condition mean min max ZT0-3 77.9948 71.62215 84.36744999999999 ZT4-7 101.87825000000001 101.87825000000001 101.87825000000001 ZT8-11 137.074 137.074 137.074 ZT12-15 0 0 0 ZT16-19 120.60125 120.60125 120.60125 ZT20-23 114.82300000000001 114.82300000000001 114.82300000000001