condition mean min max ZT0-3 986.381 675.432 1297.33 ZT4-7 93.0404 93.0404 93.0404 ZT8-11 128.90045 128.90045 128.90045 ZT12-15 0 0 0 ZT16-19 768.6725 768.6725 768.6725 ZT20-23 947.422 947.422 947.422