condition mean min max ZT0-3 43.897149999999996 43.897149999999996 43.897149999999996 ZT4-7 44.225300000000004 44.225300000000004 44.225300000000004 ZT8-11 37.001000000000005 37.001000000000005 37.001000000000005 ZT12-15 38.1642 38.1642 38.1642 ZT16-19 43.1577 43.1577 43.1577 ZT20-23 42.396100000000004 42.396100000000004 42.396100000000004