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MapMaster 3

Sea-Surface Temperature Anomalies: La Niña

OceansPhysical Environment

A composite of sea-surface temperature anomalies during La Niña from November to March during the following years: 1955, 1956, 1965, 1971, 1974, 1976, 1989, and 1999. When sea-surface temperatures in the tropical eastern Pacific drop below normal, it is known as a La Niña event.

NOAA

Sea-surface temperature: Negative 0.5 to negative 1.5 (purple): Central Pacific regions. Negative 0.25 to 0.25 (light purple) are in the Arctic and Atlantic Ocean. 0.25 to 2.25 (red) are mostly in the North Atlantic Ocean and South Pacific Ocean.

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Sea-Surface Temperature Anomalies: La Niña

British Empire, Early 1920s

Prevailing Agricultural Practices

-1.75 to -1.5

-1.5 to -1.25

-1.25 to -1.0

-1.0 to -0.75

-0.5 to -0.25

-0.25 to 0.25

0.5 to 0.75

Canada

Newfoundland

Commercial gardening

Dairy

Grain

Intensive subsistence, wet rice not dominant

Little or no agriculture

Livestock Ranching

Mediterranean

Mixed crop and livestock

Plantation

Alaska
0.230%0.159%
Arizona
11.4%12.2%74.4%0.405%0.105%
Utah
2.61%10.7%
Yukon
100%100%
Northwest Territories
98.8%0.342%
District of Columbia
100%
Florida
0.528%0.114%0.118%
Idaho
4.10%31.1%53.6%
New Hampshire
0.227%23.1%76.9%
Rhode Island
4.64%3.94%
Vermont
0.301%0.385%99.6%
Washington
0.523%11.0%0.217%6.88%24.7%
Wyoming
10.2%23.1%18.3%
Nunavut
0.349%97.0%0.595%
Montana
25.6%30.7%5.29%
Maine
0.133%0.770%0.284%20.2%37.6%12.1%
North Dakota
32.1%63.4%2.35%2.14%
Kentucky
100%
Nova Scotia
0.869%93.4%0.183%49.4%
Virginia
0.126%12.3%80.1%
Delaware
0.762%99.1%
Prince Edward Island
1.45%61.5%98.4%
Saskatchewan
100%1.89%11.9%81.2%5.04%
Mississippi
17.6%49.2%33.2%
West Virginia
13.1%86.9%
Nebraska
33.9%2.53%63.6%
Texas
0.183%3.30%2.73%33.1%56.8%0.184%
Missouri
96.0%4.01%
Louisiana
0.120%0.203%45.3%11.7%
Hawaii
2.11%0.444%1.11%0.206%0.177%1.57%1.65%58.6%
North Carolina
0.319%0.120%69.0%
Oregon
3.15%41.2%22.3%5.82%
New Brunswick
0.522%98.3%0.147%0.167%
Alabama
19.1%80.8%
New Mexico
0.302%5.01%0.786%4.18%
Kansas
44.9%0.337%54.8%
Wisconsin
97.7%0.782%1.50%
British Columbia
0.181%99.0%1.22%2.96%0.192%1.58%0.252%17.2%
Newfoundland and Labrador
0.356%1.10%97.5%25.0%
New Jersey
0.329%0.133%
South Carolina
32.9%67.0%
Michigan
0.112%99.0%0.555%0.431%
Alberta
100%13.2%76.8%0.686%7.41%
Connecticut
99.9%
Pennsylvania
15.9%5.77%35.8%
Colorado
0.215%35.4%46.4%
Nevada
5.36%0.608%0.185%
Massachusetts
1.78%0.491%6.18%0.195%
Georgia
4.17%60.4%
New York
0.105%0.168%2.89%55.9%15.1%
Maryland
0.874%0.157%24.7%
Québec
0.107%99.3%0.194%2.81%1.06%0.475%
Manitoba
99.9%2.12%97.9%
Oklahoma
4.69%21.6%73.7%
Tennessee
99.9%
Ontario
99.9%2.23%0.558%0.386%93.7%
California
0.105%4.11%9.14%51.8%34.7%
Arkansas
0.748%33.1%66.2%
South Dakota
0.441%8.22%19.4%71.9%
Ohio
40.0%60.0%
Indiana
4.74%95.3%
Minnesota
0.161%56.7%29.9%13.4%
Iowa
5.06%2.79%92.1%
Illinois
5.45%18.4%76.2%
0.16.0