condition mean min max ZT0-3 45.05 45.05 45.05 ZT4-7 82.3 82.3 82.3 ZT8-11 46.849999999999994 46.849999999999994 46.849999999999994 ZT12-15 101.85 101.85 101.85 ZT16-19 71.9 71.9 71.9 ZT20-23 57.599999999999994 57.599999999999994 57.599999999999994