condition mean min max ZT0-3 457.6925 457.6925 457.6925 ZT4-7 385.272 385.272 385.272 ZT8-11 320.33799999999997 320.33799999999997 320.33799999999997 ZT12-15 346.58349999999996 346.58349999999996 346.58349999999996 ZT16-19 456.0245 456.0245 456.0245 ZT20-23 482.9715 482.9715 482.9715