condition mean min max 4 h after light 3.2715949999999996 3.13704 3.40615 8 h after light 0.289377 0.271577 0.307177 12 h after light 3.5033950000000003 3.1985 3.80829 4 h after dark 4.630191 0.998943 6.71093 8 h after dark 5.653086666666667 5.43898 5.76257 12 h after dark 3.5172740000000005 0.754732 5.00825