condition mean min max ZT0-3 80.70088111833334 70.74450148 90.65726075666667 ZT4-7 101.28336938499999 92.07064799 110.49609077999999 ZT8-11 123.63608983 112.73724105999999 134.5349386 ZT12-15 142.98096926666665 128.93462063333334 157.02731789999999 ZT16-19 126.55400702833333 114.89977059 138.20824346666666 ZT20-23 75.516012495 71.03980826333333 79.99221672666667