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    • Merged Land and Ocean Surface Temperature, Version 3.5 (Version Superseded)

    Metadata Updated: December 12, 2025

    This version has been superseded by a newer version. It is highly recommended for users to access the current version. Users should only access this superseded version for special cases, such as reproducing studies. If necessary, this version can be accessed by contacting NCEI. The historical Merged Land-Ocean Surface Temperature Analysis (MLOST) is derived from two independent analyses, an Extended Reconstructed Sea Surface Temperature (ERSST) analysis and a land surface temperature (LST) analysis using the Global Historical Climatology Network (GHCN) temperature database. The data is merged into a compilation for monthly global surface temperature dating back from 1880 to the present, updated monthly, in gridded and timeseries formats. The changes from prior versions include improved tuning procedures, processing sea ice bias correction directly from ERSST, and the addition of satellite data. This data set is used in climate monitoring assessments of near-surface temperatures on a global scale.

    Access & Use Information

    License: No license information was provided. If this work was prepared by an officer or employee of the United States government as part of that person's official duties it is considered a U.S. Government Work.

    Downloads & Resources

    Dates

    Metadata Date June 23, 2023
    Metadata Created Date December 12, 2025
    Metadata Updated Date December 12, 2025
    Reference Date(s) March 24, 2011 (publication)
    Frequency Of Update notPlanned

    Metadata Source

    Harvested from ncdc

    Other Data Resources

    Graphic Preview

    A monthly, merged land-ocean temperature anomaly graph from 60S-60N and 1880-2014.

    Additional Metadata

    Resource Type Dataset
    Metadata Date June 23, 2023
    Metadata Created Date December 12, 2025
    Metadata Updated Date December 12, 2025
    Reference Date(s) March 24, 2011 (publication)
    Responsible Party DOC/NOAA/NESDIS/NCEI > National Centers for Environmental Information, NESDIS, NOAA, U.S. Department of Commerce (Point of Contact); NOAA National Centers for Environmental Information (Point of Contact)
    Contact Email
    Guid gov.noaa.ncdc:C00759
    Access Constraints Cite dataset when used as a source: Huang, B., T. Smith, J. Lawrimore, H.-M. Zhang, Merged Land-Ocean Surface Temperature, v3.5 [indicate subset used]. NOAA National Climatic Data Center. doi:10.7289/V5Q23X5V [access date]., *This version has been superseded by a newer version. It is highly recommended for users to access the current version. Users should only access this superseded version for special cases, such as reproducing studies. If necessary, this version can be accessed by contacting NCEI.*, Distribution liability: NOAA and NCEI make no warranty, expressed or implied, regarding these data, nor does the fact of distribution constitute such a warranty. NOAA and NCEI cannot assume liability for any damages caused by any errors or omissions in these data. If appropriate, NCEI can only certify that the data it distributes are an authentic copy of the records that were accepted for inclusion in the NCEI archives., Use liability: NOAA and NCEI cannot provide any warranty as to the accuracy, reliability, or completeness of furnished data. Users assume responsibility to determine the usability of these data. The user is responsible for the results of any application of this data for other than its intended purpose.
    Bbox East Long 180
    Bbox North Lat 90
    Bbox South Lat -90
    Bbox West Long -180
    Coupled Resource
    Frequency Of Update notPlanned
    Graphic Preview Description A monthly, merged land-ocean temperature anomaly graph from 60S-60N and 1880-2014.
    Graphic Preview File https://www.ncei.noaa.gov/pub/data/metadata/images/C00759_MLOST.png
    Graphic Preview Type PNG
    Harvest Object Id 0b0d3695-f797-4f3f-a95e-031daf22b946
    Harvest Source Id 2cb3ef77-1683-4c2a-9119-dc65e50917c6
    Harvest Source Title ncdc
    Licence For a complete description of use limitations for this data set, see the associated documents., This version has been superseded by a newer version. It is highly recommended for users to access the current version. Users should only access this superseded version for special cases, such as reproducing studies. If necessary, this version can be accessed by contacting NCEI.
    Lineage The Merged Land and Ocean Surface Temperature Analysis (MLOST) combines a global sea surface (water) temperature (SST) dataset with a global land surface air temperature dataset into this merged dataset of both the Earth land and ocean surface temperatures. The SST dataset is the Extended Reconstructed Sea Surface Temperature (ERSST) version 3b. The land surface air temperature dataset is similar to ERSST, but uses data from the Global Historical Climatology Network Monthly (GHCNM) database. The data were produced by and are archived at the NOAA National Centers for Environmental Information (NCEI).
    Metadata Language eng; USA
    Metadata Type geospatial
    Old Spatial {"type": "Polygon", "coordinates": [[[-180.0, -90.0], [180.0, -90.0], [180.0, 90.0], [-180.0, 90.0], [-180.0, -90.0]]]}
    Progress superseded
    Spatial Data Service Type
    Spatial Reference System
    Spatial Harvester True
    Temporal Extent Begin 1880-01-01
    Temporal Extent End 2015-04-01

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