condition mean min max 4 h after light 3.4572000000000003 3.11893 3.79547 8 h after light 4.364715 4.1957 4.53373 12 h after light 4.055804999999999 4.0179 4.09371 4 h after dark 4.213065 3.76913 4.657 8 h after dark 5.02473 4.27247 5.77699 12 h after dark 4.52932 4.31283 4.74581