condition mean min max ZT0-3 1395.1 1395.1 1395.1 ZT4-7 1698.6 1698.6 1698.6 ZT8-11 1675.2 1675.2 1675.2 ZT12-15 1885.65 1885.65 1885.65 ZT16-19 1670.65 1670.65 1670.65 ZT20-23 1358.1 1358.1 1358.1