condition mean min max ZT0-3 92.14359242500001 71.40013308 112.88705177 ZT4-7 227.192999075 193.451442 260.93455615 ZT8-11 554.932218175 452.69159425 657.1728421 ZT12-15 727.0494458000001 672.38665515 781.71223645 ZT16-19 367.32147745 287.2959023 447.3470526 ZT20-23 173.23098707500003 142.50954 203.95243415000004