condition mean min max ZT0-3 346.15 346.15 346.15 ZT4-7 361.7 361.7 361.7 ZT8-11 366.7 366.7 366.7 ZT12-15 368.45 368.45 368.45 ZT16-19 339.8 339.8 339.8 ZT20-23 304.95 304.95 304.95