condition mean min max 0 h after light 11.48645 10.9371 12.0358 2 h after light 3.07565 3.06978 3.08152 4 h after light 2.69299 2.39109 2.99489 8 h after light 5.026785 3.98868 6.06489 12 h after light 7.89811 5.81861 9.97761 2 h after dark 8.6449 6.826 10.4638 4 h after dark 8.071575 7.42426 8.71889 8 h after dark 12.656400000000001 10.804 14.5088 12 h after dark 12.281695 9.12089 15.4425