condition mean min max ZT0-3 239.8155 224.292 255.339 ZT4-7 148.6535 148.6535 148.6535 ZT8-11 69.8201 69.8201 69.8201 ZT12-15 0 0 0 ZT16-19 46.82365 46.82365 46.82365 ZT20-23 150.55349999999999 150.55349999999999 150.55349999999999