condition mean min max ZT0-3 39.4061 39.4061 39.4061 ZT4-7 35.272800000000004 35.272800000000004 35.272800000000004 ZT8-11 44.32145 44.32145 44.32145 ZT12-15 45.67355 45.67355 45.67355 ZT16-19 47.4666 47.4666 47.4666 ZT20-23 40.537099999999995 40.537099999999995 40.537099999999995