Lower Monumental Dam
Monday September 14, 2026
| Hour | Total Outflow kcfs | Generation Flow kcfs | Spill kcfs | Forebay Elevation | Tailwater Elevation | Average Head | Nav Lock Tailwater Elevation |
|---|
| 1 | 18.10 | 17.50 | 0.00 | 538.30 | 438.84 | 99.46 | 438.96 |
| 2 | 19.60 | 17.50 | 0.00 | 538.30 | 438.68 | 99.62 | 438.78 |
| 3 | 18.10 | 17.50 | 0.00 | 538.34 | 438.74 | 99.60 | 438.84 |
| 4 | 17.80 | 17.20 | 0.00 | 538.35 | 438.69 | 99.66 | 438.75 |
| 5 | 17.70 | 17.10 | 0.00 | 538.37 | 438.62 | 99.75 | 438.62 |
| 6 | 23.50 | 14.10 | 7.30 | 538.27 | 438.18 | 100.09 | 438.79 |
| 7 | 21.60 | 13.10 | 7.90 | 538.47 | 438.14 | 100.33 | 438.81 |
| 8 | 25.30 | 16.90 | 7.80 | 538.19 | 438.34 | 99.85 | 438.84 |
| 9 | 23.40 | 15.00 | 7.90 | 538.53 | 438.14 | 100.39 | 438.74 |
| 10 | 23.10 | 14.60 | 7.90 | 538.23 | 438.30 | 99.93 | 438.80 |
| 11 | 23.60 | 15.20 | 7.80 | 538.54 | 438.25 | 100.29 | 438.89 |
| 12 | 21.40 | 12.80 | 8.00 | 538.30 | 438.30 | 100.00 | 439.01 |
| 13 | 20.70 | 12.30 | 7.80 | 538.40 | 438.36 | 100.04 | 439.20 |
| 14 | 20.90 | 12.50 | 7.80 | 538.50 | 438.32 | 100.18 | 438.99 |
| 15 | 21.00 | 12.60 | 7.90 | 538.34 | 438.47 | 99.87 | 439.11 |
| 16 | 22.40 | 12.60 | 9.20 | 538.55 | 438.48 | 100.07 | 439.33 |
| 17 | 21.10 | 12.50 | 7.90 | 538.41 | 438.61 | 99.80 | 439.17 |
| 18 | 19.60 | 17.40 | 0.10 | 538.64 | 439.13 | 99.51 | 439.44 |
| 19 | 17.40 | 16.80 | 0.00 | 538.33 | 439.10 | 99.23 | 439.41 |
| 20 | 18.50 | 16.40 | 0.00 | 538.59 | 438.99 | 99.60 | 439.21 |
| 21 | 19.10 | 18.50 | 0.00 | 538.30 | 439.00 | 99.30 | 439.32 |
| 22 | 19.21 | 18.60 | 0.00 | 538.49 | 439.16 | 99.33 | 439.57 |
| 23 | 19.10 | 18.50 | 0.00 | 538.36 | 439.07 | 99.29 | 439.39 |
| 24 | 18.80 | 18.20 | 0.00 | 538.41 | 439.15 | 99.26 | 439.48 |
|
| AVG | 20.46 | 15.64 | 3.97 | 538.40 | 438.63 | 99.77 | 439.06 |
|
| MAX | 25.30 | 18.60 | 9.20 | 538.64 | 439.16 | 100.39 | 439.57 |
| MIN | 17.40 | 12.30 | 0.00 | 538.19 | 438.14 | 99.23 | 438.62 |