condition mean min max ZT0-3 1.5003332499999997 0.8897364999999999 2.1109299999999998 ZT4-7 29.43475 29.43475 29.43475 ZT8-11 181.04500000000002 181.04500000000002 181.04500000000002 ZT12-15 0 0 0 ZT16-19 52.6237 52.6237 52.6237 ZT20-23 7.32624 7.32624 7.32624