condition mean min max ZT0-3 309.15 309.15 309.15 ZT4-7 343.8 343.8 343.8 ZT8-11 397.29999999999995 397.29999999999995 397.29999999999995 ZT12-15 417.8 417.8 417.8 ZT16-19 365.35 365.35 365.35 ZT20-23 324.85 324.85 324.85