Earth:Climatological normal
From HandWiki
Climatological normal is a 30-year average of a weather variable.[1] Climatological normals are used as an average or baseline to evaluate climate events and provide context for year-to-year variability. Normals can be calculated for a variety of weather variables including temperature and precipitation and rely on data from weather stations. Variability from the 30-year averages is typical and climate variability looks at the magnitude of extremes.[1] The current normals period used, for example, is 1981-2010.
See also
References
- ↑ 1.0 1.1 Climate Variability and Climate Change; WHAT IS THE DIFFERENCE? Michigan Sea Grant
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