condition mean min max 4 h after light 0.02867515 0.0 0.0573503 8 h after light 0.0195951 0.0 0.0391902 12 h after light 0.04566995 0.0 0.0913399 4 h after dark 0.0575818 0.0 0.10828 8 h after dark 0.019094033333333333 0.0 0.0572821 12 h after dark 0.035125199999999995 0.0 0.0786784