condition mean min max ZT0-3 1557.15 1557.15 1557.15 ZT4-7 1811.5 1811.5 1811.5 ZT8-11 1440.25 1440.25 1440.25 ZT12-15 1337.65 1337.65 1337.65 ZT16-19 1291.7 1291.7 1291.7 ZT20-23 1328.15 1328.15 1328.15