The Rain Shadow of San Juan - Friday, January 16 2015
The Pacific Northwest is known for its rainfall. And we are not complaining. The rainfall here means full rivers, green grace, and a wonderful temperate summer. While places like the Olympic Peninsula get up to 60 inches of rain a year and Seattle close to 40 inches, San Juan Island receives as little as 15 inches of annual rain fall. Why the difference? San Juan Island is in a rain shadow, which acts as a kind of umbrella for the islands. Here in the San...