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Search Results(189)

U.S. Gridded Standardized Precipitation Evapotranspiration Index (SPEI) from nClimGrid-Daily

The US Gridded Standardized Precipitation Index (SPI) is derived from the nClimGrid-Daily dataset and and includes timescales of 1, 2, and 3 weeks, as well as 1, 2, 3, 4, 6, 9, and 12 months.

Data Coverage
Contiguous U.S.
Period of Record
1951 – Present
File Format
text (ascii)
csv
netcdf-4
Data Type
Land-based Station

U.S. Gridded Standardized Precipitation Evapotranspiration Index (SPEI) from nClimGrid-Monthly

The United States Gridded Standardized Precipitation Evapotranspiration Index (SPEI) is derived from the nClimGrid-Monthly dataset and includes timescales of 1, 2, 3, 6, 9, 12, 24, 36, 48, 60 and 72 months.  The nClimGrid-monthly dataset is a gridded dataset derived from spatially interpolating data from the Global Historical Climatology Network (GHCN), starting in 1895.

Data Coverage
United States
Period of Record
1895–Present (Base Period 1895–2014)
File Format
netcdf-4
Data Type
Land-based Station

U.S. Gridded Standardized Precipitation Index (SPI) from nClimGrid-Daily

The US Gridded Standardized Precipitation Index (SPI) is derived from the nClimGrid-Daily dataset and and includes timescales of 1, 2, and 3 weeks, as well as 1, 2, 3, 4, 6, 9, and 12 months.

Data Coverage
Contiguous U.S.
Period of Record
1951 – Present
File Format
text (ascii)
csv
netcdf-4
Data Type
Land-based Station

U.S. Gridded Standardized Precipitation Index (SPI) from nClimGrid-Monthly

The US Gridded Standardized Precipitation Index (SPI) is derived from the nClimGrid-Monthly dataset and includes timescales of 1, 2, 3, 6, 9, 12, 24, 36, 48, 60 and 72 months.

Data Coverage
United States
Period of Record
1895–Present (Base Period 1895–2014)
File Format
netcdf-4
Data Type
Land-based Station