condition mean min max ZT0-3 1453.25 1453.25 1453.25 ZT4-7 1644.9 1644.9 1644.9 ZT8-11 1626.7 1626.7 1626.7 ZT12-15 1953.95 1953.95 1953.95 ZT16-19 1656.85 1656.85 1656.85 ZT20-23 1529.6999999999998 1529.6999999999998 1529.6999999999998