Research Resources: Introduction to the “Daily Weather Records Data Tool” From the National Centers for Environmental Information (NCEI)

From the National Centers for Environmental Information (NCEI):

This easy-to-use product displays the number of stations that either tied or broke a daily, monthly, or all-time record. While these simplistic counts of records can provide insights into recent climate behavior, they do not supply a definitive way to identify trends in the number of records set over time.

The tool analyzes records from a subset of stations in the Global Historical Climatological Network The tool analyzes records from a subset of stations in the Global Historical Climatological Network. For a station to be considered for any parameter, it must have a minimum of 30 years of data with more than 182 days of data each year. This is effectively a “30-year record of service” requirement, but allows for inclusion of some stations which routinely shut down during certain seasons.

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