condition mean min max ZT0-3 114.2276 114.2276 114.2276 ZT4-7 92.3092975 92.3092975 92.3092975 ZT8-11 225.2029455 225.2029455 225.2029455 ZT12-15 237.9918235 237.9918235 237.9918235 ZT16-19 880.9780705000001 880.9780705000001 880.9780705000001 ZT20-23 590.0598785 590.0598785 590.0598785