condition mean min max ZT0-3 1129.15 1129.15 1129.15 ZT4-7 956.8 956.8 956.8 ZT8-11 798.6500000000001 798.6500000000001 798.6500000000001 ZT12-15 1003.9 1003.9 1003.9 ZT16-19 1183.6999999999998 1183.6999999999998 1183.6999999999998 ZT20-23 1007.2 1007.2 1007.2