Answer:
A. Month 6 because it had an average of 15.2 hours of sunlight.
Step-by-step explanation:
Summer Solstice occurs in June, which is the sixth month of the year. Summer Solstice is the longest day of the year, for the Northern hemisphere this is between the 20, 21 or 22 of June, During one of these days, the Northern hemisphere is more exposed to the sun rays giving more hours of sunlight, which means a longer day.