condition mean min max ZT0-3 85.2298 85.2298 85.2298 ZT4-7 72.2013 72.2013 72.2013 ZT8-11 70.77600000000001 70.77600000000001 70.77600000000001 ZT12-15 74.0812 74.0812 74.0812 ZT16-19 88.56635 88.56635 88.56635 ZT20-23 96.0428 96.0428 96.0428