condition mean min max ZT0-3 95.43377781749999 73.38999206 117.47756357499999 ZT4-7 100.6763018625 97.95000566499999 103.40259805999999 ZT8-11 45.4879713375 33.46282568 57.513116995000004 ZT12-15 20.911704094999997 17.739999755 24.083408435 ZT16-19 35.671004787499996 31.262007999999998 40.080001575 ZT20-23 45.9531893 45.081601115 46.824777485