condition mean min max ZT0-3 1260.4 1260.4 1260.4 ZT4-7 1347.2 1347.2 1347.2 ZT8-11 1173.0500000000002 1173.0500000000002 1173.0500000000002 ZT12-15 1338.8 1338.8 1338.8 ZT16-19 1455.65 1455.65 1455.65 ZT20-23 1158.6 1158.6 1158.6