condition mean min max ZT0-3 1931.15 1931.15 1931.15 ZT4-7 1697.1 1697.1 1697.1 ZT8-11 1369.65 1369.65 1369.65 ZT12-15 1363.6 1363.6 1363.6 ZT16-19 1367.6 1367.6 1367.6 ZT20-23 1443.15 1443.15 1443.15