condition mean min max ZT0-3 125.39999999999999 125.39999999999999 125.39999999999999 ZT4-7 46.0 46.0 46.0 ZT8-11 85.85 85.85 85.85 ZT12-15 121.85000000000001 121.85000000000001 121.85000000000001 ZT16-19 79.4 79.4 79.4 ZT20-23 81.30000000000001 81.30000000000001 81.30000000000001