condition mean min max ZT0-3 82.635399 82.635399 82.635399 ZT4-7 111.2390215 111.2390215 111.2390215 ZT8-11 101.204515 101.204515 101.204515 ZT12-15 83.790951 83.790951 83.790951 ZT16-19 91.585813 91.585813 91.585813 ZT20-23 98.73940400000001 98.73940400000001 98.73940400000001