condition mean min max ZT0-3 5464.3 5464.3 5464.3 ZT4-7 4865.8 4865.8 4865.8 ZT8-11 4817.049999999999 4817.049999999999 4817.049999999999 ZT12-15 4644.6 4644.6 4644.6 ZT16-19 4857.549999999999 4857.549999999999 4857.549999999999 ZT20-23 5993.65 5993.65 5993.65