Use the given information to answer the question.
The population of rabbits varies with the season due to migration, birth and death. The number, N, of rabbits during month x on a certain midwestern farm can be estimated with the following graph, where

corresponds to January, x = 2 corresponds to February, and so on.

What month has the fewest rabbits?
◦ February
◦ December
◦ January
◦ March