John Day Dam
Wednesday May 13, 2026
| Hour | Total Outflow kcfs | Generation Flow kcfs | Spill kcfs | Forebay Elevation | Tailwater Elevation | Average Head |
|---|
| 1 | 244.60 | 59.20 | 184.50 | 265.32 | 161.22 | 104.10 |
| 2 | 245.50 | 60.10 | 184.50 | 265.42 | 161.29 | 104.13 |
| 3 | 245.30 | 60.00 | 184.40 | 265.42 | 161.42 | 104.00 |
| 4 | 245.30 | 60.30 | 184.10 | 265.32 | 161.42 | 103.90 |
| 5 | 246.10 | 60.50 | 184.70 | 265.02 | 161.42 | 103.60 |
| 6 | 245.80 | 60.10 | 184.80 | 265.12 | 161.35 | 103.77 |
| 7 | 247.30 | 61.60 | 184.80 | 265.12 | 161.42 | 103.70 |
| 8 | 245.60 | 60.20 | 184.50 | 265.32 | 161.42 | 103.90 |
| 9 | 235.70 | 60.60 | 174.30 | 265.32 | 161.32 | 104.00 |
| 10 | 234.10 | 59.60 | 173.60 | 265.22 | 161.32 | 103.90 |
| 11 | 235.80 | 59.90 | 173.20 | 265.02 | 161.42 | 103.60 |
| 12 | 234.20 | 60.20 | 173.20 | 265.02 | 161.52 | 103.50 |
| 13 | 231.20 | 60.10 | 168.30 | 265.22 | 161.10 | 104.12 |
| 14 | 222.20 | 59.60 | 161.70 | 265.12 | 161.42 | 103.70 |
| 15 | 237.90 | 59.40 | 175.80 | 265.22 | 161.42 | 103.80 |
| 16 | 235.50 | 59.90 | 174.70 | 265.22 | 161.18 | 104.04 |
| 17 | 234.60 | 59.40 | 174.20 | 264.92 | 161.12 | 103.80 |
| 18 | 233.60 | 58.50 | 174.20 | 264.92 | 161.12 | 103.80 |
| 19 | 237.60 | 60.70 | 174.20 | 265.12 | 161.12 | 104.00 |
| 20 | 235.60 | 60.30 | 174.50 | 265.32 | 160.92 | 104.40 |
| 21 | 236.50 | 60.10 | 175.50 | 265.52 | 160.72 | 104.80 |
| 22 | 236.50 | 59.80 | 175.70 | 265.42 | 160.72 | 104.70 |
| 23 | 236.00 | 59.90 | 175.20 | 265.42 | 160.52 | 104.90 |
| 24 | 236.10 | 60.10 | 175.10 | 265.52 | 160.48 | 105.04 |
|
| AVG | 238.28 | 60.00 | 177.07 | 265.23 | 161.18 | 104.05 |
|
| MAX | 247.30 | 61.60 | 184.80 | 265.52 | 161.52 | 105.04 |
| MIN | 222.20 | 58.50 | 161.70 | 264.92 | 160.48 | 103.50 |