condition mean min max ZT0-3 133.96800000000002 114.644 154.425 ZT4-7 115.349 115.349 115.349 ZT8-11 134.277 134.277 134.277 ZT12-15 121.77799999999999 114.3945 129.1615 ZT16-19 114.669 114.669 114.669 ZT20-23 111.8255 111.8255 111.8255