condition mean min max ZT0-3 13.684224512250001 7.8581122489999995 19.5103367755 ZT4-7 40.1355263975 38.99093552 41.280117274999995 ZT8-11 46.14734899 37.850974295 54.443723684999995 ZT12-15 194.59601440249997 188.33174300499996 200.86028579999999 ZT16-19 175.81045277500002 147.67361705000002 203.9472885 ZT20-23 108.9513232675 107.3221187 110.580527835