Lower Monumental Dam
Sunday January 4, 2026
| Hour | Total Outflow kcfs | Generation Flow kcfs | Spill kcfs | Forebay Elevation | Tailwater Elevation | Average Head | Nav Lock Tailwater Elevation |
|---|
| 1 | 27.60 | 27.40 | 0.00 | 539.01 | 438.57 | 100.44 | 438.07 |
| 2 | 26.80 | 26.60 | 0.00 | 538.59 | 438.84 | 99.75 | 438.59 |
| 3 | 26.80 | 26.60 | 0.00 | 539.00 | 438.71 | 100.29 | 438.29 |
| 4 | 26.70 | 26.50 | 0.00 | 538.68 | 438.67 | 100.01 | 438.27 |
| 5 | 26.70 | 26.50 | 0.00 | 538.98 | 438.87 | 100.11 | 438.55 |
| 6 | 27.30 | 27.10 | 0.00 | 538.73 | 438.84 | 99.89 | 438.53 |
| 7 | 45.50 | 45.30 | 0.00 | 538.74 | 439.16 | 99.58 | 439.00 |
| 8 | 59.20 | 57.50 | 0.00 | 538.87 | 439.31 | 99.56 | 439.01 |
| 9 | 57.50 | 57.30 | 0.00 | 538.77 | 439.22 | 99.55 | 438.94 |
| 10 | 51.70 | 51.50 | 0.00 | 538.98 | 439.09 | 99.89 | 438.77 |
| 11 | 50.00 | 49.80 | 0.00 | 538.84 | 439.03 | 99.81 | 438.65 |
| 12 | 50.20 | 50.00 | 0.00 | 539.03 | 439.03 | 100.00 | 438.67 |
| 13 | 50.30 | 50.10 | 0.00 | 538.81 | 439.00 | 99.81 | 438.58 |
| 14 | 51.00 | 50.80 | 0.00 | 538.73 | 438.97 | 99.76 | 438.58 |
| 15 | 51.30 | 51.10 | 0.00 | 538.50 | 439.00 | 99.50 | 438.57 |
| 16 | 58.20 | 58.00 | 0.00 | 538.48 | 439.25 | 99.23 | 438.96 |
| 17 | 70.10 | 69.90 | 0.00 | 538.57 | 439.51 | 99.06 | |
| 18 | | | | | | | |
| 19 | | | | | | | |
| 20 | | | | | | | |
| 21 | | | | | | | |
| 22 | | | | | | | |
| 23 | | | | | | | |
| 24 | | | | | | | |
|
| AVG | 44.52 | 44.24 | 0.00 | 538.78 | 439.00 | 99.78 | 438.63 |
|
| MAX | 70.10 | 69.90 | 0.00 | 539.03 | 439.51 | 100.44 | 439.01 |
| MIN | 26.70 | 26.50 | 0.00 | 538.48 | 438.57 | 99.06 | 438.07 |