condition mean min max ZT0-3 154.0565 132.4205 175.6925 ZT4-7 163.9255 163.9255 163.9255 ZT8-11 170.6895 170.6895 170.6895 ZT12-15 0 0 0 ZT16-19 254.197 254.197 254.197 ZT20-23 179.14 179.14 179.14