Original sentence: Because Rockland County is west of the Hudson River, many New Yorkers east of the river tend to dismiss it as part of "upstate".The exact definition of Upstate New York is somewhat ambiguous, but it the term often refers the whole of the state besides New York City, Long Island, Westchester County, and Rockland County, an area sometimes correspondingly called 'downstate'.The term "upstate" is often interpreted as mildly pejorative, especially in reference to regions whose status as "upstate" by the above definitions is ambiguous.While cold weather and snow are certainly a part of winter in the New York metropolitan area, there is a point somewhere north of New York City where due to a combination of higher terrain and distance from the coast winter mornings suddenly average 10 degrees colder and what would be a rainstorm in Manhattan more often than not becomes a snowstorm
Edited sentence: Because Rockland County is west of the Hudson River, many New Yorkers east of the river tend to dismiss it as part of 'upstate'.The exact definition of Upstate New York is somewhat ambiguous, but it is a somewhat pejorative term that often describes the whole of the state besides New York City, Long Island, Westchester County, and Rockland County, an area sometimes correspondingly called 'downstate'.While cold weather and snow are certainly a part of winter in the New York metropolitan area, there is a point somewhere north of New York City where due to a combination of higher terrain and distance from the coast winter mornings suddenly average 10 degrees colder and a rainstorm in Manhattan more often than not becomes a snowstorm