condition mean min max 0 h after light 6.055305 5.32217 6.78844 4 h after light 2.657945 2.40588 2.91001 8 h after light 3.8467000000000002 3.60533 4.08807 4 h after dark 5.663435 5.52938 5.79749 8 h after dark 6.27669 6.1044 6.44898 12 h after dark 3.34793 2.94753 3.74833