Climatological normal
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
- ^ a b Climate Variability and Climate Change Archived 2014-05-17 at the Wayback Machine; WHAT IS THE DIFFERENCE? Michigan Sea Grant
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