condition mean min max ZT0-3 711.258004 711.258004 711.258004 ZT4-7 355.918501 355.918501 355.918501 ZT8-11 404.9512775 404.9512775 404.9512775 ZT12-15 584.112641 584.112641 584.112641 ZT16-19 555.272074 555.272074 555.272074 ZT20-23 659.526363 659.526363 659.526363