Climates and Seasons Annual Global Precipitation (Back to Lesson) National Science Education Standards Earth Science Weather changes from day to day and over the seasons. Weather can be described by measurable quantities, such as temperature, wind direction and speed, and precipitation. (K-4) Clouds, formed by the condensation of water vapor, affect weather and climate. (5-8) National Geography Standards How to use maps and other geographic representations, tools, and technologies to acquire, process, and report information.

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