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Click here for graphic showing U.S. Department of Commerce logo and link to site Climate of 2004 - September
Illinois Drought

National Climatic Data Center, 14 October 2004

Click here for graphic showing NOAA logo and link to site

Statewide Precipitation Ranks
for Illinois , 2003-2004
Period Rank
Sep 4th driest
Aug-Sep 38th driest
Jul-Sep 47th driest
Jun-Sep 30th driest
May-Sep 42nd wettest
( 69th driest)
Apr-Sep 44th driest
Mar-Sep 47th wettest
( 64th driest)
Feb-Sep 49th driest
Jan-Sep 49th driest
Dec-Sep 50th driest
Nov-Sep 45th wettest
( 65th driest)
Oct-Sep 54th wettest
( 56th driest)
Click here for graphic showing  precipitation departures, January 1998 - present
larger image

Click here for graphic showing  Palmer Z Index, January 1998 - present
larger image

Click here for graphic showing  precipitation, September 1895-2004
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Click here for graphic showing  Palmer Hydrological Drought Index, January 1900 - September 2004
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Graphic showing NOAA logo NCDC / Clim. Monitoring / Climate-2004 / Sep / U.S. Regional Drought / Search / Help

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