condition mean min max 3 h after light 0.19415666666666667 0.119654 0.285799 6 h after light 0.0560377 0.0 0.0891847 9 h after light 0.0 0.0 0.0 12 h after light 0.11904133333333333 0.0 0.357124 3 h after dark 0.0 0.0 0.0 6 h after dark 0.0287202 0.0 0.0861606 9 h after dark 0.0 0.0 0.0 12 h after dark 0.0 0.0 0.0