condition mean min max ZT0-3 0.69143275 0.1871855 1.19568 ZT4-7 0.925034 0.925034 0.925034 ZT8-11 0.7454535 0.7454535 0.7454535 ZT12-15 0 0 0 ZT16-19 1.0123955 1.0123955 1.0123955 ZT20-23 0.646218 0.646218 0.646218