condition mean min max 4 h after light 2.973875 2.83916 3.10859 8 h after light 2.662895 2.54959 2.7762 12 h after light 4.29103 4.02031 4.56175 4 h after dark 7.1857500000000005 7.07022 7.30128 8 h after dark 4.46833 4.24791 4.68875 12 h after dark 4.34853 4.18543 4.51163