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Description

This dataset provides annual climate summaries derived from Daymet Version 4 R1 daily data at a 1 km x 1 km spatial resolution for five Daymet variables: minimum and maximum temperature, precipitation, vapor pressure, and snow water equivalent. Annual averages are provided for minimum and maximum temperature, vapor pressure, and snow water equivalent, and annual totals are provided for the precipitation variable. Each data file is provided as a single year by variable and covers the same period of record as the Daymet V4 R1 daily data. The annual climatology files are derived from the larger datasets of daily weather parameters produced on a 1 km x 1 km grid for North America (including Canada, the United States, and Mexico), Hawaii, and Puerto Rico. Separate annual files are provided for the land areas of continental North America, Hawaii, and Puerto Rico. Data are distributed in standardized Climate and Forecast (CF)-compliant netCDF (.nc) and Cloud Optimized GeoTIFF (.tif) file formats. In Version 4 R1, all 2020 and 2021 files (60 total) were updated to improve predictions especially in high-latitude areas. It was found that input files used for deriving 2020 and 2021 data had, for a significant portion of Canadian weather stations, missing daily variable readings for the month of January. NCEI has corrected issues with the Environment Canada ingest feed which led to the missing readings. The revised 2020 and 2021 Daymet V4 R1 files were derived with new GHCNd inputs. Files outside of 2020 and 2021 have not changed from the previous V4 release.

Product Summary

Platforms
MODELS
Instruments
Computer
Spatial Extent

N: 83.7064 S: 6.07616 E: -53.055 W: -178.204

Location
PUERTO RICO ,
HAWAII ,
NORTH AMERICA
Coordinate System
CARTESIAN
Granule Spatial Representation
CARTESIAN
Temporal Extent
1950-01-01 to 2024-12-31
Data Partner
THE OAK RIDGE NATIONAL LABORATORY (ORNL) DISTRIBUTED ACTIVE ARCHIVE CENTER (DAAC) (ORNL_DAAC)
Concept ID
C2531982907-ORNL_CLOUD
Data State
COMPLETE
Number of Files/Granules
1650
Processing Level
4
Published
Updated
Science Keywords
Maximum/Minimum Temperature ,
Precipitation Amount ,
Snow Water Equivalent ,
Vapor Pressure ,
Shortwave Radiation

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, M. M., Shrestha, R., Wei, Y., Thornton, P. E., & Kao, S.-C. (2022). Daymet: Annual Climate Summaries on a 1-km Grid for North America, Version 4 R1 (Version 4.1). ORNL Distributed Active Archive Center. https://doi.org/10.3334/ORNLDAAC/2130 Date Accessed: 2026-05-09

Documents

Publications Citing This Dataset

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Title Year Author Topic
JAMES BUTTLE REVIEW
: A Synthesis of Riparian Plant Water Use Over Two Decades in North American Drylands 		Palmquist, Emily C., Nagler, Pamela, Ogle, Kiona, DiMartini, Claudia, Kennedy, Jeffrey R., Sankey, Joel B. Maximum/Minimum Temperature, Precipitation Amount, Snow Water Equivalent, Vapor Pressure, Shortwave Radiation
Flood risks to the financial stability of residential mortgage borrowers: an integrated modeling approach Fitzmaurice, Kieran P., Garcia, Helena M., Sebastian, Antonia, Thomson, Hope, Zeff, Harrison B., Characklis, Gregory W. Maximum/Minimum Temperature, Precipitation Amount, Snow Water Equivalent, Vapor Pressure, Shortwave Radiation
Ecovoltaic solar energy development effects to microclimate, temperature, and soil moisture in panel array interspaces in a warm desert Pinos, Juan, Munson, Seth M., Karban, Claire C., Petrie, Matthew D. Maximum/Minimum Temperature, Precipitation Amount, Snow Water Equivalent, Vapor Pressure, Shortwave Radiation
Understanding multi-hazard risk for U.S. coastal cities Poudel, Subash, Bista, Sunil, Bhattarai, Saurav, Sharma, Sanjib, Talchabhadel, Rocky Maximum/Minimum Temperature, Precipitation Amount, Snow Water Equivalent, Vapor Pressure, Shortwave Radiation
Assessing Consistency across high-resolution North American Precipitation Datasets Guilpart, Etienne, Theriault, Julie Mireille, Di Luca, Alejandro, Roberge, Francois, Picart, Tangui Maximum/Minimum Temperature, Precipitation Amount, Snow Water Equivalent, Vapor Pressure, Shortwave Radiation
Fire effects on floral abundance of bumble bee host plants in mixed-oak forests Shafer, Moses R., Puppo, Pamela, Hutchinson, Todd F., Palmquist, Kyle A. Maximum/Minimum Temperature, Precipitation Amount, Snow Water Equivalent, Vapor Pressure, Shortwave Radiation
Effects of Green Infrastructure Practices on Runoff and Water Quality in the Arroyo Colorado Watershed, Texas Mugisha, Pamela, Sinha, Tushar Maximum/Minimum Temperature, Precipitation Amount, Snow Water Equivalent, Vapor Pressure, Shortwave Radiation
Does within-biome drought sensitivity reflect patterns across biomes? Hedberg, Sydney L., Dao, Phuong D., Knapp, Alan K. Land Use/Land Cover Classification, Vegetation Index, Normalized Difference Vegetation Index (NDVI), Enhanced Vegetation Index (EVI), Maximum/Minimum Temperature, Precipitation Amount, Snow Water Equivalent, Vapor Pressure, Shortwave Radiation
Novel deep learning transformer model for short to subseasonal streamflow forecast Ambika, Anukesh Krishnankutty, Tayal, Kshitij, Mishra, Vimal, Lu, Dan Maximum/Minimum Temperature, Precipitation Amount, Snow Water Equivalent, Vapor Pressure, Shortwave Radiation
Long Short-Term Memory Model to Forecast River Ice Breakup Throughout Alaska USA Limber, Russ, Hoffman, Forrest M., Schwenk, Jon, Kumar, Jitendra Maximum/Minimum Temperature, Precipitation Amount, Snow Water Equivalent, Vapor Pressure, Shortwave Radiation
Mammals on the Margins: Identifying the Drivers and Limitations of Range Expansion Jensen, Alex J., Goldstein, Benjamin R., Cove, Michael V., Pacifici, Krishna, Kierepka, Elizabeth, Rooney, Brigit, McShea, William, Kays, Roland Maximum/Minimum Temperature, Precipitation Amount, Snow Water Equivalent, Vapor Pressure, Shortwave Radiation
Remote Effects of Urbanization on Temperatures in Adjacent Cities: A Case Study in Utah Gu, Hongping, Zhang, Wei, Gillies, Robert R. Maximum/Minimum Temperature, Precipitation Amount, Snow Water Equivalent, Vapor Pressure, Shortwave Radiation
Using aridity as an overarching factor to advance understanding of soil organic carbon storage at the continental scale Lavallee, Jocelyn M., Haddix, Michelle L., Swan, Amy, Hoover, Jamie D., Cotrufo, M. Francesca Photosynthesis, Primary Production, VEGETATION PRODUCTIVITY, Maximum/Minimum Temperature, Precipitation Amount, Snow Water Equivalent, Vapor Pressure, Shortwave Radiation
Unifying species distributions, community science and the natural removal experiment' to explore species interactions at broad geographic scales Macklin, Rory D. J., Jankowski, Jill E. Land Use/Land Cover Classification, Maximum/Minimum Temperature, Precipitation Amount, Snow Water Equivalent, Vapor Pressure, Shortwave Radiation
Can climate variability and landscape position predict white pine blister rust incidence, mortality due to the disease, and regeneration in whitebark pine? Kovalenko, Vladimir, Bate, Lisa, Six, Diana L. Maximum/Minimum Temperature, Precipitation Amount, Snow Water Equivalent, Vapor Pressure, Shortwave Radiation
Warm places, warm years, and warm seasons increase parasitizing of moose by winter ticks DeCesare, Nicholas J., Harris, Richard B., Atwood, M. Paul, Bergman, Eric J., Courtemanch, Alyson B., Cross, Paul C., Fralick, Gary L., Hersey, Kent R., Hurley, Mark A., Koser, Troy M., Levine, Rebecca L., Monteith, Kevin L., Newby, Jesse R., Peterson, Collin J., Robertson, Samuel, Wise, Benjamin L. Maximum/Minimum Temperature, Precipitation Amount, Snow Water Equivalent, Vapor Pressure, Shortwave Radiation
Influence of Atmospheric Rivers on Alaskan River Ice Limber, Russ, Massoud, Elias C., Guan, Bin, Hoffman, Forrest M., Kumar, Jitendra Maximum/Minimum Temperature, Precipitation Amount, Snow Water Equivalent, Vapor Pressure, Shortwave Radiation
Differentiating Cheatgrass and Medusahead Phenological Characteristics in Western United States Rangelands Benedict, Trenton D., Boyte, Stephen P., Dahal, Devendra Maximum/Minimum Temperature, Precipitation Amount, Snow Water Equivalent, Vapor Pressure, Shortwave Radiation
Estimating stream sediment loads to assess management options for a Southern Appalachian mountain lake Wilcox, Jeffrey D., Stark, Karen Ann, Svetlov, Ruth Maximum/Minimum Temperature, Precipitation Amount, Snow Water Equivalent, Vapor Pressure, Shortwave Radiation
Optimizing crop seeding rates on organic grain farms using on farm precision experimentation Loewen, Sasha, Maxwell, Bruce D. Maximum/Minimum Temperature, Precipitation Amount, Snow Water Equivalent, Vapor Pressure, Shortwave Radiation
Opportunities and challenges for precipitation forcing data in post-wildfire hydrologic modeling applications Partridge, Trevor F., Johnson, Zachary C., Sleeter, Rachel R., Qi, Sharon L., Walvoord, Michelle A., Murphy, Sheila F., PetermanPhipps, Cara, Ebel, Brian A. Maximum/Minimum Temperature, Precipitation Amount, Snow Water Equivalent, Vapor Pressure, Shortwave Radiation
Mesic vegetation persistence: A new approach for monitoring spatial and temporal changes in water availability in dryland regions using cloud computing and the ... Shrestha, Nawaraj, Kolarik, Nicholas E., Brandt, Jodi S. Maximum/Minimum Temperature, Precipitation Amount, Snow Water Equivalent, Vapor Pressure, Shortwave Radiation
Moths versus Bees: Contrasts in Habitat Preferences Across Barrens of the Northeastern USA Barton, Andrew M., Poulos, Helen M., Crisfield, Elizabeth, Dillon, Amanda, Mello, Mark, Selfridge, Jennifer, Van de Poll, Rick, Hardy, Sarah Maximum/Minimum Temperature, Precipitation Amount, Snow Water Equivalent, Vapor Pressure, Shortwave Radiation
What controls hydrology? An assessment across the contiguous United States through an interpretable machine learning approach Li, Kailong, Razavi, Saman Maximum/Minimum Temperature, Precipitation Amount, Snow Water Equivalent, Vapor Pressure, Shortwave Radiation
Sitespecific weed management on organic grain farms using variable rate seeding and data driven simulation Loewen, Sasha, Maxwell, Bruce D. Maximum/Minimum Temperature, Precipitation Amount, Snow Water Equivalent, Vapor Pressure, Shortwave Radiation
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