condition mean min max ZT0-3 485.15 485.15 485.15 ZT4-7 498.9 498.9 498.9 ZT8-11 512.95 512.95 512.95 ZT12-15 525.4 525.4 525.4 ZT16-19 621.25 621.25 621.25 ZT20-23 512.9 512.9 512.9