condition mean min max ZT0-3 102.667 102.667 102.667 ZT4-7 94.27844999999999 94.27844999999999 94.27844999999999 ZT8-11 81.71600000000001 81.71600000000001 81.71600000000001 ZT12-15 91.369 91.369 91.369 ZT16-19 108.614 108.614 108.614 ZT20-23 102.25450000000001 102.25450000000001 102.25450000000001