condition mean min max ZT0-3 91.81110000000001 91.81110000000001 91.81110000000001 ZT4-7 37.995400000000004 37.995400000000004 37.995400000000004 ZT8-11 31.8019 31.8019 31.8019 ZT12-15 107.44399999999999 107.44399999999999 107.44399999999999 ZT16-19 174.54399999999998 174.54399999999998 174.54399999999998 ZT20-23 162.173 162.173 162.173