The Zimmermann note helped turn U.S. public opinion against Germany during World War I and strengthened the advocates of U.S. entry into the war.
Weather/ Climate. Precipitation normally occurs during the late spring, early summer. There is an annual average for precipitation: 20 to 35 inches. In the Summer temperatures average about 100 degrees fahrenheit. In the Winter tempreratures can be as low as - 40 degrees fahrenheit.
In the winter, grassland temperatures can be as low as -40Â° F, and in the summer it can be as high 70Â° F. There are two real seasons: a growing season and a dormant season. The growing season is when there is no frost and plants can grow (which lasts from 100 to 175 days).