condition mean min max ZT0-3 85.2823114625 79.249898 91.31472492500001 ZT4-7 74.7407353025 71.795928785 77.68554182 ZT8-11 110.0683821275 95.73541639 124.40134786499999 ZT12-15 94.6579378275 72.917556455 116.3983192 ZT16-19 66.0541559475 55.80698218 76.30132971500001 ZT20-23 45.402052165 38.97255301 51.83155132