condition mean min max 3 h after light 0.0 0.0 0.0 6 h after light 0.0 0.0 0.0 9 h after light 0.0 0.0 0.0 12 h after light 0.0 0.0 0.0 3 h after dark 0.2946317058166667 0.0 0.883893 6 h after dark 0.69972 0.0 2.09916 9 h after dark 0.0 0.0 0.0 12 h after dark 0.0 0.0 0.0