Drought Resources

Colorado Modified Palmer Index

Click the map for a directory of Palmer and SPI regional time series files

".out" files are Palmer Index values with columns: Year, Month, Avg Temp, Avg Precip, Temp Departure, Precip Fraction, Palmer Index

".spi" files are Standardized Precipitation Indices with columns: Year, Month, 3 Month SPI, 6 Month SPI, 9 Month SPI, 12 Month SPI, 24 Month SPI, 48 Month SPI

New climatic division for Colorado chosen for calculation of local Palmer Index values. Names and additional divisional information are given in Table here.

Colorado Palmer Drought Index Tables

(Click on Year below to view a PDF file) 2009 Available in PDF 2008 Available in PDF 2007 Available in PDF 2006 Available in PDF 2005 Available in PDF 2004 Available in PDF 2003 Available in PDF 2002 Available in PDF 2001 Available in PDF 2000 Available in PDF 1999 Available in PDF

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