| Variable | Coefficient | Std. Error | t-Statistic | Prob. | 
| C | 65.35374 | 0.934778 | 69.91361 | 0.0000 | 
| T*T*T | −1.72E−05 | 7.52E−07 | −22.85817 | 0.0000 | 
| T*T | 0.005366 | 0.000291 | 18.45983 | 0.0000 | 
| T | −0.455115 | 0.031809 | −14.30778 | 0.0000 | 
| R-squared | 0.885779 | Mean dependent var | 52.54858 | |
| Adjusted R-squared | 0.884403 | S.D. dependent var | 10.77126 | |
| S.E. of regression | 3.662181 | Akaike info criterion | 5.449679 | |
| Sum squared resid | 3339.482 | Schwarz criterion | 5.505543 | |
| Log likelihood | −685.3844 | Hannan-Quinn criter. | 5.472155 | |
| F-statistic | 643.6621 | Durbin-Watson stat | 0.185871 | |
| Prob(F-statistic) | 0.000000 | 
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