The hours of daylight for any given location on Earth is related to the tilt of the Earth's axis. If you track the amount of daylight at one location over the period of one year, you will get a sinusoidal curve. 1. Search Wolfram Alpha for "Sioux City, lowa on January 1, 2010." Round the hours of daylight to the nearest tenth of an hour. Fill in the table, giving the number of hours of daylight for the 1st day of each month of 2010. Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec DAY OF THE YEAR 1 HOURS OF DAYLIGHT 9.1 20 2. Graph the table data. 18 12 10 Jan Feb Mar App May Jun Jul Aug Sep Oct Nov Dec 3. The number of hours of daylight has a period of 12 months, or 365 days. Briefly explain what this means