** FILE ** A rainbow appears in the New York sky over the Empire State Building after a light rain lowered the 90-plus-degree temperature on July 20, 2013. (AP Photo/Patrick Sison)

Photo by: Patrick Sison

** FILE ** A rainbow appears in the New York sky over the Empire State Building after a light rain lowered the 90-plus-degree temperature on July 20, 2013. (AP Photo/Patrick Sison)