condition mean min max ZT0-3 117.4 117.4 117.4 ZT4-7 112.3 112.3 112.3 ZT8-11 124.9 124.9 124.9 ZT12-15 145.35 145.35 145.35 ZT16-19 106.65 106.65 106.65 ZT20-23 130.85 130.85 130.85