condition mean min max ZT0-3 76.25709 76.25709 76.25709 ZT4-7 110.79367333333333 110.79367333333333 110.79367333333333 ZT8-11 124.54579 124.54579 124.54579 ZT12-15 78.91136 78.91136 78.91136 ZT16-19 126.9123 126.9123 126.9123 ZT20-23 113.49361999999999 113.49361999999999 113.49361999999999