condition mean min max ZT0-3 34.468650000000004 33.4209 35.516400000000004 ZT4-7 36.884699999999995 36.884699999999995 36.884699999999995 ZT8-11 34.7396 34.7396 34.7396 ZT12-15 0 0 0 ZT16-19 50.32495 50.32495 50.32495 ZT20-23 37.4292 37.4292 37.4292