condition mean min max 0 h after light 7.66046 7.1716 8.14932 2 h after light 4.631335 4.47311 4.78956 4 h after light 2.675455 2.22655 3.12436 8 h after light 5.64436 4.32037 6.96835 12 h after light 6.994275 5.80227 8.18628 2 h after dark 4.811355 4.71709 4.90562 4 h after dark 4.593635 4.02082 5.16645 8 h after dark 5.922015 4.92946 6.91457 12 h after dark 6.66636 6.37941 6.95331