condition mean min max 3 h after light 0.47690366666666667 0.0 1.15072 6 h after light 1.1392303333333333 0.760191 1.4795 9 h after light 0.479513 0.25101 0.909904 12 h after light 1.71612025 0.464931 3.13301 3 h after dark 1.61205 1.08802 2.5949 6 h after dark 0.4823536666666667 0.287273 0.747242 9 h after dark 0.440491 0.372714 0.525146 12 h after dark 0.36508 0.285523 0.444637