condition mean min max ZT0-3 25.2444 24.4942 25.9946 ZT4-7 48.346050000000005 48.346050000000005 48.346050000000005 ZT8-11 41.781800000000004 41.781800000000004 41.781800000000004 ZT12-15 0 0 0 ZT16-19 36.577200000000005 36.577200000000005 36.577200000000005 ZT20-23 36.2782 36.2782 36.2782