condition mean min max ZT0-3 149.85000000000002 149.85000000000002 149.85000000000002 ZT4-7 358.4 358.4 358.4 ZT8-11 335.05 335.05 335.05 ZT12-15 321.1 321.1 321.1 ZT16-19 156.15 156.15 156.15 ZT20-23 154.9 154.9 154.9