John Day Dam
Friday October 1, 2021
| Hour | Total Outflow kcfs | Generation Flow kcfs | Spill kcfs | Forebay Elevation | Tailwater Elevation | Average Head |
| 1 | 58.00 | 57.20 | 0.00 | 265.53 | 159.32 | 106.21 |
| 2 | 58.20 | 57.40 | 0.00 | 265.43 | 159.30 | 106.13 |
| 3 | 58.70 | 57.90 | 0.00 | 265.43 | 159.22 | 106.21 |
| 4 | 60.40 | 59.60 | 0.00 | 265.53 | 159.32 | 106.21 |
| 5 | 60.40 | 59.60 | 0.00 | 265.43 | 159.52 | 105.91 |
| 6 | 80.00 | 79.20 | 0.00 | 265.53 | 159.50 | 106.03 |
| 7 | 82.60 | 80.00 | 0.00 | 265.43 | 159.42 | 106.01 |
| 8 | 82.10 | 79.70 | 1.50 | 265.53 | 159.42 | 106.11 |
| 9 | 69.70 | 67.30 | 1.60 | 265.73 | 159.22 | 106.51 |
| 10 | 68.90 | 66.50 | 1.60 | 265.83 | 159.70 | 106.13 |
| 11 | 67.30 | 65.00 | 1.60 | 265.63 | 159.72 | 105.91 |
| 12 | 70.40 | 66.30 | 1.60 | 265.53 | 159.72 | 105.81 |
| 13 | 71.40 | 67.20 | 1.60 | 265.53 | 159.52 | 106.01 |
| 14 | 68.90 | 66.60 | 1.60 | 265.63 | 159.72 | 105.91 |
| 15 | 68.90 | 66.60 | 1.60 | 265.73 | 159.52 | 106.21 |
| 16 | 70.00 | 67.70 | 1.60 | 265.73 | 159.62 | 106.11 |
| 17 | 80.30 | 77.90 | 1.60 | 265.63 | 159.62 | 106.01 |
| 18 | 91.40 | 89.00 | 1.60 | 265.63 | 159.82 | 105.81 |
| 19 | 101.80 | 99.40 | 1.60 | 265.63 | 159.72 | 105.91 |
| 20 | 102.30 | 100.00 | 1.60 | 265.73 | 159.52 | 106.21 |
| 21 | 100.80 | 99.20 | 0.80 | 265.83 | 159.92 | 105.91 |
| 22 | 100.70 | 98.10 | 0.00 | 265.83 | 159.42 | 106.41 |
| 23 | 81.00 | 80.20 | 0.00 | 265.83 | 159.32 | 106.51 |
| 24 | 67.50 | 66.70 | 0.00 | 265.83 | 159.42 | 106.41 |
|
| AVG | 75.90 | 73.93 | 0.90 | 265.63 | 159.52 | 106.11 |
|
| MAX | 102.30 | 100.00 | 1.60 | 265.83 | 159.92 | 106.51 |
| MIN | 58.00 | 57.20 | 0.00 | 265.43 | 159.22 | 105.81 |