condition mean min max ZT0-3 93.08879999999999 93.08879999999999 93.08879999999999 ZT4-7 78.4493 78.4493 78.4493 ZT8-11 72.8015 72.8015 72.8015 ZT12-15 87.73325 87.73325 87.73325 ZT16-19 100.8539 100.8539 100.8539 ZT20-23 101.159 101.159 101.159