condition mean min max ZT0-3 0.0244815 0.0244815 0.0244815 ZT4-7 0.0 0.0 0.0 ZT8-11 0.0 0.0 0.0 ZT12-15 0.0 0.0 0.0 ZT16-19 0.029116299999999998 0.029116299999999998 0.029116299999999998 ZT20-23 0.0 0.0 0.0