condition mean min max ZT0-3 44.6692 42.32684999999999 47.01155 ZT4-7 148.438 148.438 148.438 ZT8-11 202.1725 202.1725 202.1725 ZT12-15 0 0 0 ZT16-19 92.5127 92.5127 92.5127 ZT20-23 84.14065 84.14065 84.14065