condition mean min max ZT0-3 350.1 350.1 350.1 ZT4-7 358.3 358.3 358.3 ZT8-11 336.25 336.25 336.25 ZT12-15 277.85 277.85 277.85 ZT16-19 340.8 340.8 340.8 ZT20-23 321.35 321.35 321.35