condition mean min max ZT0-3 1477.1 1477.1 1477.1 ZT4-7 1200.0 1200.0 1200.0 ZT8-11 935.4000000000001 935.4000000000001 935.4000000000001 ZT12-15 1063.95 1063.95 1063.95 ZT16-19 1432.15 1432.15 1432.15 ZT20-23 1314.65 1314.65 1314.65