condition mean min max ZT0-3 291.15 291.15 291.15 ZT4-7 350.6 350.6 350.6 ZT8-11 304.25 304.25 304.25 ZT12-15 323.5 323.5 323.5 ZT16-19 327.4 327.4 327.4 ZT20-23 218.85000000000002 218.85000000000002 218.85000000000002