condition mean min max ZT0-3 292.3 292.3 292.3 ZT4-7 310.2 310.2 310.2 ZT8-11 309.65 309.65 309.65 ZT12-15 305.25 305.25 305.25 ZT16-19 293.15 293.15 293.15 ZT20-23 321.4 321.4 321.4