condition mean min max ZT0-3 688.25 688.25 688.25 ZT4-7 1079.6 1079.6 1079.6 ZT8-11 1037.9 1037.9 1037.9 ZT12-15 1339.85 1339.85 1339.85 ZT16-19 1162.85 1162.85 1162.85 ZT20-23 1046.6 1046.6 1046.6