condition mean min max ZT0-3 116.8135 116.8135 116.8135 ZT4-7 91.5303 91.5303 91.5303 ZT8-11 92.17830000000001 92.17830000000001 92.17830000000001 ZT12-15 82.54085 82.54085 82.54085 ZT16-19 121.292 121.292 121.292 ZT20-23 124.61350000000002 124.61350000000002 124.61350000000002