condition mean min max ZT0-3 1056.2 1056.2 1056.2 ZT4-7 928.5 928.5 928.5 ZT8-11 927.95 927.95 927.95 ZT12-15 916.3 916.3 916.3 ZT16-19 894.0 894.0 894.0 ZT20-23 1024.3000000000002 1024.3000000000002 1024.3000000000002