condition mean min max ZT0-3 1605.05 1605.05 1605.05 ZT4-7 1427.6 1427.6 1427.6 ZT8-11 1156.9 1156.9 1156.9 ZT12-15 1129.25 1129.25 1129.25 ZT16-19 1176.35 1176.35 1176.35 ZT20-23 1283.9 1283.9 1283.9