List of Available Climate Data Archives

Important note: all files available here for downloading have been "compressed" under Unix in order to save space. A single compressed file has ".Z" extension. You may need to respecify the ".Z" extension when you save a compressed file. Some of our archives also have multiple files (such as time series) that are "tar"ed under Unix and have a ".tar" extension. As a result, files must be "untared" and/or "uncompressed" to return them to their original ASCII format, before they may be used.

How to cite our data: we recommend that users cite pertinent information contained in the README files associated with the data sets. A citation should contain the creators' (our) names and the creation and/or most-recent-modification date, as well as the title and URL associated with the data set. An example of how to cite one of our data sets is:

Willmott, C. J. and K. Matsuura (2001) Terrestrial Air Temperature and Precipitation: Monthly and Annual Time Series (1950 - 1999), http://climate.geog.udel.edu/~climate/html_pages/README.ghcn_ts2.html.

Please change the content accordingly.







Available Climate Data Archives

Global Air Temperature and Precipitation: Regridded Monthly and Annual Climatologies (V. 2.01)

README Documentation
air_temp.clim.Z (6.4MB) Average monthly and annual air temperature
air_temp.cve.clim.Z (4.0MB) Cross validation of air_temp.clim
air_temp_dem.clim.Z (6.4MB) DEM-aided average monthly and annual air temperature
air_temp_dem.cve.clim.Z (3.9MB) Cross validation of air_temp_dem.clim
precip.clim.Z (7.8MB) Average monthly and annual total precipitation
precip.cve.clim.Z (6.8MB) Cross validation of precip.clim
precip_corrected.clim.Z (8.0MB) Gage-corrected average monthly and annual total precipitation
precip_corrected.cve.clim.Z (7.0MB) Cross validation of precip_corrected.clim

Global Air Temperature: Regridded Monthly and Annual Climatologies (V. 2.02)

README Documentation
lw_temp_dem.clim.Z (6.5MB) DEM-aided average monthly and annual air temperature
lw_temp_dem_cv.clim.Z (4.0MB) Cross validation of lw_temp_dem.clim

Terrestrial Air Temperature and Precipitation: Monthly and Annual Climatologies (V 3.01)

README Documentation
cai_temp.clim.Z (2.3MB) Terrestrial monthly and annual average air temperature climatology
cai_temp.cv.clim.Z (1.4MB) Cross validation of cai_temp.clim
cai_precip.clim.Z (2.5MB) Terrestrial monthly and annual total preciptation climatology
cai_precip.cv.clim.Z (2.4MB) Cross validation of cai_precip.clim

Terrestrial Air Temperature and Precipitation: Monthly and Annual Climatologies (V 3.02)

README Documentation
cai_temp2.clim.Z (2.3MB) Terrestrial monthly and annual average air temperature climatology
cai_temp2_cv.clim.Z (1.4MB) Cross validation of cai_temp2.clim
cai_precip2.clim.Z (2.5MB) Terrestrial monthly and annual total preciptation climatology
cai_precip2_cv.clim.Z (2.5MB) Cross validation of cai_precip2.clim

Terrestrial Air Temperature and Precipitation: Monthly Climatologies (V 4.01)

README Documentation
air_temp2009.clim.gz (2.0MB) Terrestrial monthly and annual average air temperature climatology
air_temp2009_cv.clim.gz (1.2MB) Cross validation of air_temp2009.clim.gz
precip2009.clim.gz (2.1MB) Terrestrial monthly and annual total preciptation climatology
precip2009_cv.clim.gz (2.5MB) Cross validation of precip2009.clim.gz

Terrestrial Air Temperature and Precipitation: Monthly and Annual Time Series (1950 - 1996) (V 1.01)

README Documentation
cai_temp.tar (110MB) Terrestrial monthly and annual average air temperature series
cai_temp_cv.tar (71MB) Cross validation of cai_temp.tar
cai_precip.tar (113MB) Terrestrial monthly and annual total preciptation series
cai_precip_cv.tar (113MB) Cross validation of cai_precip.tar

Terrestrial Air Temperature and Precipitation: Monthly and Annual Time Series (1950 - 1999) (V 1.02)

README Documentation
cai_temp2.tar (116MB) Terrestrial monthly and annual average air temperature series
cai_temp2_cv.tar (76MB) Cross validation of cai_temp.tar
cai_prec2.tar (115MB) Terrestrial monthly and annual total preciptation series
cai_prec2_cv.tar (123MB) Cross validation of cai_precip.tar

Terrestrial Air Temperature: 1900-2008 Gridded Monthly Time Series (V 2.01)

README Documentation
air_temp2009.tar.gz (223MB) Terrestrial monthly air temperature series
air_temp_cv2009.tar.gz (124MB) Cross validation of air_temp2009.tar.gz

Terrestrial Precipitation: 1900-2008 Gridded Monthly Time Series (V 2.01)

README Documentation
precip2009.tar.gz (234MB) Terrestrial Monthly Precipitation series
precip_cv2009.tar.gz (222MB) Cross validation of precip2009.tar.gz

Terrestrial Air Temperature: 1900-2010 Gridded Monthly Time Series (V 3.01)

README Documentation
Global2011T.tar.gz (225MB) Terrestrial monthly air temperature series
Global2011TCv.tar.gz (122MB) Cross validation of Global2011T.tar.gz

Terrestrial Precipitation: 1900-2010 Gridded Monthly Time Series (V 3.01)

README Documentation
Global2011P.tar.gz (238MB) Terrestrial Monthly Precipitation series
Global2011PCv.tar.gz (225MB) Cross validation of Global2011P.tar.gz

Terrestrial Precipitation: 1900-2010 Gridded Monthly Time Series (V 3.02)

README Documentation
Global2011P.tar.gz (238MB) Terrestrial Monthly Precipitation series
Global2011PCv.tar.gz (225MB) Cross validation of Global2011P.tar.gz

Terrestrial Water Balance Data Archive: Regridded Monthly Climatologies (V. 1.01)

README Documentation
w* = 150mm Estimates based on a soil water-holding capacity of 150mm 
w*=100mm Estimates based on a soil water-holding capacity of 100mm
w*=75mm Estimates based on a soil water-holding capacity of 75mm
w*=50mm Estimates based on a water-holding capacity of 50mm

Terrestrial Water Balance Data Archive: Regridded Monthly Climatologies (V. 1.02)

README Documentation
w*= 150mm Estimates based on a soil water-holding capacity of 150mm 

Terrestrial Water Budget Data Archive: Monthly Time Series (1950 - 1996) (V. 1.01)

README Documentation
w*=150mm Estimates based on a soil water-holding capacity of 150mm 

Terrestrial Water Budget Data Archive: Monthly Time Series (1950 - 1999) (V. 1.02)

README Documentation
w*=150mm Estimates based on a soil water-holding capacity of 150mm 

Terrestrial Water Budget Data Archive: Monthly Time Series (1900 - 2008) (V. 1.03)

README Documentation
w*=150mm Estimates based on a soil water-holding capacity of 150mm 

Terrestrial Water Budget Data Archive: Monthly Time Series (1900 - 2010) (V. 2.01)

README Documentation
w*=150mm Estimates based on a soil water-holding capacity of 150mm 

Terrestrial Water Budget Data Archive: Monthly Time Series (1900 - 2010) (V. 2.02)

README Documentation
w*=150mm Estimates based on a soil water-holding capacity of 150mm 

Willmott and Feddema's Moisture Index Archive: Gridded Monthly Climatologies (V. 1.01)

README Documentation
Moisture Indices (V. 1.01) Willmott and Feddema (1992) Moisture Indices

Willmott and Feddema's Moisture Index Archive: Gridded Monthly Climatologies (V. 1.02)

README Documentation
im.clim.Z Willmott and Feddema (1992) Moisture Indices

Willmott and Feddema's Moisture Index Archive: Monthly Time Series (1950 - 1999) (V. 1.01)

README Documentation
im.tar (66..6MB) Willmott and Feddema (1992) Moisture Indices Time Series

Willmott and Feddema's Moisture Index Archive: Monthly Time Series (1900 - 2010) (V. 2.01)

README Documentation
im.tar.gz (138.8MB) Willmott and Feddema (1992) Moisture Indices Time Series

Willmott and Feddema's Moisture Index Archive: Monthly Time Series (1900 - 2010) (V. 2.02)

README Documentation
im.tar.gz (138.8MB) Willmott and Feddema (1992) Moisture Indices Time Series

Arctic Land-Surface Air Temperature: Gridded Monthly and Annual Climatologies (V. 1.01)

README Documentation
air_temp.clim.Z (0.7MB) Average monthly and annual air temperature
air_temp.cve.clim.Z (0.4MB) Cross validation of air_temp.clim
air_temp.dai.clim.Z (0.7MB) DEM-aided average monthly and annual air temperature
air_temp.dai.cve.clim.Z (0.4MB) Cross validation of air_temp.dai.clim

Arctic Land-Surface Air Temperature: 1960-1990 Gridded Monthly Time Series (V. 1.01)

README Documentation
air_temp.trad.ts.tar (20.2MB) Monthly average air-temperature series from 1960 through 1990
air_temp.trad.cve.ts.tar (13.6MB) Cross validation series of air_temp.trad.ts.tar
air_temp.dai.ts.tar (20.5MB) DEM-aided monthly average air-temperature series from 1960 through 1990
air_temp.dai.cve.ts.tar (13.5MB) Cross-validation series of air_temp.dai.ts.tar

Arctic Land-Surface Air Temperature: 1930-2000 Gridded Monthly Time Series (V. 1.01)

README Documentation
air_temp.tar (54.5MB) Monthly average air-temperature series from 1930 through 2000
air_temp_cv.tar (35.7MB) Cross validation series of air_temp.tar

Arctic Land-Surface Air Temperature: 1930-2004 Gridded Monthly Time Series (V. 1.03)

README Documentation
air_temp.tar (57.6MB) Monthly average air-temperature series from 1930 through 2004
air_temp_cv.tar (36.6MB) Cross validation series of air_temp.tar

Arctic Land-Surface Precipitation: Gridded Monthly and Annual Climatologies (V. 1.01)

README Documentation
precip.clim.Z (0.8MB) Average monthly total precipitation climatology
precip.cve.clim.Z (0.6MB) Cross-validation of precip.clim

Arctic Land-Surface Precipitation: 1960-1990 Gridded Monthly Time Series (V. 1.01)

README Documentation
precip.trad.ts.tar (22.1MB) Monthly total precipitation series from 1960 through 1990
precip.trad.cve.ts.tar (19.5MB) Cross-validation series of precip.trad.ts.tar
precip.cai.ts.tar (22.1MB) Climatologically-aided monthly total precipitation series from 1960 through 1990
precip.cai.cve.ts.tar (19.7MB) Cross validation series of precip.cai.ts.tar

Arctic Land-Surface Precipitation: 1930-2000 Gridded Monthly Time Series (V. 1.01)

README Documentation
precip.tar (57.7MB) Monthly total precipitation series from 1930 through 2000
precip_cv.tar (52.0MB) Cross-validation series of precip.tar

Arctic Land-Surface Precipitation: 1930-2004 Gridded Monthly Time Series (V. 1.03)

README Documentation
precip.tar (60.8MB) Monthly total precipitation series from 1930 through 2004
precip_cv.tar (55.1MB) Cross-validation series of precip.tar

Tropical Land-Surface Precipitation: Gridded Monthly and Annual Climatologies (V. 1.01)

README Documentation
cai_precip_trop.clim.Z (6.9MB) Average monthly total precipitation climatology
cai_precip_trop_cv.clim.Z (6.0MB) Cross validation of cai_precip_trop.clim

Tropical Land-Surface Precipitation: 1950-1999 Gridded Monthly Time Series (V. 1.01)

README Documentation
cai_precip_trop.tar (33.0MB) Monthly total precipitation series from 1950 through 1999
cai_precip_trop_cv.tar (29.8MB) Cross validation series of cai_precip_trop.tar

South American Air Temperature: Gridded Monthly and Annual Climatologies (V. 1.01)

README Documentation
air_temp.clim.Z (0.1MG) Average monthly and annual air temperature
air_temp.cve.clim.Z (0.1MB) Cross validation of air_temp.clim
air_temp.dai.clim.Z (0.1MB) DEM-aided average monthly and annual air temperature
air_temp.dai.cve.clim.Z (0.1MB) Cross validation of air_temp.dai.clim

South American Air Temperature: 1960-1990 Gridded Monthly Time Series (V. 1.01)

README Documentation
air_temp.trad.ts.tar (4.1MB) Monthly average air-temperature series from 1960 through 1990
air_temp.trad.cve.ts.tar (3.2MB) Cross validation series of air_temp.trad.ts.tar
air_temp.dai.ts.tar (4.2MB) DEM-aided monthly average air-temperature series from 1960 through 1990
air_temp.dai.cve.ts.tar (3.2MB) Cross-validation series of air_temp.dai.ts.tar

South American Precipitation: Gridded Monthly and Annual Climatologies (V. 1.02)

README Documentation
precip.clim.Z (0.2MB) Average monthly total precipitation climatology
precip.cve.clim.Z (0.2MB) Cross-validation of precip.clim

South American Precipitation: 1960-1990 Gridded Monthly Time Series (V. 1.02)

README Documentation
precip.trad.ts.tar (5.9MB) Monthly total precipitation series from 1960 through 1990
precip.trad.cve.ts.tar (5.5MB) Cross-validation series of precip.trad.ts.tar
precip.cai.ts.tar (5.9MB) Climatologically-aided monthly total precipitation series from 1960 through 1990
precip.cai.cve.ts.tar (5.5MB) Cross validation series of precip.cai.ts.tar


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