condition mean min max ZT0-3 288.15 288.15 288.15 ZT4-7 193.5 193.5 193.5 ZT8-11 183.45 183.45 183.45 ZT12-15 182.4 182.4 182.4 ZT16-19 270.05 270.05 270.05 ZT20-23 316.25 316.25 316.25