The graph to the right represents the given equation h=2.415sin(pi/6(t-2.567))+12.25 with calculations worked out below. The graph also includes a line of y=12 to clearly display the months that had 12 or more hours of sunlight. The calculations show that 6 months of the year (months 3-8) had 12+ hours of sunlight. Because the number of days within a month vary, the days of March - August needed to be calculated (shown right). It appears that 184 days of the year Yuma has sunlight for 12 or more hours. Since half of a year is only 182.5 days, Cress' sunlight requirements will be met. |
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September 2015
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