John Day Dam
Monday December 22, 2025
| Hour | Total Outflow kcfs | Generation Flow kcfs | Spill kcfs | Forebay Elevation | Tailwater Elevation | Average Head |
| 1 | 211.70 | 210.90 | 0.00 | 262.71 | 162.32 | 100.39 |
| 2 | 213.20 | 212.40 | 0.00 | 262.71 | 162.22 | 100.49 |
| 3 | 213.10 | 212.30 | 0.00 | 262.71 | 162.22 | 100.49 |
| 4 | 212.90 | 212.10 | 0.00 | 262.76 | 162.12 | 100.64 |
| 5 | 211.70 | 210.90 | 0.00 | 262.81 | 162.22 | 100.59 |
| 6 | 211.90 | 211.10 | 0.00 | 262.81 | 162.22 | 100.59 |
| 7 | 211.80 | 211.00 | 0.00 | 262.81 | 162.22 | 100.59 |
| 8 | 209.60 | 208.80 | 0.00 | 262.82 | 162.02 | 100.80 |
| 9 | 187.50 | 186.70 | 0.00 | 262.91 | 161.72 | 101.19 |
| 10 | 187.20 | 186.40 | 0.00 | 262.91 | 161.75 | 101.16 |
| 11 | 187.60 | 186.80 | 0.00 | 263.01 | 161.62 | 101.39 |
| 12 | 169.30 | 168.50 | 0.00 | 263.11 | 161.42 | 101.69 |
| 13 | 170.60 | 168.00 | 0.00 | 263.11 | 161.32 | 101.79 |
| 14 | 170.00 | 169.20 | 0.00 | 263.21 | 161.82 | 101.39 |
| 15 | 173.10 | 172.30 | 0.00 | 263.32 | 161.62 | 101.70 |
| 16 | 172.60 | 170.00 | 0.00 | 263.32 | 161.62 | 101.70 |
| 17 | 179.40 | 178.60 | 0.00 | 263.32 | 161.92 | 101.40 |
| 18 | 200.10 | 197.50 | 0.00 | 263.32 | 162.32 | 101.00 |
| 19 | 200.70 | 199.90 | 0.00 | 263.41 | 162.22 | 101.19 |
| 20 | 202.40 | 201.60 | 0.00 | 263.41 | 162.32 | 101.09 |
| 21 | 202.60 | 201.80 | 0.00 | 263.32 | 162.42 | 100.90 |
| 22 | 203.20 | 202.40 | 0.00 | 263.32 | 162.42 | 100.90 |
| 23 | 202.30 | 201.50 | 0.00 | 263.32 | 162.22 | 101.10 |
| 24 | 202.30 | 201.50 | 0.00 | 263.32 | 162.02 | 101.30 |
|
| AVG | 196.12 | 195.09 | 0.00 | 263.07 | 162.01 | 101.06 |
|
| MAX | 213.20 | 212.40 | 0.00 | 263.41 | 162.42 | 101.79 |
| MIN | 169.30 | 168.00 | 0.00 | 262.71 | 161.32 | 100.39 |