Image:Average precipitation in the lower 48 states of the USA.png

[edit] Description

Average precipitation in the lower 48 states of the United States of America.

[edit] Source

http://www.nationalatlas.gov/printable/precipitation.html

[edit] License

This map was obtained from an edition of the National Atlas of the United States. Like almost all works of the U.S. federal government, works from the National Atlas are in the public domain. Online access: NationalAtlas.gov | 1970 print edition: Library of Congress, Perry-Castañeda Library