Lower Monumental Dam
Tuesday May 19, 2026
| Hour | Total Outflow kcfs | Generation Flow kcfs | Spill kcfs | Forebay Elevation | Tailwater Elevation | Average Head | Nav Lock Tailwater Elevation |
|---|
| 1 | 66.60 | 12.20 | 52.30 | 537.85 | 438.68 | 99.17 | 439.07 |
| 2 | 64.80 | 12.20 | 52.00 | 537.87 | 438.83 | 99.04 | 439.13 |
| 3 | 64.90 | 12.20 | 52.10 | 537.80 | 438.79 | 99.01 | 439.23 |
| 4 | 64.70 | 12.10 | 52.00 | 537.77 | 438.98 | 98.79 | 439.44 |
| 5 | 66.30 | 12.30 | 52.00 | 537.61 | 438.81 | 98.80 | 439.21 |
| 6 | 64.80 | 12.20 | 52.00 | 537.91 | 438.77 | 99.14 | 439.25 |
| 7 | 64.70 | 12.20 | 51.90 | 537.97 | 438.77 | 99.20 | 439.04 |
| 8 | 62.00 | 12.20 | 49.20 | 538.11 | 438.71 | 99.40 | 439.09 |
| 9 | 61.80 | 12.20 | 49.00 | 537.99 | 438.68 | 99.31 | 438.96 |
| 10 | 61.80 | 12.20 | 49.00 | 538.10 | 438.71 | 99.39 | 439.09 |
| 11 | 62.00 | 12.20 | 49.20 | 538.07 | 438.68 | 99.39 | 439.06 |
| 12 | 61.90 | 12.30 | 49.00 | 538.07 | 438.55 | 99.52 | 438.79 |
| 13 | 61.70 | 12.20 | 48.90 | 538.35 | 438.63 | 99.72 | 438.94 |
| 14 | 63.20 | 12.20 | 48.90 | 538.20 | 438.55 | 99.65 | 438.75 |
| 15 | 61.90 | 12.30 | 49.00 | 538.21 | 438.58 | 99.63 | 439.07 |
| 16 | 62.00 | 12.30 | 49.10 | 538.26 | 438.64 | 99.62 | 438.95 |
| 17 | 61.90 | 12.20 | 49.00 | 538.32 | 438.55 | 99.77 | 438.71 |
| 18 | 61.80 | 12.20 | 49.00 | 538.32 | 438.57 | 99.75 | 438.83 |
| 19 | 61.80 | 12.20 | 49.00 | 538.36 | 438.55 | 99.81 | 438.87 |
| 20 | 61.90 | 12.20 | 49.10 | 538.44 | 438.53 | 99.91 | 438.86 |
| 21 | 62.00 | 12.20 | 49.20 | 538.44 | 438.55 | 99.89 | 438.90 |
| 22 | 61.90 | 12.20 | 49.20 | 538.46 | 438.54 | 99.92 | 438.68 |
| 23 | 61.80 | 12.20 | 49.00 | 538.57 | 438.48 | 100.09 | 438.46 |
| 24 | 58.00 | 12.20 | 45.20 | 538.62 | 438.43 | 100.19 | 438.60 |
|
| AVG | 62.76 | 12.21 | 49.76 | 538.15 | 438.65 | 99.50 | 438.96 |
|
| MAX | 66.60 | 12.30 | 52.30 | 538.62 | 438.98 | 100.19 | 439.44 |
| MIN | 58.00 | 12.10 | 45.20 | 537.61 | 438.43 | 98.79 | 438.46 |