condition mean min max ZT0-3 43.484271065 43.24011892666667 43.728423203333335 ZT4-7 42.20407102 39.83876209333334 44.569379946666665 ZT8-11 43.884088225 40.31531921333333 47.45285723666667 ZT12-15 46.72288123 44.39582523 49.04993723 ZT16-19 43.197660915 43.097089149999995 43.29823268 ZT20-23 40.2730665 36.26889965 44.27723335