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With 30–40 days at or above 100°F, western Oklahoma experiences more extreme summer temperatures than elsewhere in the state. Both the panhandle and eastern Oklahoma average about 15 days above the century mark.
The Oklahoma ecoregion map was compiled at a scale of 1:250,000; it revises and subdivides an earlier level III ecoregion map that was originally compiled at a smaller scale (Omernik, 1987; U.S. Environmental Protection Agency, 2005).
B.W., Arndt, D.S., and Moran, B.C., 2005, Ecoregions of Oklahoma (color poster with map, descriptive text, summary tables, and photographs): Reston, Virginia, U.S. Geological Survey (map scale 1:1,250,000).
Geographic map of Oklahoma. The Geography of Oklahoma encompasses terrain and ecosystems ranging from arid plains to subtropical forests and mountains. Oklahoma contains 10 distinct ecological regions, more per square mile than in any other state by a wide margin. [1]
Oklahoma Level 4 Ecoregions Map. Based on Ecoregions developed by the EPA this map describe areas of general similarity in ecosystems and in the type, quality, and quantity of environmental resources, as well as similarity of climate that can assist Oklahoma gardenders.
The Oklahoma Climatological Survey's Electronic Climate Atlas is designed to help Oklahoma's citizens, decision-makers and students make informed weather- and climate-related assessments and decisions. Oklahoma's climate delivers nature's many moods.
Mile for mile, Oklahoma offers the nation’s most diverse terrain. It’s one of only four states with more than 10 ecoregions, and has by far, the most per mile in America according to the EPA. Oklahoma’s ecoregions – or, terrains/subclimates – include everything from Rocky Mountain foothills to cypress swamps, tallgrass prairies, and ...
