condition mean min max ZT0-3 302.85699999999997 302.85699999999997 302.85699999999997 ZT4-7 271.4475 271.4475 271.4475 ZT8-11 308.0145 308.0145 308.0145 ZT12-15 240.2595 240.2595 240.2595 ZT16-19 367.6805 367.6805 367.6805 ZT20-23 308.18100000000004 308.18100000000004 308.18100000000004