Question

If your research paper would benefit from a visual that compares temperatures in a city over time, what visual format should you use?

Answer 1

Regarding the question is important to define a research paper.

A research paper is a piece of academic writing based on it's author's original research on a particular topic and the analysis  and interpretation of the research findings.

According the visual format to use in this case, I would propose  a visual elements as pictures and tables. But in this particular context I will use a color graphic that shows the tendency of temperature variable.  

Answer 2

Use a line graph that shows all the temperatures over time