condition mean min max ZT0-3 88.12684999999999 88.12684999999999 88.12684999999999 ZT4-7 70.2028 70.2028 70.2028 ZT8-11 55.75765 55.75765 55.75765 ZT12-15 60.3518 60.3518 60.3518 ZT16-19 78.53190000000001 78.53190000000001 78.53190000000001 ZT20-23 85.2661 85.2661 85.2661