condition mean min max ZT0-3 440.9 440.9 440.9 ZT4-7 365.0 365.0 365.0 ZT8-11 392.65 392.65 392.65 ZT12-15 262.45 262.45 262.45 ZT16-19 60.95 60.95 60.95 ZT20-23 187.04999999999998 187.04999999999998 187.04999999999998