condition mean min max ZT0-3 13.08435 13.06665 13.10205 ZT4-7 10.7005 10.7005 10.7005 ZT8-11 10.368735000000001 10.368735000000001 10.368735000000001 ZT12-15 0 0 0 ZT16-19 13.01695 13.01695 13.01695 ZT20-23 14.92015 14.92015 14.92015