condition mean min max 3 h after light 0.0934044 0.0761862 0.103742 6 h after light 0.0 0.0 0.0 9 h after light 0.0 0.0 0.0 12 h after light 0.153852475 0.0656994 0.255395 3 h after dark 0.0270415 0.0 0.0811245 6 h after dark 0.22222266666666668 0.109937 0.404165 9 h after dark 0.15978666666666666 0.0 0.272958 12 h after dark 0.0607945 0.0 0.121589