condition mean min max ZT0-3 1045.65 1045.65 1045.65 ZT4-7 1033.7 1033.7 1033.7 ZT8-11 966.5 966.5 966.5 ZT12-15 1068.45 1068.45 1068.45 ZT16-19 1045.05 1045.05 1045.05 ZT20-23 1255.6 1255.6 1255.6