condition mean min max ZT0-3 346.5 346.5 346.5 ZT4-7 314.9 314.9 314.9 ZT8-11 301.1 301.1 301.1 ZT12-15 339.29999999999995 339.29999999999995 339.29999999999995 ZT16-19 364.0 364.0 364.0 ZT20-23 354.65 354.65 354.65