condition mean min max ZT0-3 92.93011 92.93011 92.93011 ZT4-7 84.7588005 84.7588005 84.7588005 ZT8-11 79.3643455 79.3643455 79.3643455 ZT12-15 89.306201 89.306201 89.306201 ZT16-19 118.69821999999999 118.69821999999999 118.69821999999999 ZT20-23 103.75284350000001 103.75284350000001 103.75284350000001