condition mean min max ZT0-3 306.15 306.15 306.15 ZT4-7 221.3 221.3 221.3 ZT8-11 346.95 346.95 346.95 ZT12-15 364.15 364.15 364.15 ZT16-19 399.85 399.85 399.85 ZT20-23 377.15 377.15 377.15