Lower Monumental Dam
Tuesday December 16, 2025
| Hour | Total Outflow kcfs | Generation Flow kcfs | Spill kcfs | Forebay Elevation | Tailwater Elevation | Average Head | Nav Lock Tailwater Elevation |
| 1 | 27.30 | 26.70 | 0.00 | 538.75 | 438.90 | 99.85 | 438.61 |
| 2 | 27.40 | 26.80 | 0.00 | 539.02 | 438.73 | 100.29 | 438.32 |
| 3 | 27.30 | 26.70 | 0.00 | 538.83 | 438.89 | 99.94 | 438.56 |
| 4 | 27.30 | 26.70 | 0.00 | 539.08 | 438.82 | 100.26 | 438.47 |
| 5 | 27.20 | 26.60 | 0.00 | 538.93 | 438.84 | 100.09 | 438.54 |
| 6 | 27.80 | 27.20 | 0.00 | 539.01 | 438.97 | 100.04 | 438.83 |
| 7 | 35.20 | 34.60 | 0.00 | 539.05 | 439.02 | 100.03 | 438.77 |
| 8 | 35.50 | 34.90 | 0.00 | 539.08 | 439.06 | 100.02 | 438.82 |
| 9 | 35.20 | 34.60 | 0.00 | 539.11 | 439.12 | 99.99 | 438.94 |
| 10 | 27.40 | 26.80 | 0.00 | 539.11 | 438.94 | 100.17 | 438.70 |
| 11 | 28.60 | 26.50 | 0.00 | 539.06 | 439.02 | 100.04 | 438.86 |
| 12 | 27.20 | 26.60 | 0.00 | 539.15 | 438.89 | 100.26 | 438.71 |
| 13 | 26.90 | 26.30 | 0.00 | 539.08 | 438.99 | 100.09 | 438.85 |
| 14 | 27.20 | 26.60 | 0.00 | 539.16 | 439.03 | 100.13 | 438.82 |
| 15 | 28.20 | 27.60 | 0.00 | 539.03 | 439.14 | 99.89 | 439.00 |
| 16 | 47.60 | 47.00 | 0.00 | 538.95 | 439.46 | 99.49 | 439.44 |
| 17 | 47.80 | 47.20 | 0.00 | 539.01 | 439.29 | 99.72 | 439.12 |
| 18 | 47.50 | 46.90 | 0.00 | 538.83 | 439.53 | 99.30 | 439.54 |
| 19 | 47.50 | 46.90 | 0.00 | 538.87 | 439.49 | 99.38 | 439.45 |
| 20 | 47.90 | 47.30 | 0.00 | 538.75 | 439.44 | 99.31 | 439.40 |
| 21 | 49.50 | 47.40 | 0.00 | 538.78 | 439.56 | 99.22 | 439.60 |
| 22 | 47.40 | 46.80 | 0.00 | 538.69 | 439.39 | 99.30 | 439.39 |
| 23 | 35.80 | 35.20 | 0.00 | 538.78 | 439.24 | 99.54 | 439.18 |
| 24 | 27.50 | 26.90 | 0.00 | 538.74 | 439.10 | 99.64 | 438.96 |
|
| AVG | 34.76 | 34.03 | 0.00 | 538.95 | 439.12 | 99.83 | 438.96 |
|
| MAX | 49.50 | 47.40 | 0.00 | 539.16 | 439.56 | 100.29 | 439.60 |
| MIN | 26.90 | 26.30 | 0.00 | 538.69 | 438.73 | 99.22 | 438.32 |