McNary Dam
Friday May 15, 2026
| Hour | Total Outflow kcfs | Generation Flow kcfs | Spill kcfs | Forebay Elevation | Tailwater Elevation | Average Head |
| 1 | 260.90 | 54.50 | 201.70 | 338.11 | 268.10 | 70.01 |
| 2 | 259.70 | 53.10 | 202.00 | 338.15 | 267.80 | 70.35 |
| 3 | 260.50 | 53.70 | 202.20 | 338.16 | 267.84 | 70.32 |
| 4 | 260.70 | 53.80 | 202.20 | 338.17 | 267.81 | 70.36 |
| 5 | 260.30 | 53.70 | 201.90 | 338.11 | 267.89 | 70.22 |
| 6 | 260.80 | 54.30 | 201.90 | 338.15 | 267.93 | 70.22 |
| 7 | 259.70 | 53.20 | 201.90 | 338.09 | 267.92 | 70.17 |
| 8 | 259.50 | 53.20 | 201.60 | 338.05 | 268.07 | 69.98 |
| 9 | 258.40 | 53.20 | 200.60 | 337.89 | 268.07 | 69.82 |
| 10 | 259.80 | 53.90 | 201.20 | 337.81 | 268.20 | 69.61 |
| 11 | 258.10 | 55.10 | 198.30 | 337.79 | 267.91 | 69.88 |
| 12 | 242.10 | 54.80 | 182.60 | 337.78 | 267.83 | 69.95 |
| 13 | 241.90 | 55.00 | 182.20 | 337.74 | 267.79 | 69.95 |
| 14 | 241.50 | 54.50 | 182.30 | 337.79 | 267.81 | 69.98 |
| 15 | 241.00 | 53.80 | 182.50 | 337.79 | 267.58 | 70.21 |
| 16 | 241.20 | 54.20 | 182.30 | 337.72 | 267.55 | 70.17 |
| 17 | 241.30 | 54.50 | 182.10 | 337.73 | 267.64 | 70.09 |
| 18 | 241.30 | 54.20 | 182.40 | 337.76 | 267.69 | 70.07 |
| 19 | 242.60 | 55.50 | 182.40 | 337.76 | 267.80 | 69.96 |
| 20 | 240.80 | 53.90 | 182.20 | 337.71 | 267.83 | 69.88 |
| 21 | 240.20 | 53.60 | 181.90 | 337.65 | 267.74 | 69.91 |
| 22 | 240.80 | 54.20 | 181.90 | 337.70 | 267.61 | 70.09 |
| 23 | 241.00 | 54.20 | 182.10 | 337.75 | 267.61 | 70.14 |
| 24 | 240.70 | 53.80 | 182.20 | 337.73 | 267.52 | 70.21 |
|
| AVG | 249.78 | 54.08 | 191.03 | 337.88 | 267.81 | 70.06 |
|
| MAX | 260.90 | 55.50 | 202.20 | 338.17 | 268.20 | 70.36 |
| MIN | 240.20 | 53.10 | 181.90 | 337.65 | 267.52 | 69.61 |