condition mean min max ZT0-3 117.0495 117.0495 117.0495 ZT4-7 99.8296 99.8296 99.8296 ZT8-11 117.146 117.146 117.146 ZT12-15 106.0875 106.0875 106.0875 ZT16-19 149.3205 149.3205 149.3205 ZT20-23 117.48949999999999 117.48949999999999 117.48949999999999