condition mean min max ZT0-3 103.510925 100.34915000000001 106.67269999999999 ZT4-7 108.86500000000001 108.86500000000001 108.86500000000001 ZT8-11 106.7495 106.7495 106.7495 ZT12-15 0 0 0 ZT16-19 137.034 137.034 137.034 ZT20-23 154.9955 154.9955 154.9955