condition mean min max ZT0-3 115.3825 115.3825 115.3825 ZT4-7 91.79785000000001 91.79785000000001 91.79785000000001 ZT8-11 116.02250000000001 116.02250000000001 116.02250000000001 ZT12-15 88.78604999999999 88.78604999999999 88.78604999999999 ZT16-19 153.25549999999998 153.25549999999998 153.25549999999998 ZT20-23 116.4485 116.4485 116.4485