John Day Dam
Tuesday January 27, 2026
| Hour | Total Outflow kcfs | Generation Flow kcfs | Spill kcfs | Forebay Elevation | Tailwater Elevation | Average Head |
| 1 | 171.90 | 171.30 | 0.00 | 264.42 | 161.12 | 103.30 |
| 2 | 172.10 | 171.50 | 0.00 | 264.52 | 161.32 | 103.20 |
| 3 | 172.50 | 171.90 | 0.00 | 264.52 | 161.22 | 103.30 |
| 4 | 174.10 | 171.70 | 0.00 | 264.52 | 161.47 | 103.05 |
| 5 | 173.00 | 172.40 | 0.00 | 264.62 | 162.12 | 102.50 |
| 6 | 173.20 | 172.60 | 0.00 | 264.62 | 161.82 | 102.80 |
| 7 | 172.80 | 172.20 | 0.00 | 264.62 | 161.82 | 102.80 |
| 8 | 171.40 | 170.80 | 0.00 | 264.72 | 161.62 | 103.10 |
| 9 | 173.50 | 171.10 | 0.00 | 264.72 | 161.42 | 103.30 |
| 10 | 171.10 | 170.50 | 0.00 | 264.72 | 161.42 | 103.30 |
| 11 | 170.90 | 170.30 | 0.00 | 264.72 | 161.02 | 103.70 |
| 12 | 171.10 | 170.50 | 0.00 | 264.82 | 160.92 | 103.90 |
| 13 | 170.40 | 169.80 | 0.00 | 264.82 | 160.59 | 104.23 |
| 14 | 172.30 | 169.90 | 0.00 | 264.82 | 161.12 | 103.70 |
| 15 | 170.50 | 169.90 | 0.00 | 264.92 | 161.22 | 103.70 |
| 16 | 170.90 | 170.30 | 0.00 | 264.92 | 161.42 | 103.50 |
| 17 | 171.90 | 171.30 | 0.00 | 264.92 | 161.52 | 103.40 |
| 18 | 170.40 | 169.80 | 0.00 | 265.02 | 161.32 | 103.70 |
| 19 | 169.90 | 169.30 | 0.00 | 265.02 | 161.02 | 104.00 |
| 20 | 170.20 | 169.60 | 0.00 | 265.02 | 160.92 | 104.10 |
| 21 | 170.30 | 169.70 | 0.00 | 265.12 | 160.72 | 104.40 |
| 22 | 170.60 | 170.00 | 0.00 | 265.12 | 160.58 | 104.54 |
| 23 | 171.30 | 170.70 | 0.00 | 265.12 | 160.72 | 104.40 |
| 24 | 171.40 | 170.80 | 0.00 | 265.22 | 160.72 | 104.50 |
|
| AVG | 171.57 | 170.75 | 0.00 | 264.82 | 161.21 | 103.60 |
|
| MAX | 174.10 | 172.60 | 0.00 | 265.22 | 162.12 | 104.54 |
| MIN | 169.90 | 169.30 | 0.00 | 264.42 | 160.58 | 102.50 |