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Global Historical Climatology Network (GHCN) Monthly Precipitation, Version 4

Published by NOAA National Centers for Environmental Information | National Oceanic and Atmospheric Administration, Department of Commerce | Catalog Last Checked: April 12, 2026 at 09:26 PM | Dataset Last Updated: July 09, 2024 at 12:00 AM
The Global Historical Climatology Network (GHCN) Monthly Precipitation, Version 4 is a collection of worldwide monthly precipitation values with measurement, quality control, and source flags for global locations. Values are in tenths of a millimeter and coverage is mostly global land masses with voids as expected in less populated areas. It offers significant enhancements over the previous version 2. It contains more values both historically and for the most recent months. Its methods for merging records and quality control have been modernized. It is used by the National Centers for Environmental Information (NCEI) to put recent months' precipitation into a historical context. The data set is updated each month and available through NCEI's data access portal.

Resources

7 resources available

  • NCEI Dataset Landing Page

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  • NCEI Global Historical Climatology Network monthly (GHCNm)

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  • NCEI Direct Download (Data)

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  • NCEI Direct Download (Dataset Documentation)

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  • Global Change Master Directory (GCMD) Keywords

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  • GCOS Essential Climate Variables

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  • NOAA National Centers for Environmental Information (NCEI)

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