condition mean min max 4 h after light 3.53422 3.25026 3.81818 8 h after light 2.75001 2.41926 3.08076 12 h after light 4.327155 3.084 5.57031 4 h after dark 5.32668 4.68849 5.96487 8 h after dark 4.60054 3.90171 5.29937 12 h after dark 4.32157 2.84066 5.80248