condition mean min max ZT0-3 255.15 255.15 255.15 ZT4-7 139.8 139.8 139.8 ZT8-11 165.0 165.0 165.0 ZT12-15 183.75 183.75 183.75 ZT16-19 236.85 236.85 236.85 ZT20-23 209.64999999999998 209.64999999999998 209.64999999999998