condition mean min max ZT0-3 129.116515 129.116515 129.116515 ZT4-7 103.05745200000001 103.05745200000001 103.05745200000001 ZT8-11 106.2435215 106.2435215 106.2435215 ZT12-15 127.0012875 127.0012875 127.0012875 ZT16-19 126.19469699999999 126.19469699999999 126.19469699999999 ZT20-23 112.38590400000001 112.38590400000001 112.38590400000001