condition mean min max ZT0-3 982.15 982.15 982.15 ZT4-7 934.7 934.7 934.7 ZT8-11 713.0 713.0 713.0 ZT12-15 506.95000000000005 506.95000000000005 506.95000000000005 ZT16-19 312.45 312.45 312.45 ZT20-23 517.2 517.2 517.2