condition mean min max ZT0-3 1296.2 1296.2 1296.2 ZT4-7 1065.8 1065.8 1065.8 ZT8-11 1191.25 1191.25 1191.25 ZT12-15 1184.35 1184.35 1184.35 ZT16-19 1263.45 1263.45 1263.45 ZT20-23 1310.85 1310.85 1310.85