What term describes the average weather conditions in a region over many years?

Study for the North Carolina Grade 8 End-of-Grade Science Test. Prepare with multiple choice questions, each question has hints and explanations. Ace your exam!

Multiple Choice

What term describes the average weather conditions in a region over many years?

Explanation:
Long-term patterns of weather define climate. Weather is the day-to-day state of the atmosphere—things like today’s temperature, precipitation, and wind. These conditions can change from hour to hour or day to day. Climate describes the typical weather in a region when you average those conditions over many years (scientists often use about 30 years of data). That makes climate the best term for describing average weather conditions over a long time. The atmosphere is simply the layer of gases around Earth, not the idea of long-run patterns, and “conditions” is too vague to name the idea of a long-term average.

Long-term patterns of weather define climate. Weather is the day-to-day state of the atmosphere—things like today’s temperature, precipitation, and wind. These conditions can change from hour to hour or day to day. Climate describes the typical weather in a region when you average those conditions over many years (scientists often use about 30 years of data). That makes climate the best term for describing average weather conditions over a long time. The atmosphere is simply the layer of gases around Earth, not the idea of long-run patterns, and “conditions” is too vague to name the idea of a long-term average.

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