condition mean min max ZT0-3 4572.0 4572.0 4572.0 ZT4-7 5249.1 5249.1 5249.1 ZT8-11 5346.95 5346.95 5346.95 ZT12-15 5260.15 5260.15 5260.15 ZT16-19 5503.1 5503.1 5503.1 ZT20-23 4955.95 4955.95 4955.95