condition mean min max ZT0-3 74.33455000000001 74.33455000000001 74.33455000000001 ZT4-7 63.5084 63.5084 63.5084 ZT8-11 41.1726 41.1726 41.1726 ZT12-15 38.9874 38.9874 38.9874 ZT16-19 45.7064 45.7064 45.7064 ZT20-23 66.6385 66.6385 66.6385