Yellowstone Insider Your Complete Guide to America's First National Park
In fact, it’s a little surprising that visitation wasn’t down more last month, when visitation was 218,317, down 12.8 percent from May 2010 levels, when the weather was better (though still not great) and main roads and entrances weren’t closed or curtailed because of weather conditions.
Here’s a look at Yellowstone National Park visitation in 2011, compared to last year:
| Month | 2011 | 2010 | Change |
| January | 24,517 | 25,595 | -4.2% |
| February | 28,174 | 29,108 | -3.2% |
| March | 18,728 | 21,028 | -10.9% |
| April | 28,147 | 32,763 | -14.1% |
| May | 218,317 | 250,445 | -12.9% |
| Year-to-Date | 317,882 | 358,939 | -11.4% |
The park has experienced back-to-back record visitation years, with nearly 3.3 million visitors in 2009 and over 3.6 million visitors in 2010.
RELATED STORIES: Yellowstone Visitation Up for 2010, Down for May
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