condition mean min max ZT0-3 278.60450000000003 278.60450000000003 278.60450000000003 ZT4-7 475.201 475.201 475.201 ZT8-11 400.7785 400.7785 400.7785 ZT12-15 104.615 104.615 104.615 ZT16-19 40.70755 40.70755 40.70755 ZT20-23 120.422 120.422 120.422