condition mean min max ZT0-3 63.8197322875 54.50358806 73.135876515 ZT4-7 108.01310409000001 99.74317143 116.28303675000001 ZT8-11 108.1632976575 104.622013955 111.70458135999999 ZT12-15 430.673728075 403.37261279999996 457.97484335 ZT16-19 439.88461425 395.1840112 484.58521730000007 ZT20-23 261.8859178 222.50015495000002 301.27168065