condition mean min max ZT0-3 465.5 465.5 465.5 ZT4-7 427.1 427.1 427.1 ZT8-11 524.3499999999999 524.3499999999999 524.3499999999999 ZT12-15 464.1 464.1 464.1 ZT16-19 559.65 559.65 559.65 ZT20-23 542.5999999999999 542.5999999999999 542.5999999999999