condition mean min max ZT0-3 269.15 269.15 269.15 ZT4-7 311.4 311.4 311.4 ZT8-11 353.54999999999995 353.54999999999995 353.54999999999995 ZT12-15 308.25 308.25 308.25 ZT16-19 357.6 357.6 357.6 ZT20-23 262.1 262.1 262.1