condition mean min max ZT0-3 76.73169999999999 69.13555 84.17089999999999 ZT4-7 62.4785 62.4785 62.4785 ZT8-11 65.3338 65.3338 65.3338 ZT12-15 104.24365 101.58155 106.90575 ZT16-19 87.6375 87.6375 87.6375 ZT20-23 88.71945 88.71945 88.71945