condition mean min max ZT0-3 399.15 399.15 399.15 ZT4-7 448.4 448.4 448.4 ZT8-11 480.35 480.35 480.35 ZT12-15 313.8 313.8 313.8 ZT16-19 301.95000000000005 301.95000000000005 301.95000000000005 ZT20-23 338.9 338.9 338.9