condition mean min max 0 h after light 5.855315 4.43061 7.28002 2 h after light 2.622045 2.10244 3.14165 4 h after light 3.241915 2.36939 4.11444 8 h after light 5.88921 5.75783 6.02059 12 h after light 9.640455 8.89981 10.3811 2 h after dark 12.255749999999999 12.2437 12.2678 4 h after dark 7.764395 7.62028 7.90851 8 h after dark 9.11948 7.86856 10.3704 12 h after dark 5.35712 4.72944 5.9848