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Daymet

What is New in Daymet 2017?

Daymet single pixel downloads accessed the week of August 14, 2017.

Daymet single pixel downloads in the vicinity of Yellowstone National Park, USA, accessed the week of August 14, 2017.

Daymet now includes gridded climate data through year 2017 and a redesigned data extraction tool.

Calculate Climate Anomalies from Daymet

Climate normal and anomaly calculated from Daymet

Climate anomaly (right panel) in minimum daily temperature for year 1990 compared to the long-term normal (left panel). The climate normal and anomaly were calculated for a single 2-degree tile from the Daymet dataset.

New Jupyter notebook tutorials show how to access and visualize Daymet climate data from within Python and how to calculate climate normals and anomalies.

Saharan Dust and Puerto Rico Drought

total annual precipitation in Puerto Rico for year 2015

Total annual precipitation in Puerto Rico for year 2015, from the Daymet data available at ORNL DAAC.

New research uses the long-term record of daily precipitation from Daymet to examine the role of Saharan dust in Puerto Rico's 2015 drought.

How accurate are Daymet data?

Mean absolute error (in cm) of modeled precipitation from Daymet V3 for the year 2016 in the Western USA.

Mean absolute error (in cm) of modeled precipitation from Daymet V3 for the year 2016 in the Western USA.

Daymet cross-validation data allow for goodness-of-fit estimates at individual weather stations across North America.

Daymet Data for Year 2016 Now Available

Daymet data is archived and distributed by the ORNL DAAC

Daymet data is archived and distributed by the ORNL DAAC

Daymet takes in daily meteorological observations to produce high-resolution, gridded estimates of daily weather parameters across North America.

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