condition mean min max 0 h after light 1.45692 1.2223 1.69154 4 h after light 1.2431195000000002 0.791139 1.6951 8 h after light 2.02533 1.60897 2.44169 4 h after dark 3.62725 2.57016 4.68434 8 h after dark 2.578945 2.34872 2.80917 12 h after dark 1.941765 1.68927 2.19426