condition mean min max ZT0-3 104.88693333333333 88.0436 116.124 ZT4-7 104.1528 104.1528 104.1528 ZT8-11 87.4832 87.4832 87.4832 ZT12-15 96.67585 95.7475 97.60419999999999 ZT16-19 101.47245 101.47245 101.47245 ZT20-23 124.94050000000001 124.94050000000001 124.94050000000001