condition mean min max ZT0-3 1344.95 1344.95 1344.95 ZT4-7 2119.6 2119.6 2119.6 ZT8-11 2356.45 2356.45 2356.45 ZT12-15 1704.4 1704.4 1704.4 ZT16-19 1450.85 1450.85 1450.85 ZT20-23 1833.3 1833.3 1833.3