condition mean min max ZT0-3 95.924383 95.924383 95.924383 ZT4-7 78.4361165 78.4361165 78.4361165 ZT8-11 85.510403 85.510403 85.510403 ZT12-15 72.939422 72.939422 72.939422 ZT16-19 71.915123 71.915123 71.915123 ZT20-23 75.87407350000001 75.87407350000001 75.87407350000001