condition mean min max ZT0-3 91.71443300749999 78.371949915 105.05691609999998 ZT4-7 40.4464776875 39.138476465 41.75447891 ZT8-11 80.993881135 55.73496432499999 106.252797945 ZT12-15 88.75875815 73.222683785 104.294832515 ZT16-19 62.21920127 57.8842612 66.55414134 ZT20-23 48.8167796625 47.715055789999994 49.918503535