condition mean min max 4 h after light 0.2455025 0.164518 0.326487 8 h after light 0.1785175 0.0 0.357035 12 h after light 0.0 0.0 0.0 4 h after dark 0.0 0.0 0.0 8 h after dark 0.0706765 0.0 0.141353 12 h after dark 0.118954 0.0 0.237908