Big Cliff Dam
Thursday June 18, 2026
| Hour | Total Outflow cfs | Generation Flow cfs | Spill cfs | Forebay Elevation | Tailwater Elevation | Average Head |
| 1 | 1240 | | | 1198.03 | 1110.47 | 87.56 |
| 2 | 1250 | | | 1198.60 | 1110.49 | 88.11 |
| 3 | 1250 | | | 1199.16 | 1110.50 | 88.66 |
| 4 | 1250 | | | 1199.71 | 1110.50 | 89.21 |
| 5 | 1260 | | | 1200.23 | 1110.50 | 89.73 |
| 6 | 1260 | | | 1199.46 | 1110.50 | 88.96 |
| 7 | 1250 | | | 1198.56 | 1110.53 | 88.03 |
| 8 | 1250 | | | 1197.70 | 1110.50 | 87.20 |
| 9 | 1240 | | | 1196.80 | 1110.46 | 86.34 |
| 10 | 1240 | | | 1195.88 | 1110.45 | 85.43 |
| 11 | 1230 | | | 1194.94 | 1110.45 | 84.49 |
| 12 | 1220 | | | 1193.98 | 1110.40 | 83.58 |
| 13 | 1210 | | | 1193.02 | 1110.40 | 82.62 |
| 14 | 1210 | | | 1192.04 | 1110.38 | 81.66 |
| 15 | 1200 | | | 1191.05 | 1110.45 | 80.60 |
| 16 | 1190 | | | 1190.04 | 1110.41 | 79.63 |
| 17 | 1180 | | | 1189.03 | 1110.38 | 78.65 |
| 18 | 1190 | | | 1189.92 | 1110.43 | 79.49 |
| 19 | 1200 | | | 1191.08 | 1110.39 | 80.69 |
| 20 | 1200 | | | 1192.20 | 1110.43 | 81.77 |
| 21 | 1210 | | | 1193.29 | 1110.44 | 82.85 |
| 22 | 1220 | | | 1194.35 | 1110.45 | 83.90 |
| 23 | 1230 | | | 1196.81 | 1110.50 | 86.31 |
| 24 | 1240 | | | 1197.58 | 1110.54 | 87.04 |
|
| AVG | 1226 | | | 1195.14 | 1110.46 | 84.69 |
|
| MAX | 1260 | | | 1200.23 | 1110.54 | 89.73 |
| MIN | 1180 | | | 1189.03 | 1110.38 | 78.65 |