condition mean min max ZT0-3 89.80840528750001 32.561334775 147.0554758 ZT4-7 17.720995322500002 15.58397411 19.858016535 ZT8-11 28.686712602500002 23.16600056 34.207424645 ZT12-15 29.0367382275 28.22921371 29.844262744999998 ZT16-19 38.552091355 31.607779785 45.496402925 ZT20-23 90.7497078125 65.852751925 115.6466637