condition mean min max ZT0-3 1315.45 1315.45 1315.45 ZT4-7 1218.5 1218.5 1218.5 ZT8-11 1149.15 1149.15 1149.15 ZT12-15 1061.6 1061.6 1061.6 ZT16-19 1117.7 1117.7 1117.7 ZT20-23 1309.45 1309.45 1309.45