condition mean min max ZT0-3 165.4185 165.4185 165.4185 ZT4-7 170.3775 170.3775 170.3775 ZT8-11 155.32150000000001 155.32150000000001 155.32150000000001 ZT12-15 141.474 141.474 141.474 ZT16-19 148.35 148.35 148.35 ZT20-23 166.74200000000002 166.74200000000002 166.74200000000002