Lower Monumental Dam
Monday April 13, 2026
| Hour | Total Outflow kcfs | Generation Flow kcfs | Spill kcfs | Forebay Elevation | Tailwater Elevation | Average Head | Nav Lock Tailwater Elevation |
| 1 | 72.70 | 12.40 | 59.70 | 538.25 | 439.01 | 99.24 | 439.54 |
| 2 | 74.10 | 12.30 | 61.20 | 538.39 | 438.95 | 99.44 | 439.50 |
| 3 | 74.10 | 12.30 | 61.20 | 538.35 | 438.97 | 99.38 | 439.46 |
| 4 | 74.00 | 12.20 | 61.20 | 538.40 | 438.98 | 99.42 | 439.47 |
| 5 | 74.00 | 12.20 | 61.20 | 538.36 | 438.99 | 99.37 | 439.33 |
| 6 | 74.10 | 12.30 | 61.20 | 538.38 | 439.02 | 99.36 | 439.57 |
| 7 | 74.20 | 12.30 | 61.30 | 538.40 | 439.01 | 99.39 | 439.51 |
| 8 | 74.10 | 12.30 | 61.30 | 538.38 | 439.01 | 99.37 | 439.55 |
| 9 | 74.20 | 12.30 | 61.30 | 538.41 | 439.04 | 99.37 | 439.65 |
| 10 | 74.50 | 12.50 | 61.30 | 538.40 | 439.04 | 99.36 | 439.66 |
| 11 | 74.60 | 12.50 | 61.50 | 538.41 | 439.05 | 99.36 | 439.59 |
| 12 | 74.20 | 12.20 | 61.40 | 538.43 | 439.02 | 99.41 | 439.54 |
| 13 | 71.10 | 12.40 | 58.10 | 538.44 | 439.03 | 99.41 | 439.60 |
| 14 | 71.00 | 12.40 | 58.00 | 538.39 | 439.03 | 99.36 | 439.52 |
| 15 | 71.20 | 12.40 | 58.10 | 538.41 | 439.03 | 99.38 | 439.46 |
| 16 | 71.00 | 12.30 | 58.10 | 538.41 | 439.02 | 99.39 | 439.48 |
| 17 | 71.10 | 12.30 | 58.20 | 538.40 | 439.06 | 99.34 | 439.57 |
| 18 | 71.00 | 12.40 | 58.10 | 538.40 | 439.03 | 99.37 | 439.56 |
| 19 | 70.90 | 12.40 | 58.00 | 538.44 | 439.01 | 99.43 | 439.54 |
| 20 | 70.90 | 12.20 | 58.10 | 538.45 | 438.98 | 99.47 | 439.52 |
| 21 | 71.00 | 12.30 | 58.10 | 538.46 | 438.96 | 99.50 | 439.29 |
| 22 | 70.70 | 12.20 | 57.90 | 538.45 | 438.94 | 99.51 | 439.33 |
| 23 | 70.60 | 12.20 | 57.80 | 538.46 | 438.93 | 99.53 | 439.37 |
| 24 | 70.60 | 12.20 | 57.70 | 538.44 | 438.89 | 99.55 | 439.46 |
|
| AVG | 72.50 | 12.31 | 59.58 | 538.40 | 439.00 | 99.40 | 439.51 |
|
| MAX | 74.60 | 12.50 | 61.50 | 538.46 | 439.06 | 99.55 | 439.66 |
| MIN | 70.60 | 12.20 | 57.70 | 538.25 | 438.89 | 99.24 | 439.29 |