condition mean min max ZT0-3 36.2234 36.2234 36.2234 ZT4-7 44.08385 44.08385 44.08385 ZT8-11 45.323 45.323 45.323 ZT12-15 33.31145 33.31145 33.31145 ZT16-19 21.1146 21.1146 21.1146 ZT20-23 29.378349999999998 29.378349999999998 29.378349999999998