condition mean min max ZT0-3 299.40975 299.40975 299.40975 ZT4-7 354.1245545 354.1245545 354.1245545 ZT8-11 404.524894 404.524894 404.524894 ZT12-15 407.80898 407.80898 407.80898 ZT16-19 413.1563525 413.1563525 413.1563525 ZT20-23 397.057457 397.057457 397.057457