condition mean min max ZT0-3 20.492800000000003 20.492800000000003 20.492800000000003 ZT4-7 78.04405 78.04405 78.04405 ZT8-11 63.58165 63.58165 63.58165 ZT12-15 21.4542 21.4542 21.4542 ZT16-19 9.04522 9.04522 9.04522 ZT20-23 13.398800000000001 13.398800000000001 13.398800000000001