condition mean min max 0 h after light 0.0 0.0 0.0 2 h after light 0.0630395 0.0 0.126079 4 h after light 0.0 0.0 0.0 8 h after light 0.0 0.0 0.0 12 h after light 0.071831 0.0 0.143662 2 h after dark 0.064785 0.0 0.12957 4 h after dark 0.0627695 0.0 0.125539 8 h after dark 0.0 0.0 0.0 12 h after dark 0.0 0.0 0.0