condition mean min max ZT0-3 225.57399999999998 211.67849999999999 239.46949999999998 ZT4-7 236.65449999999998 236.65449999999998 236.65449999999998 ZT8-11 128.61849999999998 128.61849999999998 128.61849999999998 ZT12-15 0 0 0 ZT16-19 72.5735 72.5735 72.5735 ZT20-23 151.71800000000002 151.71800000000002 151.71800000000002