condition mean min max ZT0-3 0.7382045392500001 0.571893936 0.9045151425 ZT4-7 0.14329502125 0.09082491849999999 0.19576512399999998 ZT8-11 13.0843765625 1.0253791170000002 25.143374008 ZT12-15 42.249477389999996 38.857588435 45.641366345 ZT16-19 20.018832222 14.486650294 25.55101415 ZT20-23 4.066416321 2.1727121704999997 5.9601204715