condition mean min max ZT0-3 377.602 377.602 377.602 ZT4-7 363.82349999999997 363.82349999999997 363.82349999999997 ZT8-11 413.77 413.77 413.77 ZT12-15 291.65049999999997 291.65049999999997 291.65049999999997 ZT16-19 423.839 423.839 423.839 ZT20-23 371.56399999999996 371.56399999999996 371.56399999999996