| State | Base Yield (T/ha) | % Change from Base Yield | |||||
| CSIRO 330CO2 | RegCM 330CO2 | CSIRO 540CO2 | RegCM 540CO2 | CSIRO 540+A | RegCM540+A | ||
| Alabama | 7.6 | -10 | -5 | +5 | +9 | +14 | +20 |
| Arkansas | 7.4 | -10 | -5 | +4 | +9 | +22 | +25 |
| Florida | 6.3 | -18 | -7 | -1 | +10 | +1 | +11 |
| Georgia | 7.5 | -17 | -16 | -3 | -1 | +4 | +6 |
| Louisiana | 7.9 | -14 | -9 | -2 | +3 | +6 | +4 |
| Mississippi | 8.4 | -12 | -8 | -1 | +3 | +10 | +12 |
| North Carolina | 9.1 | -13 | -34 | +1 | -18 | +2 | -9 |
| South Carolina | 8.3 | -18 | -30 | -4 | -14 | +2 | -6 |
| Tennessee | 9.8 | -13 | -25 | -2 | -12 | +2 | -5 |
| Domain Mean | 8.1 | -13 | -16 | 0 | -2 | +7 | +6 |
| At 95% significance level: | 123 – Significantly Different; |
| 123 – Not Significantly Different. |