condition mean min max ZT0-3 96.53955164249999 92.294456895 100.78464638999999 ZT4-7 128.25824508333335 126.45327400000001 130.06321616666668 ZT8-11 108.17557440666667 104.18247701333333 112.1686718 ZT12-15 94.97409431999999 94.71162919999999 95.23655944 ZT16-19 72.08267387000001 66.36877063 77.79657711 ZT20-23 69.30163071999999 66.30296613 72.30029531