condition mean min max ZT0-3 1428.0700000000002 1313.9 1542.24 ZT4-7 3071.1949999999997 3071.1949999999997 3071.1949999999997 ZT8-11 2453.28 2453.28 2453.28 ZT12-15 0 0 0 ZT16-19 280.1485 280.1485 280.1485 ZT20-23 485.098 485.098 485.098