John Day Dam
Monday September 1, 2025
| Hour | Total Outflow kcfs | Generation Flow kcfs | Spill kcfs | Forebay Elevation | Tailwater Elevation | Average Head |
|---|
| 1 | 79.30 | 77.40 | 1.00 | 264.23 | 159.82 | 104.41 |
| 2 | 77.70 | 76.80 | 0.00 | 264.22 | 160.02 | 104.20 |
| 3 | 79.30 | 76.60 | 0.00 | 264.12 | 159.92 | 104.20 |
| 4 | 77.70 | 76.80 | 0.00 | 264.02 | 159.92 | 104.10 |
| 5 | 77.90 | 77.00 | 0.00 | 264.12 | 160.02 | 104.10 |
| 6 | 77.00 | 76.10 | 0.00 | 264.21 | 159.92 | 104.29 |
| 7 | 78.00 | 76.20 | 0.90 | 264.21 | 160.02 | 104.19 |
| 8 | 76.80 | 74.20 | 1.70 | 264.21 | 160.01 | 104.20 |
| 9 | 74.80 | 72.20 | 1.70 | 264.31 | 159.72 | 104.59 |
| 10 | 76.00 | 73.40 | 1.70 | 264.30 | 159.92 | 104.38 |
| 11 | 96.60 | 94.00 | 1.70 | 264.31 | 160.32 | 103.99 |
| 12 | 97.60 | 93.20 | 1.70 | 264.43 | 160.52 | 103.91 |
| 13 | 96.60 | 94.00 | 1.70 | 264.51 | 160.32 | 104.19 |
| 14 | 95.70 | 93.10 | 1.70 | 264.82 | 160.45 | 104.37 |
| 15 | 97.90 | 93.50 | 1.70 | 264.81 | 160.62 | 104.19 |
| 16 | 111.40 | 107.00 | 1.70 | 264.72 | 160.72 | 104.00 |
| 17 | 109.90 | 107.30 | 1.70 | 264.72 | 161.12 | 103.60 |
| 18 | 130.20 | 127.60 | 1.70 | 264.72 | 161.22 | 103.50 |
| 19 | 130.40 | 127.80 | 1.70 | 264.81 | 161.06 | 103.75 |
| 20 | 140.50 | 137.80 | 1.70 | 264.80 | 160.92 | 103.88 |
| 21 | 136.70 | 134.10 | 1.70 | 264.91 | 160.42 | 104.49 |
| 22 | 103.70 | 101.00 | 0.00 | 265.02 | 159.92 | 105.10 |
| 23 | 78.00 | 77.10 | 0.00 | 265.11 | 159.92 | 105.19 |
| 24 | 67.20 | 66.30 | 0.00 | 265.11 | 160.02 | 105.09 |
|
| AVG | 94.45 | 92.10 | 1.07 | 264.53 | 160.28 | 104.25 |
|
| MAX | 140.50 | 137.80 | 1.70 | 265.11 | 161.22 | 105.19 |
| MIN | 67.20 | 66.30 | 0.00 | 264.02 | 159.72 | 103.50 |