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

National Climatic Data Center, 13 May 2004

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As noted by the Wyoming State Climatologist (Jan Curtis), ongoing drought conditions forced state officials in early May to shut off water to irrigators on the Cheyenne River and its tributaries between Angostura Reservoir and the Wyoming border. The beginning-of-May Surface Water Supply Index (SWSI) showed most of the river basins in the state in the severe to extreme drought categories. A detailed report of Wyoming's April climate is available at:

Statewide Precipitation Ranks
for Wyoming , 2003-2004
Period Rank
Apr 43rd driest
Mar-Apr 21st driest
Feb-Apr 34th driest
Jan-Apr 19th driest
Dec-Apr 21st driest
Nov-Apr 22nd driest
Oct-Apr 20th driest
Sep-Apr 26th driest
Aug-Apr 26th driest
Jul-Apr 12th driest
Jun-Apr 21st driest
May-Apr 17th driest
 Click here for graphic showing precipitation departures, January 1998 - present
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Click here for graphic showing Palmer Z Index, January 1998 - present
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Click here for graphic showing precipitation, April 1895-2004
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Click here for graphic showing Palmer Hydrological Drought Index, January 1900 - April 2004
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Graphic showing NOAA logo NCDC / Clim. Monitoring / Climate-2004 / Apr / U.S. Regional Drought / Search / Help

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Last Updated Tuesday, 29-Nov-2005 14:04:18 EST by Richard.Heim@noaa.gov
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