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CLIMATE AND GLOBAL CLIMATIC ZONES
Climate - the average atmospheric conditions over a long period of time.
Weather - the current and temporary atmospheric conditions.

TERMINOLOGY USED TO DESCRIBE CLIMATE OVER SMALL AREAS
1) macroclimate - the climate or weather conditions of a relatively large area, usually 24 to 50 miles.
2) local climate - the climate or weather conditions of a smaller localized area; ex. a valley,
                            stand of trees, open field, sides of a hill, etc.
3) microclimate - the climate or weather conditions of a very small area, ex. inside vs. outside
                            a canopy, upper vs. lower leaf surface, etc.
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GLOBAL CLIMATIC ZONES (determined by position of earth relative to the sun)
1) Tropical Climatic Zone
    The area between the 23 1/2o latitude N and S of equator.
    Between the Tropic of Cancer (off S. tip of Fla. and middle of Mexico) and the Tropic of Capricorn
    Warm, rarely if ever freezes

2) Temperate Climatic Zone
    The area between the 23 1/2o and 66 1/2o latitude N & S.
    Between Tropic of Cancer and Arctic Circle, and Tropic of Capricorn and Antarctic Circle.
    Has hot and cold seasons

    a) sub-tropical - often used to describe the southern most area of the Temperate Climatic Zone 
        (ex. South Florida and Rio Grande Valley), but it is not an official climatic zone.

3) Arctic Climatic Zone
   The area between the 66 1/2o N latitude and the N. Pole and the 66 1/2o S latitude and the S. Pole.
   North of Arctic Circle, and south of Antarctic circle.
    Always cold and frozen