condition mean min max ZT0-3 115.274 110.39099999999999 120.15700000000001 ZT4-7 109.132 109.132 109.132 ZT8-11 66.34615 66.34615 66.34615 ZT12-15 0 0 0 ZT16-19 18.736 18.736 18.736 ZT20-23 59.257999999999996 59.257999999999996 59.257999999999996