MEAN ANNUAL RAINFALL MAP FOR PUERTO RICO July 19, 2012 / pragwater Source: Miller, G. L. and A. E. Lugo, 2009. Guide to the Ecological Systems of Puerto Rico. United States Department of Agriculture, Forest Service, International Institute of Tropical Forestry, General Technical Report IITF-GTR-35. pp. 436. Share this:FacebookTwitterLinkedInTumblrPinterestEmailRedditPrintLike this:Like Loading... Related