condition mean min max ZT0-3 330.4 330.4 330.4 ZT4-7 347.9 347.9 347.9 ZT8-11 334.04999999999995 334.04999999999995 334.04999999999995 ZT12-15 402.15 402.15 402.15 ZT16-19 455.2 455.2 455.2 ZT20-23 483.4 483.4 483.4