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Daymet

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.

Daymet Version 3 Data Now Available

Daymet V3.0 2012 Average Daily Maximum Temperature for North America, Hawaii, and Puerto Rico

Daymet V3.0 2012 Average Daily Maximum Temperature for North America, Hawaii, and Puerto Rico

The new version of Daymet data includes an expanded North American spatial extent including Canada, the United States (including Alaska), Mexico, Puerto Rico, and Hawaii.

Quantifying uncertainty in Daymet, 1980-2015

Daymet cross-validation showing the number of station-days evaluated, "nstndays", per 2-degree by 2-degree Daymet tile for 1980 precipitation.

Daymet cross-validation showing the number of station-days evaluated, "nstndays", per 2-degree by 2-degree Daymet tile for 1980 precipitation.

The Daymet data set has been updated to provide estimates of uncertainty in the daily temperature and precipitation values for North America.

2015 Daymet data now available

Average daily maximum temperature in 2015 from Daymet.

Average daily maximum temperature in 2015 from Daymet.

Daymet is a gridded data set of estimates of daily weather parameters for North America.

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