Lower Monumental Dam
Saturday July 18, 2026
| Hour | Total Outflow kcfs | Generation Flow kcfs | Spill kcfs | Forebay Elevation | Tailwater Elevation | Average Head | Nav Lock Tailwater Elevation |
|---|
| 1 | 34.20 | 16.50 | 17.10 | 538.02 | 437.89 | 100.13 | 437.87 |
| 2 | 30.50 | 13.00 | 16.90 | 537.91 | 437.67 | 100.24 | 437.83 |
| 3 | 30.70 | 12.90 | 17.20 | 538.01 | 437.71 | 100.30 | 437.91 |
| 4 | 30.60 | 12.80 | 17.20 | 537.88 | 437.77 | 100.11 | 437.87 |
| 5 | 30.50 | 12.80 | 17.10 | 537.92 | 437.81 | 100.11 | 437.99 |
| 6 | 30.50 | 12.80 | 17.10 | 537.84 | 437.82 | 100.02 | 438.09 |
| 7 | 30.40 | 12.70 | 17.10 | 537.85 | 437.88 | 99.97 | 438.19 |
| 8 | 30.20 | 12.50 | 17.10 | 537.81 | 437.99 | 99.82 | 438.16 |
| 9 | 30.10 | 12.50 | 17.10 | 537.76 | 438.01 | 99.75 | 438.33 |
| 10 | 30.10 | 12.40 | 17.10 | 537.74 | 438.04 | 99.70 | 438.24 |
| 11 | 30.30 | 12.60 | 17.10 | 537.72 | 438.07 | 99.65 | 438.46 |
| 12 | 30.20 | 12.50 | 17.10 | 537.73 | 437.96 | 99.77 | 438.23 |
| 13 | 30.30 | 12.70 | 17.10 | 537.71 | 437.99 | 99.72 | 438.25 |
| 14 | 33.50 | 15.90 | 16.90 | 537.66 | 437.98 | 99.68 | 438.23 |
| 15 | 30.60 | 13.00 | 17.00 | 537.64 | 437.86 | 99.78 | 438.04 |
| 16 | 30.30 | 12.70 | 17.00 | 537.58 | 437.94 | 99.64 | |
| 17 | 30.10 | 12.50 | 17.00 | 537.72 | 437.77 | 99.95 | |
| 18 | 30.30 | 12.50 | 17.10 | 537.76 | 437.76 | 100.00 | |
| 19 | 30.50 | 12.80 | 17.10 | 537.90 | 437.82 | 100.08 | |
| 20 | 34.70 | 16.90 | 17.20 | 537.98 | 437.81 | 100.17 | |
| 21 | 34.90 | 17.10 | 17.20 | 538.07 | 437.81 | 100.26 | |
| 22 | 34.90 | 17.10 | 17.30 | 538.05 | 437.76 | 100.29 | |
| 23 | 34.60 | 16.80 | 17.20 | 538.05 | 438.00 | 100.05 | |
| 24 | 31.40 | 12.30 | 17.00 | 537.82 | 437.67 | 100.15 | |
|
| AVG | 31.43 | 13.68 | 17.10 | 537.84 | 437.87 | 99.97 | 438.12 |
|
| MAX | 34.90 | 17.10 | 17.30 | 538.07 | 438.07 | 100.30 | 438.46 |
| MIN | 30.10 | 12.30 | 16.90 | 537.58 | 437.67 | 99.64 | 437.83 |