condition mean min max ZT0-3 84.72690354916666 75.878691475 93.57511562333333 ZT4-7 86.98585670333333 86.02976407999999 87.94194932666666 ZT8-11 86.82519068 82.94820268000001 90.70217868 ZT12-15 118.51014742833334 118.45467389666666 118.56562096 ZT16-19 93.77840609166667 91.84664148 95.71017070333333 ZT20-23 95.34740627833334 85.79086871333334 104.90394384333334