condition mean min max ZT0-3 1151.35 1151.35 1151.35 ZT4-7 1080.9 1080.9 1080.9 ZT8-11 1048.7 1048.7 1048.7 ZT12-15 1483.3000000000002 1483.3000000000002 1483.3000000000002 ZT16-19 1670.6 1670.6 1670.6 ZT20-23 1355.05 1355.05 1355.05