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Daymet

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.

Daymet V3 Annual and Monthly Climatology

Daymet V3 average annual minimum temperature for 1980 and 2015 for a subset of the Daymet domain in Alaska and western Canada.

Daymet V3 average annual minimum temperature for 1980 and 2015 for a subset of the Daymet domain in Alaska and western Canada.

Annual and monthly climatologies for 1980-2015 for minimum and maximum temperature, precipitation, and vapor pressure are now available for Daymet V3.

Daymet Version 3 Available

Daymet precipitation across eastern North America

Daymet V3 total precipitation for January (top) and August (bottom) of 2000 for a subset of the Daymet domain in eastern North America.

Version 3 expands Daymet coverage to the entire North American continent based on an improved algorithm, more robust ground-based weather station inputs, and additional climate networks.

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