condition mean min max ZT0-3 101.61868333333334 55.00905 126.6935 ZT4-7 72.4104 72.4104 72.4104 ZT8-11 70.66835 70.66835 70.66835 ZT12-15 110.63255000000001 107.68360000000001 113.5815 ZT16-19 103.1918 103.1918 103.1918 ZT20-23 111.497 111.497 111.497