McNary Dam
Sunday May 31, 2026
| Hour | Total Outflow kcfs | Generation Flow kcfs | Spill kcfs | Forebay Elevation | Tailwater Elevation | Average Head |
| 1 | 202.50 | 53.30 | 144.50 | 337.99 | 266.90 | 71.09 |
| 2 | 201.70 | 52.90 | 144.10 | 337.97 | 266.82 | 71.15 |
| 3 | 201.90 | 53.30 | 143.90 | 337.97 | 266.85 | 71.12 |
| 4 | 201.10 | 52.60 | 143.80 | 337.96 | 267.02 | 70.94 |
| 5 | 200.90 | 52.50 | 143.80 | 337.91 | 266.84 | 71.07 |
| 6 | 201.20 | 52.60 | 143.80 | 337.92 | 266.77 | 71.15 |
| 7 | 201.20 | 52.50 | 143.90 | 337.97 | 266.70 | 71.27 |
| 8 | 201.20 | 52.30 | 144.20 | 338.00 | 266.63 | 71.37 |
| 9 | 201.00 | 51.90 | 144.40 | 338.06 | 266.66 | 71.40 |
| 10 | 201.00 | 51.60 | 144.70 | 338.13 | 266.70 | 71.43 |
| 11 | 201.80 | 52.10 | 145.00 | 338.16 | 266.61 | 71.55 |
| 12 | 202.60 | 52.70 | 145.20 | 338.21 | 266.53 | 71.68 |
| 13 | 202.90 | 52.80 | 145.40 | 338.23 | 266.48 | 71.75 |
| 14 | 203.20 | 52.90 | 145.50 | 338.27 | 266.48 | 71.79 |
| 15 | 203.20 | 52.80 | 145.60 | 338.29 | 266.42 | 71.87 |
| 16 | 202.90 | 52.60 | 145.60 | 338.26 | 266.33 | 71.93 |
| 17 | 214.00 | 53.30 | 156.00 | 338.17 | 266.70 | 71.47 |
| 18 | 221.70 | 52.90 | 164.20 | 338.07 | 266.69 | 71.38 |
| 19 | 223.20 | 54.70 | 163.80 | 337.99 | 266.66 | 71.33 |
| 20 | 220.30 | 52.40 | 163.20 | 337.88 | 266.64 | 71.24 |
| 21 | 219.80 | 52.60 | 162.60 | 337.83 | 266.57 | 71.26 |
| 22 | 218.80 | 52.60 | 161.60 | 337.77 | 266.51 | 71.26 |
| 23 | 214.10 | 52.00 | 157.40 | 337.74 | 266.37 | 71.37 |
| 24 | 214.00 | 52.30 | 157.10 | 337.63 | 266.46 | 71.17 |
|
| AVG | 207.34 | 52.67 | 149.97 | 338.02 | 266.64 | 71.38 |
|
| MAX | 223.20 | 54.70 | 164.20 | 338.29 | 267.02 | 71.93 |
| MIN | 200.90 | 51.60 | 143.80 | 337.63 | 266.33 | 70.94 |