John Day Dam
Tuesday April 7, 2026
| Hour | Total Outflow kcfs | Generation Flow kcfs | Spill kcfs | Forebay Elevation | Tailwater Elevation | Average Head |
| 1 | 199.80 | 189.10 | 9.80 | 265.42 | 161.92 | 103.50 |
| 2 | 199.70 | 189.00 | 9.80 | 265.42 | 161.72 | 103.70 |
| 3 | 198.40 | 187.70 | 9.80 | 265.42 | 161.92 | 103.50 |
| 4 | 198.30 | 187.60 | 9.70 | 265.32 | 161.74 | 103.58 |
| 5 | 199.20 | 188.50 | 9.70 | 265.32 | 161.63 | 103.69 |
| 6 | 198.20 | 187.60 | 9.70 | 265.22 | 161.72 | 103.50 |
| 7 | 199.00 | 188.40 | 9.70 | 265.22 | 162.02 | 103.20 |
| 8 | 201.10 | 190.50 | 9.70 | 265.22 | 161.82 | 103.40 |
| 9 | 188.70 | 178.10 | 9.70 | 265.22 | 161.82 | 103.40 |
| 10 | 182.10 | 171.50 | 9.70 | 265.02 | 161.42 | 103.60 |
| 11 | 180.00 | 169.40 | 9.70 | 264.92 | 161.42 | 103.50 |
| 12 | 184.40 | 172.00 | 9.70 | 264.82 | 161.52 | 103.30 |
| 13 | 180.40 | 169.90 | 9.70 | 264.82 | 161.12 | 103.70 |
| 14 | 178.80 | 168.20 | 9.70 | 264.82 | 161.02 | 103.80 |
| 15 | 181.00 | 170.40 | 9.70 | 264.92 | 161.02 | 103.90 |
| 16 | 181.40 | 170.80 | 9.70 | 264.92 | 161.32 | 103.60 |
| 17 | 189.70 | 177.30 | 9.70 | 264.92 | 161.22 | 103.70 |
| 18 | 190.30 | 179.70 | 9.70 | 264.82 | 161.02 | 103.80 |
| 19 | 202.40 | 191.80 | 9.70 | 264.82 | 161.02 | 103.80 |
| 20 | 201.40 | 190.80 | 9.70 | 264.92 | 161.22 | 103.70 |
| 21 | 202.90 | 192.30 | 9.70 | 265.12 | 161.22 | 103.90 |
| 22 | 203.00 | 192.40 | 9.70 | 265.12 | 161.32 | 103.80 |
| 23 | 211.60 | 201.00 | 9.70 | 265.12 | 161.62 | 103.50 |
| 24 | 209.20 | 198.60 | 9.70 | 265.12 | 161.22 | 103.90 |
|
| AVG | 194.21 | 183.44 | 9.71 | 265.08 | 161.46 | 103.62 |
|
| MAX | 211.60 | 201.00 | 9.80 | 265.42 | 162.02 | 103.90 |
| MIN | 178.80 | 168.20 | 9.70 | 264.82 | 161.02 | 103.20 |