condition mean min max ZT0-3 943.4499999999999 943.4499999999999 943.4499999999999 ZT4-7 1005.3 1005.3 1005.3 ZT8-11 1006.25 1006.25 1006.25 ZT12-15 1148.2 1148.2 1148.2 ZT16-19 1112.1 1112.1 1112.1 ZT20-23 1189.2 1189.2 1189.2