condition mean min max ZT0-3 82.55956649250001 64.573153985 100.545979 ZT4-7 37.61963894749999 37.360352594999995 37.8789253 ZT8-11 25.331107879999998 23.60423587 27.05797989 ZT12-15 24.082074149999997 21.161806095 27.002342204999998 ZT16-19 54.178934185 41.737985755 66.61988261500001 ZT20-23 95.56706091000001 88.02270538 103.11141644