Frost is not uncommon in the desert<span> but, due to the very dry condition year round, snow is rare.This creates a rain shadow that accounts for the </span>formation<span> of the </span><span>desert.
The answer is Rain</span>
New York City, New York. 40.7128° N, 74.0060° W
The Volga river is the largest river in Europe, so that should be the answer.