condition mean min max ZT0-3 0.0 0.0 0.0 ZT4-7 0.02038945 0.02038945 0.02038945 ZT8-11 0.02148155 0.02148155 0.02148155 ZT12-15 0.0 0.0 0.0 ZT16-19 0.0 0.0 0.0 ZT20-23 0.0 0.0 0.0