condition mean min max ZT0-3 1347.45 1347.45 1347.45 ZT4-7 2077.0 2077.0 2077.0 ZT8-11 1933.55 1933.55 1933.55 ZT12-15 1999.5 1999.5 1999.5 ZT16-19 1772.15 1772.15 1772.15 ZT20-23 1393.5500000000002 1393.5500000000002 1393.5500000000002