condition mean min max ZT0-3 195.82850000000002 195.82850000000002 195.82850000000002 ZT4-7 159.822 159.822 159.822 ZT8-11 176.8185 176.8185 176.8185 ZT12-15 149.85649999999998 149.85649999999998 149.85649999999998 ZT16-19 202.472 202.472 202.472 ZT20-23 164.5025 164.5025 164.5025