condition mean min max 4 h after light 0.0524224 0.0349415 0.0699033 8 h after light 0.0 0.0 0.0 12 h after light 0.0 0.0 0.0 4 h after dark 0.04577665 0.0305251 0.0610282 8 h after dark 0.03798385 0.0302679 0.0456998 12 h after dark 0.0549701 0.0502647 0.0596755