condition mean min max ZT0-3 454.29999999999995 454.29999999999995 454.29999999999995 ZT4-7 445.1 445.1 445.1 ZT8-11 399.4 399.4 399.4 ZT12-15 363.1 363.1 363.1 ZT16-19 483.7 483.7 483.7 ZT20-23 412.4 412.4 412.4