John Day Dam
Monday July 13, 2026
| Hour | Total Outflow kcfs | Generation Flow kcfs | Spill kcfs | Forebay Elevation | Tailwater Elevation | Average Head |
| 1 | 107.60 | 58.40 | 46.40 | 263.51 | 160.32 | 103.19 |
| 2 | 104.80 | 57.90 | 46.00 | 263.51 | 160.13 | 103.38 |
| 3 | 104.80 | 57.90 | 46.00 | 263.42 | 160.11 | 103.31 |
| 4 | 104.00 | 57.10 | 46.00 | 263.42 | 160.02 | 103.40 |
| 5 | 103.70 | 56.80 | 46.00 | 263.52 | 159.82 | 103.70 |
| 6 | 105.50 | 58.60 | 46.00 | 263.61 | 159.72 | 103.89 |
| 7 | 120.40 | 73.50 | 46.00 | 263.52 | 159.92 | 103.60 |
| 8 | 123.10 | 74.40 | 46.00 | 263.52 | 160.12 | 103.40 |
| 9 | 124.10 | 75.40 | 46.00 | 263.51 | 160.12 | 103.39 |
| 10 | 128.20 | 79.50 | 46.00 | 263.62 | 160.00 | 103.62 |
| 11 | 127.20 | 80.30 | 46.00 | 263.62 | 160.12 | 103.50 |
| 12 | 129.60 | 81.00 | 46.00 | 263.72 | 160.02 | 103.70 |
| 13 | 127.40 | 80.50 | 46.00 | 263.72 | 160.02 | 103.70 |
| 14 | 127.90 | 81.00 | 46.00 | 263.72 | 160.02 | 103.70 |
| 15 | 147.00 | 100.20 | 46.00 | 263.62 | 160.32 | 103.30 |
| 16 | 146.00 | 99.20 | 46.00 | 263.62 | 160.12 | 103.50 |
| 17 | 147.10 | 100.20 | 46.00 | 263.62 | 160.92 | 102.70 |
| 18 | 169.70 | 122.80 | 46.00 | 263.52 | 161.22 | 102.30 |
| 19 | 171.40 | 124.50 | 45.90 | 263.51 | 161.52 | 101.99 |
| 20 | 172.50 | 125.60 | 45.90 | 263.52 | 161.62 | 101.90 |
| 21 | 173.10 | 126.30 | 45.90 | 263.42 | 161.62 | 101.80 |
| 22 | 171.80 | 125.00 | 45.90 | 263.41 | 161.17 | 102.24 |
| 23 | 147.80 | 99.20 | 45.90 | 263.52 | 160.72 | 102.80 |
| 24 | 125.50 | 78.60 | 45.90 | 263.52 | 160.32 | 103.20 |
|
| AVG | 133.76 | 86.41 | 45.99 | 263.55 | 160.42 | 103.13 |
|
| MAX | 173.10 | 126.30 | 46.40 | 263.72 | 161.62 | 103.89 |
| MIN | 103.70 | 56.80 | 45.90 | 263.41 | 159.72 | 101.80 |