condition mean min max ZT0-3 170.49599999999998 170.49599999999998 170.49599999999998 ZT4-7 127.47749999999999 127.47749999999999 127.47749999999999 ZT8-11 94.80145 94.80145 94.80145 ZT12-15 89.5911 89.5911 89.5911 ZT16-19 142.577 142.577 142.577 ZT20-23 173.57549999999998 173.57549999999998 173.57549999999998