A man cools off in the Washington Square Park Fountain in New York City on July 22, 2011. (Photo credit: TIMOTHY A. CLARY/AFP/Getty Images)
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A woman freshens her make-up as she cools her feet in the fountain New York City's Columbus Circle, Thursday, July 21, 2011. (AP Photo/Richard Drew)
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A visitor to Times Square drinks water from a Water-On-the-Go fountain installed by the city's DEP agency, Thursday, July 21, 2011. (AP Photo/Mary Altaffer)
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Youngsters cool off in a playground water spray on Thursday, July 21, 2011, in the East Flatbush section of Brooklyn. (AP Photo/Bebeto Matthews)
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A man takes a drink of water while walking near Central Park July 19, 2011 in New York (Photo credit: STAN HONDA/AFP/Getty Images)
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Vanity Mendez, 11, left, Isaiah Rivera, 6, center, and Jonathan Medina, 11, cool off at an open fire hydrant in the East Village on Thursday, July 21, 2011. (AP Photo/Mary Altaffer)
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A group of students from Rome, Italy cool off in the Washington Square Park Fountain in New York City on July 22, 2011. (Photo credit: TIMOTHY A. CLARY/AFP/Getty Images)
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Savitri Hiralall holds her daughter Reese David, 5 months, for a water spray while her son Riley, 2, splashes through a playground water park on Thursday, July 21, 2011, in the East Flatbush section of Brooklyn. (AP Photo/Bebeto Matthews)
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Natalia Rozumkoda, age 3, runs through a fountain in John Jay Park on the Upper east Side of New York City on July 21, 2011 as people try different ways to beat the hot weather. (Photo credit: TIMOTHY A. CLARY/AFP/Getty Images)
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Stephanie Gracia, center, sit nearby and watch as her children and their friends cool off in an inflatable pool outside their apartment on Thursday, July 21, 2011, in the Bushwick section of Brooklyn. (AP Photo/Bebeto Matthews)
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A fan tries to stay cool to beat the heat during the game between the New York Mets and the St. Louis Cardinals on July 21, 2011 at Citi Field in Flushing. (Photo by Al Bello/Getty Images)
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(Photo credit: TIMOTHY A. CLARY/AFP/Getty Images)
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A man takes a nap in his car on the Upper east Side of New York City on July 21, 2011. (Photo credit: TIMOTHY A. CLARY/AFP/Getty Images)
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A student from Rome, Italy cools off in the Washington Square Park Fountain in New York City on July 22, 2011. (Photo credit: TIMOTHY A. CLARY/AFP/Getty Images)
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Rashawn West, 17, shakes water off his head while carrying his 1-year-old son Al-Shameir West while trying to beat the heat at Pennington Court apartments, Thursday, July 21, 2011, in Newark, N.J. (AP Photo/Julio Cortez)
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A man takes a drink of water on Fifth Avenue July 19, 2011 in New York.(Photo credit: STAN HONDA/AFP/Getty Images)
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A man lays down next to the fountains at Columbus Circle on July 19, 2011 in New York to try and beat the heat. (Photo credit: TIMOTHY A. CLARY/AFP/Getty Images)
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A group of students from Rome, Italy cool off on a lawn sprinkler in Washington Square Park in New York City on July 22. (Photo credit: TIMOTHY A. CLARY/AFP/Getty Images)
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Abbie Stebbins, left, a aide at Ironbound Senior Center, fills a water bottle for a community member, right, who declined to be identified, at one of the area cooling centers, Thursday, July 21, 2011, in Newark, N.J. (AP Photo/Julio Cortez)