condition mean min max 0 h after light 1.0229165 0.875893 1.16994 4 h after light 1.3098205 0.892471 1.72717 8 h after light 6.021685 4.91052 7.13285 4 h after dark 3.5899900000000002 2.87879 4.30119 8 h after dark 2.45507 2.30039 2.60975 12 h after dark 1.0046275 0.583145 1.42611