| COR | RET | GER | ||||
VAR. | Altitude levels | C. Verm. | C. Am. | C. Verm. | C. Am. | C. Verm. | C. Am. |
A | <700 m | 6.10 | Aa | 5.99 | Ba | 5.94 | Aa |
700 m - 825 m | 6.00 | Aab | 6.06 | Aa | 5.76 | Bbc | |
825 m - 950 m | 5.90 | Bb | 6.01 | Aa | 5.67 | Ac |