 08:00 | 147.64 | | |
| 2026-06-16 07:00 | 152.02 | | |
| 2026-06-16 06:00 | 150.8 | | |
| 2026-06-16 05:00 | 151.33 | | |
| 2026-06-16 04:00 | 154.78 | | |
| 2026-06-16 03:00 | 154.4 | | |
| 2026-06-16 02:00 | 153.61 | | |
| 2026-06-16 01:00 | 154.9 | | |
| 2026-06-16 00:00 | 159.47 | | |
| 2026-06-15 23:00 | 157.93 | | |
| 2026-06-15 22:00 | 155.85 | | |
| 2026-06-15 21:00 | 155.51 | | |
| 2026-06-15 20:00 | 153.45 | | |
| 2026-06-15 19:00 | 151.26 | | |
| 2026-06-15 18:00 | 149.3 | | |
| 2026-06-15 17:00 | 146.73 | | |