condition mean min max ZT0-3 113.95 113.95 113.95 ZT4-7 119.3 119.3 119.3 ZT8-11 103.30000000000001 103.30000000000001 103.30000000000001 ZT12-15 122.9 122.9 122.9 ZT16-19 119.85 119.85 119.85 ZT20-23 108.95 108.95 108.95