condition mean min max ZT0-3 627.55 627.55 627.55 ZT4-7 604.2 604.2 604.2 ZT8-11 807.7 807.7 807.7 ZT12-15 738.4 738.4 738.4 ZT16-19 696.3 696.3 696.3 ZT20-23 989.4000000000001 989.4000000000001 989.4000000000001