Climate Facts
| Iowa State University Professor Raymond W. Arritt on Climate and Climate Change... |
| Transcript of Dr. Arritt's talk presented at the 2012 annual conference of the Climate and Corn-based Cropping Systems Coordinated Agricultural Project. |
What's the difference between weather and climate?According to NASA, weather is what conditions of the atmosphere are over a short period of time, and climate is how the atmosphere "behaves" over relatively long periods of time. When we refer to climate we are referring to changes in long-term averages of daily weather. |
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| U.S. Global Climate Change Research Program 2009 Report ... Read the chapter on the Midwest. | Check out our blog posts by state climatologists, for updates on how current weather and climate change are currently affecting Midwest crops. |

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