condition mean min max ZT0-3 111.37675 106.82650000000001 115.92699999999999 ZT4-7 103.8389 103.8389 103.8389 ZT8-11 213.47899999999998 213.47899999999998 213.47899999999998 ZT12-15 0 0 0 ZT16-19 248.365 248.365 248.365 ZT20-23 176.1915 176.1915 176.1915