condition mean min max ZT0-3 121.71883179333332 102.25088165666666 141.18678193 ZT4-7 138.79292170833332 134.84102597666666 142.74481744000002 ZT8-11 120.18860128166668 116.1117911 124.26541146333334 ZT12-15 109.02569642666668 87.38880584666667 130.66258700666668 ZT16-19 107.11273071 105.8080245 108.41743692 ZT20-23 146.20004219999998 145.23650709999998 147.1635773