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Global Precipitation Climatology Project (GPCP) - Monthly, Version 2.2 (Version Superseded)

**Version 2.2 of the dataset has been superseded by a newer version. Users should not use version 2.2 except in rare cases (e.g., when reproducing previous studies that used version 2.2).** The Global Precipitation Climatology Project (GPCP) comprises a total of 27 products with the two primary products being the monthly satellite-gauge and associated precipitation error estimates. The Version 2.2 monthly product covers the period January 1979 to the present, with a delay of two to three months for data reception and processing. Version 2.2 supersedes all previous versions of the GPCP monthly product, including Versions 1, 1b, 1c, V2x79, 2 and 2.1. (Previous versions are not available from the NOAA/NCEI archive). All the GPCP products are produced by optimally merging precipitation estimates computed from microwave, infrared, sounder data observed by the international constellation of precipitation-related satellites, and precipitation gauge analyses, taking advantage of the strengths of each data type. Files are provided monthly, and the newest monthly data are appended to a yearly data file as they are available. Monthly products include a satellite-gauge combined precipitation product, a satellite gauge random error error precipitation product, and intermediate files--all of which are available on a 2.5 degree grid. Code and documentation are also available.

About this Dataset

Updated: 2024-02-22
Metadata Last Updated: 2025-11-20T02:54:30.814Z
Date Created: N/A
Data Provided by:
Dataset Owner: N/A

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Table representation of structured data
Title Global Precipitation Climatology Project (GPCP) - Monthly, Version 2.2 (Version Superseded)
Description **Version 2.2 of the dataset has been superseded by a newer version. Users should not use version 2.2 except in rare cases (e.g., when reproducing previous studies that used version 2.2).** The Global Precipitation Climatology Project (GPCP) comprises a total of 27 products with the two primary products being the monthly satellite-gauge and associated precipitation error estimates. The Version 2.2 monthly product covers the period January 1979 to the present, with a delay of two to three months for data reception and processing. Version 2.2 supersedes all previous versions of the GPCP monthly product, including Versions 1, 1b, 1c, V2x79, 2 and 2.1. (Previous versions are not available from the NOAA/NCEI archive). All the GPCP products are produced by optimally merging precipitation estimates computed from microwave, infrared, sounder data observed by the international constellation of precipitation-related satellites, and precipitation gauge analyses, taking advantage of the strengths of each data type. Files are provided monthly, and the newest monthly data are appended to a yearly data file as they are available. Monthly products include a satellite-gauge combined precipitation product, a satellite gauge random error error precipitation product, and intermediate files--all of which are available on a 2.5 degree grid. Code and documentation are also available.
Modified 2025-11-20T02:54:30.814Z
Publisher Name N/A
Contact N/A
Keywords Earth Science > Atmosphere > Precipitation , Atmospheric - Surface - Precipitation , Geographic Region > Global , Vertical Location > Land Surface , Vertical Location > Sea Surface , GPCP > Global Precipitation Climatology Project , GEWEX > Global Energy and Water Cycle Experiment , SSMI > Special Sensor Microwave/Imager , SSMIS > Special Sensor Microwave Imager/Sounder , Rain Gauges , TOVS > TIROS Operational Vertical Sounder , AIRS > Atmospheric Infrared Sounder , GOES > NOAA Geostationary Operational Environmental Satellites , NOAA POES > NOAA Polar Orbiting Environmental Satellites , WEATHER STATIONS , DMSP > Defense Meteorological Satellite Program , TIROS > Television Infrared Observation Satellite , 250 km - HTML Markup Was Removed , DOC/NOAA/NESDIS/NCDC > National Climatic Data Center, NESDIS, NOAA, U.S. Department of Commerce , DOC/NOAA/NESDIS/NCEI > National Centers for Environmental Information, NESDIS, NOAA, U.S. Department of Commerce , NASA/GSFC/SED/ESD/LA/GPM > GPM Project Office, Laboratory for Atmospheres, Earth Sciences Division, Science and Exploration Directorate, Goddard Space Flight Center, NASA , climatologyMeteorologyAtmosphere
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