Lower Monumental Dam
Wednesday September 16, 2026
| Hour | Total Outflow kcfs | Generation Flow kcfs | Spill kcfs | Forebay Elevation | Tailwater Elevation | Average Head | Nav Lock Tailwater Elevation |
|---|
| 1 | 13.20 | 12.60 | 0.00 | 538.65 | 439.67 | 98.98 | 438.72 |
| 2 | 13.00 | 12.40 | 0.00 | 538.36 | 438.83 | 99.53 | 438.96 |
| 3 | 13.00 | 12.40 | 0.00 | 538.57 | 438.91 | 99.66 | 439.14 |
| 4 | 13.20 | 12.60 | 0.00 | 538.43 | 438.77 | 99.66 | 438.90 |
| 5 | 18.30 | 17.70 | 0.00 | 538.46 | 438.89 | 99.57 | 439.08 |
| 6 | 26.50 | 18.00 | 7.90 | 538.45 | 438.52 | 99.93 | 439.19 |
| 7 | 23.90 | 15.40 | 7.90 | 538.41 | 438.44 | 99.97 | 439.12 |
| 8 | 25.30 | 15.20 | 8.00 | 538.52 | 438.63 | 99.89 | 439.34 |
| 9 | 23.50 | 15.00 | 7.90 | 538.37 | 438.39 | 99.98 | 439.02 |
| 10 | 23.70 | 15.20 | 7.90 | 538.46 | 438.66 | 99.80 | 439.44 |
| 11 | 23.70 | 15.10 | 7.90 | 538.38 | 438.49 | 99.89 | 439.23 |
| 12 | 23.60 | 15.10 | 7.90 | 538.38 | 438.40 | 99.98 | 439.07 |
| 13 | 23.70 | 15.20 | 7.90 | 538.42 | 438.51 | 99.91 | 439.24 |
| 14 | 23.40 | 15.00 | 7.90 | 538.39 | 438.43 | 99.96 | 439.09 |
| 15 | 23.10 | 14.60 | 7.90 | 538.38 | 438.49 | 99.89 | 439.29 |
| 16 | 25.20 | 15.20 | 7.80 | 538.35 | 438.51 | 99.84 | 439.17 |
| 17 | 23.70 | 15.20 | 7.80 | 538.40 | 438.48 | 99.92 | 438.80 |
| 18 | 17.80 | 17.12 | 0.00 | 538.34 | 439.03 | 99.31 | 439.33 |
| 19 | 17.80 | 17.20 | 0.00 | 538.30 | 438.84 | 99.46 | 439.02 |
| 20 | 17.90 | 17.30 | 0.00 | 538.35 | 438.79 | 99.56 | 438.96 |
| 21 | 18.00 | 17.40 | 0.00 | 538.25 | 438.85 | 99.40 | 438.97 |
| 22 | 18.00 | 17.40 | 0.00 | 538.48 | 438.76 | 99.72 | 438.89 |
| 23 | 18.00 | 17.20 | 0.00 | 538.19 | 438.67 | 99.52 | 438.73 |
| 24 | 14.90 | 12.80 | 0.00 | 538.39 | 438.68 | 99.71 | 438.50 |
|
| AVG | 20.10 | 15.35 | 3.95 | 538.40 | 438.69 | 99.71 | 439.05 |
|
| MAX | 26.50 | 18.00 | 8.00 | 538.65 | 439.67 | 99.98 | 439.44 |
| MIN | 13.00 | 12.40 | 0.00 | 538.19 | 438.39 | 98.98 | 438.50 |