condition mean min max ZT0-3 0.12333433825000001 0.09437380199999999 0.1522948745 ZT4-7 0.3021047765 0.17307895700000003 0.4311305959999999 ZT8-11 6.53307807925 3.6346725890000005 9.4314835695 ZT12-15 85.4211714325 59.39258641000001 111.449756455 ZT16-19 89.918592165 80.29160394 99.54558039 ZT20-23 120.110352575 108.30081095 131.9198942