condition mean min max ZT0-3 1131.05 1131.05 1131.05 ZT4-7 1017.4 1017.4 1017.4 ZT8-11 1147.65 1147.65 1147.65 ZT12-15 1119.65 1119.65 1119.65 ZT16-19 1383.65 1383.65 1383.65 ZT20-23 1308.05 1308.05 1308.05