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USA

CLIMATE

The climate of the USA is different in each state, though most of the United States has a continental climate characterized by considerable annual variability; coastal regions, moderated by the oceans, have less variable climates. Hawaii has slight variability. Alaska is partly cold-wet and partly cold-dry. The Eastern US is humid (annual rainfall - 20"). The Western US except for the mountain and the maritime Pacific coast is mostly semi-arid (annual rainfall - 10 & 20"), though parts are arid (annual rainfall less than 10").

The Western mountains (annual rainfall - 20"). The North Western coast (annual rainfall - 100"). Along the Pacific coast rainfall occurs mostly during the winter. In the Central US it is greatest during the summer growing season. Rainfall in the Eastern States is rather even throughout the year.

The country's temperatures are varied. Winters in North US are long and cold. Temperatures are influenced by the proximity to oceans.

North East - New York average annual temperature is 55 deg F (12.77 deg C).
South - Charleston, S.C., average annual temperature is 66 deg F (18.89 deg C).
Southern Florida - Miami average annual temperature is 75 deg F (23.88 deg C).
The Central US - Minneapolis, Minn., the average annual temperature is 45 deg F (7.22 deg C).
The West coast - Portland, Oreg., the average annual temperature is 54 deg F(12.22 deg C).
Los Angeles - the average annual temperature is 63 deg F (17.22 deg C).

Temperature and Rainfall in some cities of the USA :
Average - Temperature in deg C / Rainfall in inches January April July October -
Atlanta (Temp/ Rain) - 10.6/ 4.9"; 22.78/ 4.4"; 31.67/ 4.7"; 23.33/ 2.5"
Chicago - 1.7/ 1.6"; 15.00/ 3.7"; 28.33/ 3.6"; 17.78/ 2.3"
Dallas - 12.2/ 1.7"; 28.89/ 3.6"; 36.67/ 2.0"; 26.67/ 2.5"
Honolulu - 26.67/ 3.8"; 28.33/ 1.5"; 31.11/ 0.5"; 30.55/ 1.9"
Las Vegas - 13.33/ 0.5"; 25.00/ 0.2"; 40.55/ 0.5"; 27.78/ 0.3"
Los Angeles - 19.56/ 3.7"; 21.67/ 1.2"; 28.89/ 0.0"; 26.11/ 0.2"
New Orleans - 16.67/ 5.0"; 26.11/ 4.5"; 32.78/ 6.7"; 26.11/ 2.7"
New York - 3.33/ 3.2"; 16.11/ 3.8"; 29.44/ 3.8"; 18.89/ 3.4"
St. Louis - 3.33/ 1.7"; 19.55/ 3.6"; 31.67/ 3.6"; 20.55/ 2.3"
Seattle - 7.22/ 5.9"; 14.44/ 2.5"; 23.33/ 0.9"; 15.55/ 3.4"

Climatic hazards in the US include hurricanes along the Gulf and the Atlantic coasts. Tornadoes in the South East and Central States. Hail on the Western plains. Dry electric storms that cause forest fires on the Western mountains. Floods in the Central and the Eastern States and along the Pacific coasts in winter. Droughts in most of the Western States.

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