condition mean min max ZT0-3 1525.65 1525.65 1525.65 ZT4-7 1430.3 1430.3 1430.3 ZT8-11 1534.1 1534.1 1534.1 ZT12-15 1593.0 1593.0 1593.0 ZT16-19 1636.95 1636.95 1636.95 ZT20-23 1508.25 1508.25 1508.25