The National Weather Service has exacting definitions for hurricanes; they are tropical storms with winds in excess of 74 mph. The following bar graph shows the number of hurricanes, by month, that have made landfall on the mainland United States between 1851 and 2012. Use this graph to answer in below Exercises.

1. In which month did the fewest hurricanes make landfall in the United States?
2. Approximate the number of hurricanes that made landfall in the United States in September.
3. In 2007, only one hurricane made landfall on the United States during the entire season, in the month of September. If there have been 107 hurricanes to make landfall in the month of September since 1851, approximately what percent of these arrived in 2007?

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Hurricanes Making Landfall in the United States, by Month, 1851–-2012 June July August September October 0 10 20 30 40 50 60 70 80 90 100 110 Number of Hurricanes Month