condition mean min max ZT0-3 1699.3 1699.3 1699.3 ZT4-7 1422.6 1422.6 1422.6 ZT8-11 1484.1 1484.1 1484.1 ZT12-15 1806.0500000000002 1806.0500000000002 1806.0500000000002 ZT16-19 2203.35 2203.35 2203.35 ZT20-23 1974.45 1974.45 1974.45