condition mean min max 3 h after light 0.09730933333333334 0.0 0.291928 6 h after light 0.0 0.0 0.0 9 h after light 0.0 0.0 0.0 12 h after light 0.05289125 0.0 0.211565 3 h after dark 0.0 0.0 0.0 6 h after dark 0.0 0.0 0.0 9 h after dark 0.0 0.0 0.0 12 h after dark 0.209703 0.0 0.419406