WorldClim is a set of global climate layers (climate grids) with a spatial resolution of a square kilometer. They can be used for mapping and spatial modeling in a GIS or other computer program. The data are described in: Hijmans, R.J., S.E. Cameron, J.L. Parra, P.G. Jones and A. Jarvis, 2005. Very high resolution interpolated climate surfaces for global land areas. International Journal of Climatology 25: 1965-1978 (pdf)
The WorldClim database is under continuous development, please provide us with feedback if you find any problems. The current version is Version 1.4 (release 3). It is only marginally different from version 1.3.
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Information about the methods used to generate the climate layers, and the units and formats of the data
Frequently asked questions and some 'known issues'
Our future plans and an invitation to collaborate...
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Links to other sources of climate data
WorldClim was developed by Robert J. Hijmans, Susan Cameron, and Juan Parra, at the Museum of Vertebrate Zoology, University of California, Berkeley, in collaboration with Peter Jones and Andrew Jarvis (CIAT), and with Karen Richardson (Rainforest CRC).
We thank the 1000s of people, from all countries of the world, who day after day recorded the weather data from which WorldClim was derived, and those who compiled national and international databases from these records. NatureServe provided financial support for the development of the interpolated layers available here. We also thank Arthur Chapman (CRIA), Pilar Hernandez (NatureServe), Niels Raes (Dutch National Herbarium) Mohammed Irfan Ullah (ATREE) and Catherine Graham for their help and suggestions.
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This dataset is freely available for academic and other non-commercial use. Redistribution or commercial use is not allowed without prior permission.
Last modified on 19 Jan 2006
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