condition mean min max ZT0-3 0.92759036075 0.612219791 1.2429609305 ZT4-7 33.476552025000004 29.496152119999998 37.45695193 ZT8-11 62.711921605 62.22689632000001 63.19694689 ZT12-15 137.32442600000002 136.0655604 138.5832916 ZT16-19 126.61238395000001 124.51673165 128.70803625000002 ZT20-23 145.99686772500002 121.06270805 170.9310274