condition mean min max ZT0-3 139.119 139.119 139.119 ZT4-7 113.7585 113.7585 113.7585 ZT8-11 116.61250000000001 116.61250000000001 116.61250000000001 ZT12-15 117.01599999999999 117.01599999999999 117.01599999999999 ZT16-19 172.11849999999998 172.11849999999998 172.11849999999998 ZT20-23 151.77249999999998 151.77249999999998 151.77249999999998