condition mean min max 4 h after light 0.0865795 0.021653 0.161849 8 h after light 0.09103203 0.00939279 0.202418 12 h after light 0.0306259 0.0220212 0.0357465 4 h after dark 0.09664953333333333 0.0 0.19577 8 h after dark 0.0801367 0.0465994 0.129564 12 h after dark 0.13567726666666668 0.0839868 0.194174