condition mean min max ZT0-3 132.83333333333334 132.83333333333334 132.83333333333334 ZT4-7 119.90095 119.90095 119.90095 ZT8-11 132.36075 132.36075 132.36075 ZT12-15 242.954 242.954 242.954 ZT16-19 235.25900000000001 235.25900000000001 235.25900000000001 ZT20-23 216.56300000000002 216.56300000000002 216.56300000000002