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Description

This dataset provides Daymet Version 3 model output data as gridded estimates of daily weather parameters for North America and Hawaii: including Canada, Mexico, the United States of America, and Puerto Rico. The island areas of Hawaii and Puerto Rico are available as files separate from the continental land mass. Daymet output variables include the following parameters: minimum temperature, maximum temperature, precipitation, shortwave radiation, vapor pressure, snow water equivalent, and day length. The dataset covers the period from January 1, 1980 to December 31 of the most recent full calendar year. Each subsequent year is processed individually at the close of a calendar year. Daymet variables are continuous surfaces provided as individual files, by variable and year, at a 1-km x 1-km spatial resolution and a daily temporal resolution. Data are in a Lambert Conformal Conic projection for North America and are distributed in a netCDF file format compliant with Climate and Forecast (CF) metadata conventions (version 1.6).

Product Summary

Platforms
METEOROLOGICAL STATIONS ,
MODELS
Instruments
TEMPERATURE SENSORS ,
RAIN GAUGES ,
Computer
Projects
Daymet
Spatial Extent

N: 83 S: 14 E: -52 W: -179

Location
ARCTIC ,
MID-LATITUDE ,
CANADA ,
MEXICO ,
UNITED STATES OF AMERICA
Coordinate System
CARTESIAN
Granule Spatial Representation
CARTESIAN
Temporal Extent
1980-01-01 to 2019-12-31
Data Partner
THE OAK RIDGE NATIONAL LABORATORY (ORNL) DISTRIBUTED ACTIVE ARCHIVE CENTER (DAAC) (ORNL_DAAC)
Concept ID
C4295323302-ORNL_CLOUD
Data State
DEPRECATED
Number of Files/Granules
0
Processing Level
4
Published
Updated
Science Keywords
Shortwave Radiation ,
Precipitation Amount ,
Maximum/Minimum Temperature ,
Snow Water Equivalent

Citation

Citation is critically important for dataset documentation and discovery. This dataset is openly shared, without restriction, in accordance with the EOSDIS Data Use and Citation Guidance.

Copy Citation

Thornton, P. E., Thornton, M. M., Mayer, B. W., Wei, Y., Devarakonda, R., Vose, R. S., & Cook, R. B. (2016). Daymet: Daily Surface Weather Data on a 1-km Grid for North America, Version 3 (Version 3). ORNL Distributed Active Archive Center. https://doi.org/10.3334/ORNLDAAC/1328 Date Accessed: 2026-09-27

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