condition mean min max ZT0-3 1.0996325 1.098895 1.10037 ZT4-7 1.121195 1.121195 1.121195 ZT8-11 0.0 0.0 0.0 ZT12-15 0 0 0 ZT16-19 1.084975 1.084975 1.084975 ZT20-23 0.0 0.0 0.0