Global Yearly Temperature Anomaly (1850 - present)

Climate analysis of global mean air and ocean temperature for each year compared to the 1971-2000 average provided by NOAA’s National Centers for Environmental Information.

Measurements of surface air and ocean temperature are compiled from around the world each month by NOAA’s National Centers for Environmental Information and are analyzed and compared to the 1971-2000 average temperature for each location. The resulting temperature anomaly (or difference from the average) is shown in this feature service, which includes an archive going back to 1880. The mean of the 12 months each year is displayed here.  Each annual update is available around the 15th of the following January (e.g., 2020 is available Jan 15th, 2021).  
The NOAAGlobalTemp dataset is the official U.S. long-term record of global temperature data and is often used to show trends in temperature change around the world. It combines thousands of land-based station measurements from the Global Historical Climatology Network (GHCN) along with surface ocean temperature from the Extended Reconstructed Sea Surface Temperature (ERSST) analysis. These two datasets are merged into a 5-degree resolution product. A report summary report by NOAA NCEI is available here. 
GHCN monthly mean station averages for temperature and precipitation for the 1981-2010 period are also available in Living Atlas here.

What can you do with this layer? 
Visualization: This layer can be used to plot areas where temperature was higher or lower than the historical average for each year since 1880. Be sure to configure the time settings in your web map to view the timeseries correctly.   
Analysis: This layer can be used as an input to a variety of geoprocessing tools, such as Space Time Cubes and other trend analyses. For a more detailed temporal analysis, a monthly mean is available here.  

Datasets available for download

Additional Info

Field Value
Last Updated March 24, 2026, 21:07 (UTC)
Created March 24, 2026, 21:04 (UTC)
Domain / Topic
Domain or topic of the dataset being cataloged.
Title
Title for the Dataset.
Global Yearly Temperature Anomaly (1850 - present)
Description
A description of the dataset.

Climate analysis of global mean air and ocean temperature for each year compared to the 1971-2000 average provided by NOAA’s National Centers for Environmental Information.

Measurements of surface air and ocean temperature are compiled from around the world each month by NOAA’s National Centers for Environmental Information and are analyzed and compared to the 1971-2000 average temperature for each location. The resulting temperature anomaly (or difference from the average) is shown in this feature service, which includes an archive going back to 1880. The mean of the 12 months each year is displayed here.  Each annual update is available around the 15th of the following January (e.g., 2020 is available Jan 15th, 2021).  
The NOAAGlobalTemp dataset is the official U.S. long-term record of global temperature data and is often used to show trends in temperature change around the world. It combines thousands of land-based station measurements from the Global Historical Climatology Network (GHCN) along with surface ocean temperature from the Extended Reconstructed Sea Surface Temperature (ERSST) analysis. These two datasets are merged into a 5-degree resolution product. A report summary report by NOAA NCEI is available here. 
GHCN monthly mean station averages for temperature and precipitation for the 1981-2010 period are also available in Living Atlas here.

What can you do with this layer? 
Visualization: This layer can be used to plot areas where temperature was higher or lower than the historical average for each year since 1880. Be sure to configure the time settings in your web map to view the timeseries correctly.   
Analysis: This layer can be used as an input to a variety of geoprocessing tools, such as Space Time Cubes and other trend analyses. For a more detailed temporal analysis, a monthly mean is available here.  
Tags / Keywords
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Format (CSV, XLS, TXT, PDF, etc)
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Dataset Size
Dataset size in megabytes.
0.0
Metadata Identifier
Metadata identifier – can be used as the unique identifier for catalogue entry
Published Date
Published date of the dataset.
2020-12-14
Time Period Data Span (start date)
Start date of the data in the dataset.
Time Period Data Span (end date)
End date of time data in the dataset.
GeoSpatial Area Data Span
A spatial region or named place the dataset covers.
Field Value
Access category
Type of access granted for the dataset (open, closed, service, etc).
public
License
License used to access the dataset.
This work is licensed under the Esri Master License Agreement. View Summary | View Terms of Use
Limits on use
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Location
Location of the dataset.
https://climat.esri.ca/datasets/esri2::global-yearly-temperature-anomaly-1850-present
Data Service
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Owner
Owner of the dataset.
esri_livefeeds2
Contact Point
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Esri
Contact Point Email
The email to contact regarding access?
Publisher
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Esri
Publisher Email
Email of the publisher.
Author
Author of the dataset.
esri_livefeeds2
Author Email
Email of the author.
Accessed At
Date the data and metadata was accessed.
2026-03-18
Field Value
Identifier
Unique identifier for the dataset.
861938b2dd3747789c144350048a838c
Language
Language(s) of the dataset
English
Link to dataset description
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https://climat.esri.ca/datasets/esri2::global-yearly-temperature-anomaly-1850-present
Persistent Identifier
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Globally Unique Identifier
Data is identified by a persistent and globally unique identifier.
Contains data about individuals
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Contains data about identifiable individuals
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Contains Indigenous Data
Does the data hold data about Indigenous communities?
Portal Type
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Field Value
Version
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None
Source
Source of the dataset.
None
Version notes
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Other versions
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Provenance Text
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Esri
Provenance URL
Provenance URL of the data.
Temporal resolution
Describes how granular the date/time data in the dataset is.
GeoSpatial resolution in meters
Describes how granular (in meters) geospatial data is in the dataset.
GeoSpatial resolution (in regions)
Describes how granular (in regions) geospatial data is in the dataset.
Field Value
Indigenous Community Permission
Who holds the Indigenous Community Permission. Who to contact regarding access to a dataset that has data about Indigenous communities.
Community Permission
Community permission (who gave permission).
The Indigenous communities the dataset is about
Indigenous communities from which data is derived.
Field Value
Number of data rows
If tabular dataset, total number of rows.
Number of data columns
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Number of data cells
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If RDF dataset, total number of triples.
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Number of data properties
If RDF dataset, total number of unique properties used by the triples.
Data quality
Describes the quality of the data in the dataset.
Metric for data quality
A metric used to measure the quality of the data, such as missing values or invalid formats.

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