condition mean min max ZT0-3 104.805998 104.805998 104.805998 ZT4-7 109.61173 109.61173 109.61173 ZT8-11 110.331818 110.331818 110.331818 ZT12-15 116.41468549999999 116.41468549999999 116.41468549999999 ZT16-19 122.504806 122.504806 122.504806 ZT20-23 104.1799355 104.1799355 104.1799355