COLUMBIA--WANAPUM DAM (WANW1)
| Observed |
| Date/Time (PDT) | Pool Storage |
| 2025-06-30 16:00 | 86.94 | | |
| 2025-06-30 15:00 | 87.22 | | |
| 2025-06-30 14:00 | 96.25 | | |
| 2025-06-30 13:00 | 94.36 | | |
| 2025-06-30 12:00 | 93.44 | | |
| 2025-06-30 11:00 | 97.97 | | |
| 2025-06-30 10:00 | 99.74 | | |
| 2025-06-30 09:00 | 100.28 | | |
| 2025-06-30 08:00 | 100.63 | | |
| 2025-06-30 07:00 | 102.59 | | |
| 2025-06-30 06:00 | 100.49 | | |
| 2025-06-30 05:00 | 100.49 | | |
| 2025-06-30 04:00 | 101.96 | | |
| 2025-06-30 03:00 | 101.22 | | |
| 2025-06-30 02:00 | 96.05 | | |
| 2025-06-30 01:00 | 88.06 | | |
| 2025-06-30 00:00 | 85.22 | | |
| 2025-06-29 23:00 | 81.74 | | |
| 2025-06-29 22:00 | 78.41 | | |
| 2025-06-29 21:00 | 78.65 | | |
| 2025-06-29 20:00 | 76.45 | | |
| 2025-06-29 19:00 | 76.31 | | |
| 2025-06-29 18:00 | 81.85 | | |
| 2025-06-29 17:00 | 86.35 | | |
| 2025-06-29 16:00 | 90.54 | | |
| 2025-06-29 15:00 | 94.6 | | |
| 2025-06-29 14:00 | 94.95 | | |
| 2025-06-29 13:00 | 97.23 | | |
| 2025-06-29 12:00 | 98.94 | | |
| 2025-06-29 11:00 | 99.14 | | |
| 2025-06-29 10:00 | 100.75 | | |
| 2025-06-29 09:00 | 101.21 | | |
| 2025-06-29 08:00 | 98.84 | | |
| 2025-06-29 07:00 | 101.35 | | |
| 2025-06-29 06:00 | 102.75 | | |
| 2025-06-29 05:00 | 102.03 | | |
| 2025-06-29 04:00 | 106.58 | | |
| 2025-06-29 03:00 | 109.67 | | |
| 2025-06-29 02:00 | 107.81 | | |
| 2025-06-29 01:00 | 106.23 | | |
| 2025-06-29 00:00 | 102.52 | | |
| 2025-06-28 23:00 | 99 | | |
| 2025-06-28 22:00 | 97.49 | | |
| 2025-06-28 21:00 | 95.73 | | |
| 2025-06-28 20:00 | 93.57 | | |
| 2025-06-28 19:00 | 94.42 | | |
| 2025-06-28 18:00 | 92.77 | | |
| 2025-06-28 17:00 | 93.65 | | |
| 2025-06-28 16:00 | 92.64 | | |
| 2025-06-28 15:00 | 83.16 | | |
| 2025-06-28 14:00 | 79.96 | | |
| 2025-06-28 13:00 | 77.26 | | |
| 2025-06-28 12:00 | 72.88 | | |
| 2025-06-28 11:00 | 76.07 | | |
| 2025-06-28 10:00 | 77.93 | | |
| 2025-06-28 09:00 | 79.19 | | |
| 2025-06-28 08:00 | 83.85 | | |
| 2025-06-28 07:00 | 85 | | |
| 2025-06-28 06:00 | 89.75 | | |
| 2025-06-28 05:00 | 91.4 | | |
| 2025-06-28 04:00 | 93.26 | | |
| 2025-06-28 03:00 | 99.97 | | |
| 2025-06-28 02:00 | 99 | | |
| 2025-06-28 01:00 | 98.67 | | |
| 2025-06-28 00:00 | 96.68 | | |
| 2025-06-27 23:00 | 96.05 | | |
| 2025-06-27 22:00 | 94.63 | | |
| 2025-06-27 21:00 | 93.88 | | |
| 2025-06-27 20:00 | 96.97 | | |
| 2025-06-27 19:00 | 97.91 | | |
| 2025-06-27 18:00 | 99.76 | | |
| 2025-06-27 17:00 | 100.18 | | |
| 2025-06-27 16:00 | 101.46 | | |
| 2025-06-27 15:00 | 99.11 | | |
| 2025-06-27 14:00 | 99.12 | | |
| 2025-06-27 13:00 | 96.98 | | |
| 2025-06-27 12:00 | 94.82 | | |
| 2025-06-27 11:00 | 89.99 | | |
| 2025-06-27 10:00 | 91.92 | | |
| 2025-06-27 09:00 | 87.2 | | |
| 2025-06-27 08:00 | 85.1 | | |
| 2025-06-27 07:00 | 82.02 | | |
| 2025-06-27 06:00 | 80.25 | | |
| 2025-06-27 05:00 | 80.44 | | |
| 2025-06-27 04:00 | 84.16 | | |
| 2025-06-27 03:00 | 84.53 | | |
| 2025-06-27 02:00 | 87.69 | | |
| 2025-06-27 01:00 | 91.81 | | |
| 2025-06-27 00:00 | 90.62 | | |
| 2025-06-26 23:00 | 89.95 | | |
| 2025-06-26 22:00 | 92.1 | | |
| 2025-06-26 21:00 | 93.26 | | |
| 2025-06-26 20:00 | 97.47 | | |
| 2025-06-26 19:00 | 101.48 | | |
| 2025-06-26 18:00 | 107.7 | | |
| 2025-06-26 17:00 | 111.74 | | |
| 2025-06-26 16:00 | 114.52 | | |
| 2025-06-26 15:00 | 119.89 | | |
| 2025-06-26 14:00 | 120.26 | | |
| 2025-06-26 13:00 | 116.68 | | |
| 2025-06-26 12:00 | 121.96 | | |
| 2025-06-26 11:00 | 122.9 | | |
| 2025-06-26 10:00 | 117.82 | | |
| 2025-06-26 09:00 | 117.81 | | |
| 2025-06-26 08:00 | 115.03 | | |
| 2025-06-26 07:00 | 108.92 | | |
| 2025-06-26 06:00 | 104.82 | | |
| 2025-06-26 05:00 | 103.23 | | |
| 2025-06-26 04:00 | 102.97 | | |
| 2025-06-26 03:00 | 102.34 | | |
| 2025-06-26 02:00 | 99.86 | | |
| 2025-06-26 01:00 | 95.54 | | |
| 2025-06-26 00:00 | 95.26 | | |
| 2025-06-25 23:00 | 91.72 | | |
| 2025-06-25 22:00 | 89.9 | | |
| 2025-06-25 21:00 | 87.17 | | |
| 2025-06-25 20:00 | 84.57 | | |
| 2025-06-25 19:00 | 83.09 | | |
| 2025-06-25 18:00 | 85.45 | | |
| 2025-06-25 17:00 | 90.78 | | |
| 2025-06-25 16:00 | 93.43 | | |
| 2025-06-25 15:00 | 96.92 | | |
| 2025-06-25 14:00 | 99.12 | | |
| 2025-06-25 13:00 | 100.56 | | |
| 2025-06-25 12:00 | 101.49 | | |
| 2025-06-25 11:00 | 101.41 | | |
| 2025-06-25 10:00 | 101.41 | | |
| 2025-06-25 09:00 | 101.37 | | |
| 2025-06-25 08:00 | 101.01 | | |
| 2025-06-25 07:00 | 99.86 | | |
| 2025-06-25 06:00 | 95.77 | | |
| 2025-06-25 05:00 | 92.67 | | |
| 2025-06-25 04:00 | 97.8 | | |
| 2025-06-25 03:00 | 97.81 | | |
| 2025-06-25 02:00 | 94.7 | | |
| 2025-06-25 01:00 | 92.54 | | |
| 2025-06-25 00:00 | 91.29 | | |
| 2025-06-24 23:00 | 88.87 | | |
| 2025-06-24 22:00 | 88.83 | | |
| 2025-06-24 21:00 | 85.62 | | |
| 2025-06-24 20:00 | 86.63 | | |
| 2025-06-24 19:00 | 85.94 | | |
| 2025-06-24 18:00 | 85.8 | | |
| 2025-06-24 17:00 | 93.43 | | |
| 2025-06-24 16:00 | 91.5 | | |
| 2025-06-24 15:00 | 92.84 | | |
| 2025-06-24 14:00 | 100.24 | | |
| 2025-06-24 13:00 | 103.28 | | |
| 2025-06-24 12:00 | 105.45 | | |
| 2025-06-24 11:00 | 108.85 | | |
| 2025-06-24 10:00 | 110.76 | | |
| 2025-06-24 09:00 | 113.76 | | |
| 2025-06-24 08:00 | 117.5 | | |
| 2025-06-24 07:00 | 117.31 | | |
| 2025-06-24 06:00 | 119.39 | | |
| 2025-06-24 05:00 | 125.21 | | |
| 2025-06-24 04:00 | 124.36 | | |
| 2025-06-24 03:00 | 127.41 | | |
| 2025-06-24 02:00 | 122.94 | | |
| 2025-06-24 01:00 | 114.85 | | |
| 2025-06-24 00:00 | 109.97 | | |
| 2025-06-23 23:00 | 107.98 | | |
| 2025-06-23 22:00 | 101.75 | | |
| 2025-06-23 21:00 | 99.38 | | |
| 2025-06-23 20:00 | 97.63 | | |
| 2025-06-23 19:00 | 94.82 | | |
| 2025-06-23 18:00 | 94.29 | | |
| 2025-06-23 17:00 | 90.65 | | |
| 2025-06-23 16:00 | 89.03 | | |
| 2025-06-23 15:00 | 86.65 | | |
| 2025-06-23 14:00 | 83.83 | | |
| 2025-06-23 13:00 | 79.7 | | |
| 2025-06-23 12:00 | 78.02 | | |
| 2025-06-23 11:00 | 76.85 | | |
| 2025-06-23 10:00 | 77.82 | | |
| 2025-06-23 09:00 | 77.5 | | |
| 2025-06-23 08:00 | 80.87 | | |
| 2025-06-23 07:00 | 81.99 | | |
| 2025-06-23 06:00 | 85.41 | | |
| 2025-06-23 05:00 | 91.81 | | |
| 2025-06-23 04:00 | 93.61 | | |
| 2025-06-23 03:00 | 98.24 | | |
| 2025-06-23 02:00 | 101.85 | | |
| 2025-06-23 01:00 | 104.2 | | |
| 2025-06-23 00:00 | 101.24 | | |
| 2025-06-22 23:00 | 98.69 | | |
| 2025-06-22 22:00 | 94.95 | | |
| 2025-06-22 21:00 | 96.15 | | |
| 2025-06-22 20:00 | 91.09 | | |
| 2025-06-22 19:00 | 88.85 | | |
| 2025-06-22 18:00 | 89 | | |
| 2025-06-22 17:00 | 89.41 | | |
| 2025-06-22 16:00 | 90.75 | | |
| 2025-06-22 15:00 | 89.79 | | |
| 2025-06-22 14:00 | 89.83 | | |
| 2025-06-22 13:00 | 89.54 | | |
| 2025-06-22 12:00 | 86.12 | | |
| 2025-06-22 11:00 | 86.9 | | |
| 2025-06-22 10:00 | 87.63 | | |
| 2025-06-22 09:00 | 86.65 | | |
| 2025-06-22 08:00 | 90.75 | | |
| 2025-06-22 07:00 | 89.86 | | |
| 2025-06-22 06:00 | 89.64 | | |
| 2025-06-22 05:00 | 92.95 | | |
| 2025-06-22 04:00 | 99.24 | | |
| 2025-06-22 03:00 | 99.49 | | |
| 2025-06-22 02:00 | 100 | | |
| 2025-06-22 01:00 | 98.86 | | |
| 2025-06-22 00:00 | 96.36 | | |
| 2025-06-21 23:00 | 93.91 | | |
| 2025-06-21 22:00 | 92.57 | | |
| 2025-06-21 21:00 | 93.12 | | |
| 2025-06-21 20:00 | 100.39 | | |
| 2025-06-21 19:00 | 103.86 | | |
| 2025-06-21 18:00 | 106.7 | | |
| 2025-06-21 17:00 | 110.38 | | |
| 2025-06-21 16:00 | 105.74 | | |
| 2025-06-21 15:00 | 105.03 | | |
| 2025-06-21 14:00 | 105.78 | | |
| 2025-06-21 13:00 | 103.68 | | |
| 2025-06-21 12:00 | 106.74 | | |
| 2025-06-21 11:00 | 109.47 | | |
| 2025-06-21 10:00 | 98.57 | | |
| 2025-06-21 09:00 | 97.5 | | |
| 2025-06-21 08:00 | 97.78 | | |
| 2025-06-21 07:00 | 96.57 | | |
| 2025-06-21 06:00 | 97.4 | | |
| 2025-06-21 05:00 | 96.05 | | |
| 2025-06-21 04:00 | 100.75 | | |
| 2025-06-21 03:00 | 99.73 | | |
| 2025-06-21 02:00 | 95.84 | | |
| 2025-06-21 01:00 | 93.13 | | |
| 2025-06-21 00:00 | 95.27 | | |
| 2025-06-20 23:00 | 89.48 | | |
| 2025-06-20 22:00 | 89.68 | | |
| 2025-06-20 21:00 | 95.68 | | |
| 2025-06-20 20:00 | 98.29 | | |
| 2025-06-20 19:00 | 99.04 | | |
| 2025-06-20 18:00 | 101.69 | | |
| 2025-06-20 17:00 | 103.04 | | |
| 2025-06-20 16:00 | 103.88 | | |
| 2025-06-20 15:00 | 104.51 | | |
| 2025-06-20 14:00 | 104.12 | | |
| 2025-06-20 13:00 | 103.13 | | |
| 2025-06-20 12:00 | 102.93 | | |
| 2025-06-20 11:00 | 102.45 | | |
| 2025-06-20 10:00 | 103.89 | | |
| 2025-06-20 09:00 | 104.54 | | |
| 2025-06-20 08:00 | 104.38 | | |
| 2025-06-20 07:00 | 105.05 | | |
| 2025-06-20 06:00 | 106.65 | | |
| 2025-06-20 05:00 | 109.54 | | |
| 2025-06-20 04:00 | 111.5 | | |
| 2025-06-20 03:00 | 113.22 | | |
| 2025-06-20 02:00 | 116.66 | | |
| 2025-06-20 01:00 | 114.2 | | |
| 2025-06-20 00:00 | 109.68 | | |
| 2025-06-19 23:00 | 108.4 | | |
| 2025-06-19 22:00 | 104.06 | | |
| 2025-06-19 21:00 | 100.51 | | |
| 2025-06-19 20:00 | 98.5 | | |
| 2025-06-19 19:00 | 97.69 | | |
| 2025-06-19 18:00 | 92.4 | | |
| 2025-06-19 17:00 | 93.15 | | |