condition mean min max ZT0-3 133.91523772916668 95.092193525 172.73828193333335 ZT4-7 165.0190575 156.950371 173.08774400000001 ZT8-11 145.68414705 139.23005523333333 152.13823886666668 ZT12-15 92.50506178833334 90.29609935 94.71402422666667 ZT16-19 103.16950230500001 95.37712267666666 110.96188193333334 ZT20-23 110.98236961333333 105.98474277666666 115.97999645