condition mean min max ZT0-3 4939.15 4939.15 4939.15 ZT4-7 3986.8 3986.8 3986.8 ZT8-11 3853.6499999999996 3853.6499999999996 3853.6499999999996 ZT12-15 3939.75 3939.75 3939.75 ZT16-19 4239.85 4239.85 4239.85 ZT20-23 4488.1 4488.1 4488.1