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 0.0 0.0 0.0 6 h after dark 0.027403999999999998 0.0 0.082212 9 h after dark 0.0 0.0 0.0 12 h after dark 0.04712015 0.0 0.0942403