John Day Dam
Wednesday January 21, 2026
| Hour | Total Outflow kcfs | Generation Flow kcfs | Spill kcfs | Forebay Elevation | Tailwater Elevation | Average Head |
| 1 | 208.30 | 207.70 | 0.00 | 266.02 | 162.72 | 103.30 |
| 2 | 206.50 | 205.90 | 0.00 | 266.02 | 162.52 | 103.50 |
| 3 | 206.10 | 205.50 | 0.00 | 266.02 | 162.52 | 103.50 |
| 4 | 209.50 | 207.10 | 0.00 | 265.92 | 162.62 | 103.30 |
| 5 | 207.80 | 207.20 | 0.00 | 265.92 | 162.32 | 103.60 |
| 6 | 208.40 | 207.80 | 0.00 | 265.92 | 162.52 | 103.40 |
| 7 | 208.40 | 207.80 | 0.00 | 265.92 | 162.62 | 103.30 |
| 8 | 208.40 | 207.80 | 0.00 | 265.92 | 162.52 | 103.40 |
| 9 | 207.30 | 206.70 | 0.00 | 265.92 | 162.22 | 103.70 |
| 10 | 207.10 | 206.50 | 0.00 | 265.82 | 162.32 | 103.50 |
| 11 | 181.20 | 180.60 | 0.00 | 265.92 | 161.52 | 104.40 |
| 12 | 184.20 | 181.80 | 0.00 | 265.92 | 161.37 | 104.55 |
| 13 | 183.40 | 182.80 | 0.00 | 265.92 | 161.72 | 104.20 |
| 14 | 182.60 | 182.00 | 0.00 | 265.92 | 161.82 | 104.10 |
| 15 | 184.70 | 184.10 | 0.00 | 266.02 | 161.92 | 104.10 |
| 16 | 192.60 | 192.00 | 0.00 | 266.12 | 161.92 | 104.20 |
| 17 | 184.60 | 184.00 | 0.00 | 266.12 | 162.02 | 104.10 |
| 18 | 205.00 | 204.40 | 0.00 | 266.02 | 162.02 | 104.00 |
| 19 | 207.70 | 205.30 | 0.00 | 266.02 | 162.32 | 103.70 |
| 20 | 209.20 | 208.60 | 0.00 | 266.02 | 162.42 | 103.60 |
| 21 | 209.70 | 209.10 | 0.00 | 266.02 | 162.02 | 104.00 |
| 22 | 209.60 | 209.00 | 0.00 | 266.02 | 162.52 | 103.50 |
| 23 | 210.40 | 209.80 | 0.00 | 266.02 | 162.32 | 103.70 |
| 24 | 208.50 | 207.90 | 0.00 | 266.02 | 162.72 | 103.30 |
|
| AVG | 201.30 | 200.48 | 0.00 | 265.98 | 162.23 | 103.75 |
|
| MAX | 210.40 | 209.80 | 0.00 | 266.12 | 162.72 | 104.55 |
| MIN | 181.20 | 180.60 | 0.00 | 265.82 | 161.37 | 103.30 |