condition mean min max ZT0-3 479.4 479.4 479.4 ZT4-7 308.4 308.4 308.4 ZT8-11 307.85 307.85 307.85 ZT12-15 343.1 343.1 343.1 ZT16-19 484.9 484.9 484.9 ZT20-23 526.3499999999999 526.3499999999999 526.3499999999999