condition mean min max ZT0-3 105.07708333333333 103.62774999999999 107.519 ZT4-7 94.2727 94.2727 94.2727 ZT8-11 130.369 130.369 130.369 ZT12-15 144.8525 142.84449999999998 146.8605 ZT16-19 131.893 131.893 131.893 ZT20-23 128.043 128.043 128.043