EO Atlas
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Datasets/Daymet_V4
d013·dataset

Daily weather across North America

Daymet Daily Surface Weather 1km North America
ORNL DAAC Daymet_V4 cloud-native 1 km daily NetCDFGeoTIFF hydrologyagricultureclimate

Daily gridded weather (Tmax, Tmin, precipitation, day-length, SWE, shortwave radiation) for North America at 1 km. Drives ecological and hydrological model forcing.

Daymet Daily Surface Weather 1km North America

Daily gridded weather (Tmax, Tmin, precipitation, day-length, SWE, shortwave radiation) for North America at 1 km. Drives ecological and hydrological model forcing.

Access

Gotchas

  • North America only — not global
  • Interpolated from ground stations; less reliable in sparse-station regions (Arctic, Mexico)
  • Annual + monthly aggregates are derived products with their own short names
  • Other datasets: d016

Sources

The access details, code, and sources below are kept in the original English for technical accuracy.

Quick access (cloud-direct)

daymet_v4_access.py
import earthaccess
earthaccess.login(strategy="netrc")

results = earthaccess.search_data(
    short_name="Daymet_Daily_V4R1",
    bounding_box=(-122.5, 37.2, -121.8, 37.9),
    temporal=("2024-01-01", "2024-12-31"),
)
files = earthaccess.open(results)   # stream from ORNL DAAC
Browsing CMR needs no login. Downloading or streaming bytes needs a free Earthdata Login + the earthaccess package.

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