condition mean min max ZT0-3 1230.05 1230.05 1230.05 ZT4-7 1033.1 1033.1 1033.1 ZT8-11 903.05 903.05 903.05 ZT12-15 988.4000000000001 988.4000000000001 988.4000000000001 ZT16-19 1249.65 1249.65 1249.65 ZT20-23 1067.6 1067.6 1067.6