John Day Dam
Thursday April 9, 2026
| Hour | Total Outflow kcfs | Generation Flow kcfs | Spill kcfs | Forebay Elevation | Tailwater Elevation | Average Head |
|---|
| 1 | 190.30 | 179.60 | 9.70 | 265.32 | 161.02 | 104.30 |
| 2 | 191.60 | 179.10 | 9.70 | 265.42 | 161.10 | 104.32 |
| 3 | 188.80 | 178.20 | 9.80 | 265.42 | 161.32 | 104.10 |
| 4 | 191.10 | 178.60 | 9.80 | 265.42 | 161.32 | 104.10 |
| 5 | 188.70 | 178.00 | 9.80 | 265.42 | 161.72 | 103.70 |
| 6 | 207.30 | 196.70 | 9.70 | 265.32 | 162.22 | 103.10 |
| 7 | 207.90 | 197.30 | 9.70 | 265.32 | 162.12 | 103.20 |
| 8 | 192.70 | 182.00 | 9.80 | 265.42 | 162.32 | 103.10 |
| 9 | 188.10 | 177.50 | 9.80 | 265.52 | 162.07 | 103.45 |
| 10 | 160.70 | 150.00 | 9.80 | 265.52 | 161.62 | 103.90 |
| 11 | 141.20 | 130.50 | 9.80 | 265.62 | 161.42 | 104.20 |
| 12 | 136.00 | 125.30 | 9.80 | 265.62 | 161.22 | 104.40 |
| 13 | 137.90 | 127.30 | 9.80 | 265.62 | 160.92 | 104.70 |
| 14 | 141.00 | 130.30 | 9.80 | 265.62 | 160.72 | 104.90 |
| 15 | 141.60 | 130.90 | 9.80 | 265.62 | 160.42 | 105.20 |
| 16 | 140.90 | 130.30 | 9.80 | 265.62 | 160.52 | 105.10 |
| 17 | 158.40 | 147.70 | 9.80 | 265.62 | 160.72 | 104.90 |
| 18 | 181.90 | 171.20 | 9.80 | 265.42 | 161.02 | 104.40 |
| 19 | 199.60 | 189.00 | 9.80 | 265.42 | 161.12 | 104.30 |
| 20 | 200.80 | 190.10 | 9.80 | 265.42 | 161.52 | 103.90 |
| 21 | 204.00 | 191.50 | 9.80 | 265.52 | 161.82 | 103.70 |
| 22 | 196.80 | 186.10 | 9.80 | 265.62 | 161.82 | 103.80 |
| 23 | 198.80 | 188.10 | 9.80 | 265.52 | 161.92 | 103.60 |
| 24 | 192.00 | 163.30 | 27.80 | 265.32 | 162.22 | 103.10 |
|
| AVG | 178.25 | 166.61 | 10.53 | 265.49 | 161.43 | 104.06 |
|
| MAX | 207.90 | 197.30 | 27.80 | 265.62 | 162.32 | 105.20 |
| MIN | 136.00 | 125.30 | 9.70 | 265.32 | 160.42 | 103.10 |