condition mean min max ZT0-3 0.07892721875 0.056479176 0.1013752615 ZT4-7 0.5804015465 0.12717181500000002 1.0336312779999999 ZT8-11 7.15261195 4.7233451075 9.5818787925 ZT12-15 10.810881304999999 9.963107738 11.658654872 ZT16-19 4.40957028175 4.3273298205 4.491810743 ZT20-23 4.7595526085 4.739872968 4.779232249