condition mean min max ZT0-3 241.1145 241.1145 241.1145 ZT4-7 359.413 359.413 359.413 ZT8-11 182.0765 182.0765 182.0765 ZT12-15 110.7635 110.7635 110.7635 ZT16-19 95.1971 95.1971 95.1971 ZT20-23 158.78050000000002 158.78050000000002 158.78050000000002