condition mean min max 2 h after light 0.0 0.0 0.0 6 h after light 0.0 0.0 0.0 10 h after light 0.0 0.0 0.0 2 h after dark 0.14632466666666666 0.0 0.438974 6 h after dark 0.0 0.0 0.0 10 h after dark 0.64463 0.0 1.93389