condition mean min max ZT0-3 151.79149999999998 151.79149999999998 151.79149999999998 ZT4-7 127.687 127.687 127.687 ZT8-11 87.42914999999999 87.42914999999999 87.42914999999999 ZT12-15 102.906 102.906 102.906 ZT16-19 94.1542 94.1542 94.1542 ZT20-23 115.822 115.822 115.822