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Rainfall Amount By State

This article answers the question, does my state get enough rain to justify rainwater harvesting?

Does My State Get Enough Rain?

One of the biggest questions some have when considering rainwater is whether or not their state receives enough rainfall to supply their home. Well, using rainfall data from the past century we know that this is not a problem!

But, it can be helpful to see that nation at a glance to see whether your state receives an adequate amount of rainfall to use for your needs. This chart hopefully answers the question, does my state get enough rain to justify rainwater harvesting?

Data credited to: https://www.ncei.noaa.gov/

Rainfall Amount by State

Understanding the map view is amazing for an overview! But here is the nitty gritty!

Alabama

Annual: 58.3 Inches | Avg. Monthly: 4.86 Inches

Alaska

Annual: 22.5 Inches | Avg. Monthly: 1.88 Inches

Arizona

Annual: 13.6 Inches | Avg. Monthly: 1.33 Inches

Arkansas

Annual: 50.6 Inches | Avg. Monthly: 4.22 Inches

California

Annual: 22.2 Inches | Avg. Monthly: 1.85 Inches

Colorado

Annual: 15.9 Inches | Avg. Monthly: 1.33 Inches

Connecticut

Annual: 50.3 Inches | Avg. Monthly: 4.19 Inches

Delaware

Annual: 45.7 Inches | Avg. Monthly: 3.81 Inches

Florida

Annual: 54.5 Inches | Avg. Monthly: 4.54 Inches

Georgia

Annual: 50.7 Inches | Avg. Monthly: 4.23 Inches

Hawaii

Annual: 63.7 Inches | Avg. Monthly: 5.31 Inches

Idaho

Annual: 18.9 Inches | Avg. Monthly: 1.56 Inches

Illinois

Annual: 39.2 Inches | Avg. Monthly: 3.27 Inches

Indiana

Annual: 41.7 Inches | Avg. Monthly: 3.46 Inches

Iowa

Annual: 34 Inches | Avg. Monthly: 2.83 Inches

Kansas

Annual: 28.9 Inches | Avg. Monthly: 2.41 Inches

Kentucky

Annual: 48.9 Inches | Avg. Monthly: 4.08 Inches

Louisiana

Annual: 60.1 Inches | Avg. Monthly: 5.01 Inches

Maine

Annual: 42.2 Inches | Avg. Monthly: 3.52 Inches

Maryland

Annual: 44.5 Inches | Avg. Monthly: 3.71 Inches

Massachusetts

Annual: 47.7 Inches | Avg. Monthly: 3.98 Inches

Michigan

Annual: 32.8 Inches | Avg. Monthly: 2.73 Inches

Minnesota

Annual: 27.3 Inches | Avg. Monthly: 2.28 Inches

Mississippi

Annual: 59 Inches | Avg. Monthly: 4.92 Inches

Missouri

Annual: 42.2 Inches | Avg. Monthly: 3.52 Inches

Montana

Annual: 15.3 Inches | Avg. Monthly: 1.28 Inches

Nebraska

Annual: 23.6 Inches | Avg. Monthly: 1.97 Inches

Nevada

Annual: 9.5 Inches | Avg. Monthly: 0.79 Inches

New Hampshire

Annual: 43.4 Inches | Avg. Monthly: 3.62 Inches

New Jersey

Annual: 47.1 Inches | Avg. Monthly: 3.93 Inches

New Mexico

Annual: 14.6 Inches | Avg. Monthly: 1.22 Inches

New York

Annual: 41.8 Inches | Avg. Monthly: 3.48 Inches

North Carolina

Annual: 50.3 Inches | Avg. Monthly: 4.19 Inches

North Dakota

Annual: 17.8 Inches | Avg. Monthly: 1.48 Inches

Ohio

Annual: 39.1 Inches | Avg. Monthly: 3.26 Inches

Oklahoma

Annual: 36.5 Inches | Avg. Monthly: 3.04 Inches

Oregon

Annual: 27.4 Inches | Avg. Monthly: 2.28 Inches

Pennsylvania

Annual: 42.9 Inches | Avg. Monthly: 3.58 Inches

Rhode Island

Annual: 47.9 Inches | Avg. Monthly: 3.99 Inches

South Carolina

Annual: 49.8 Inches | Avg. Monthly: 4.15 Inches

South Dakota

Annual: 20.1 Inches | Avg. Monthly: 1.68 Inches

Tennessee

Annual: 54.2 Inches | Avg. Monthly: 4.52 Inches

Texas

Annual: 28.9 Inches | Avg. Monthly: 2.42 Inches

Utah

Annual: 12.2 Inches | Avg. Monthly: 1.02 Inches

Vermont

Annual: 42.7 Inches | Avg. Monthly: 3.56 Inches

Virginia

Annual: 44.3 Inches | Avg. Monthly: 3.69 Inches

Washington

Annual: 38.4 Inches | Avg. Monthly: 3.2 Inches

West Virginia

Annual: 45.2 Inches | Avg. Monthly: 3.77 Inches

Wisconsin

Annual: 32.6 Inches | Avg. Monthly: 2.72 Inches

Wyoming

Annual: 12.9 Inches | Avg. Monthly: 1.08 Inches

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