condition mean min max ZT0-3 24.383200000000002 18.0516 30.7148 ZT4-7 38.315650000000005 38.315650000000005 38.315650000000005 ZT8-11 37.6361 37.6361 37.6361 ZT12-15 0 0 0 ZT16-19 43.82775 43.82775 43.82775 ZT20-23 42.75735 42.75735 42.75735