condition mean min max 0 h after light 3.58969 3.4777 3.70168 4 h after light 4.7448 4.41569 5.07391 8 h after light 5.597795 4.85418 6.34141 4 h after dark 6.27621 6.07942 6.473 8 h after dark 5.638730000000001 5.29046 5.987 12 h after dark 3.838895 3.44421 4.23358