condition mean min max ZT0-3 165.1875 159.76350000000002 170.6115 ZT4-7 128.9655 128.9655 128.9655 ZT8-11 44.72255 44.72255 44.72255 ZT12-15 0 0 0 ZT16-19 110.30799999999999 110.30799999999999 110.30799999999999 ZT20-23 128.184 128.184 128.184