condition mean min max ZT0-3 226.80267973500003 98.83335062 354.77200885 ZT4-7 680.76242295 670.05896795 691.46587795 ZT8-11 289.66894149999996 226.78487255 352.55301045 ZT12-15 403.699785075 330.66215445 476.73741570000004 ZT16-19 551.61857435 509.0691817 594.167967 ZT20-23 840.8442676249999 712.1251024 969.56343285