condition mean min max ZT0-3 141.28050000000002 141.28050000000002 141.28050000000002 ZT4-7 137.805 137.805 137.805 ZT8-11 82.92945 82.92945 82.92945 ZT12-15 88.6699 88.6699 88.6699 ZT16-19 95.32169999999999 95.32169999999999 95.32169999999999 ZT20-23 127.805 127.805 127.805