condition mean min max ZT0-3 465.25 465.25 465.25 ZT4-7 313.1 313.1 313.1 ZT8-11 301.04999999999995 301.04999999999995 301.04999999999995 ZT12-15 301.95 301.95 301.95 ZT16-19 366.75 366.75 366.75 ZT20-23 383.15 383.15 383.15