condition mean min max ZT0-3 412.65 412.65 412.65 ZT4-7 376.8 376.8 376.8 ZT8-11 398.79999999999995 398.79999999999995 398.79999999999995 ZT12-15 437.15 437.15 437.15 ZT16-19 490.65 490.65 490.65 ZT20-23 479.8 479.8 479.8