condition mean min max 0 h after light 5.476015 5.1177 5.83433 2 h after light 7.388055 6.55024 8.22587 4 h after light 5.14893 4.58931 5.70855 8 h after light 12.2853 11.0836 13.487 12 h after light 11.1645 10.0308 12.2982 2 h after dark 9.76373 8.62676 10.9007 4 h after dark 8.958355000000001 8.79208 9.12463 8 h after dark 8.010785 6.72431 9.29726 12 h after dark 6.60402 6.21133 6.99671