Does Temperature Affect Gas Prices?

What is the reason for the ups and downs of today's gas prices?  Since the temperature goes up and down often, could it be that when the temperature goes up the prices of gasoline goes down?  Keep a record of gas prices for Lexington, Kentucky and the temperature of Lexington, Kentucky daily for two weeks.  

Next, decide which type of graph would better show your data? Display the data on a graph using Excel. From the data on your graphs, what is your conclusion?  Are gas prices affected by the temperature?

After you have made a conclusion, visit Howstuffworks to find out what can affect gas prices.