condition mean min max ZT0-3 85.5305 85.5305 85.5305 ZT4-7 73.04910000000001 73.04910000000001 73.04910000000001 ZT8-11 73.84075 73.84075 73.84075 ZT12-15 72.5412 72.5412 72.5412 ZT16-19 88.16635 88.16635 88.16635 ZT20-23 84.5503 84.5503 84.5503