condition mean min max 4 h after light 2.2106950000000003 1.61402 2.80737 8 h after light 3.195365 2.9842 3.40653 12 h after light 4.71921 3.97362 5.4648 4 h after dark 7.2640199999999995 6.31133 8.41345 8 h after dark 4.849403333333333 1.45581 8.10054 12 h after dark 6.04543 4.3562 8.64487