condition mean min max 4 h after light 0.0174952 0.0 0.0524856 8 h after light 0.0206868 0.0 0.0620604 12 h after light 0.017957 0.0 0.053871 4 h after dark 0.010024333333333333 0.0 0.030073 8 h after dark 0.0467518 0.0 0.090188 12 h after dark 0.07264336666666667 0.0 0.158612