NCDC / Clim. Monitoring / Climate-2006 / Sep / U.S. Drought / Help

Climate of 2006 - September
Northwest Region
Moisture Status

National Climatic Data Center, 12 October 2006

Precipitation Ranks for the
Northwest Region , 2005-2006
Period	Rank
Sep	42^nd driest
Aug-Sep	17^th driest
Jul-Sep	11^th driest
Jun-Sep	25^th driest
May-Sep	26^th driest
Apr-Sep	41^st driest
Mar-Sep	45^th driest
Feb-Sep	30^th driest
Jan-Sep	33^rd wettest ( 80^th driest)
Dec-Sep	17^th wettest ( 95^th driest)
Nov-Sep	20^th wettest ( 92^nd driest)
Oct-Sep	19^th wettest ( 93^rd driest)

Graphic showing precipitation departures, January 1998 - present

Graphic showing Palmer Z Index, January 1998 - present

Graphic showing precipitation, September 1895-2006

Graphic showing Palmer Hydrological Drought Index, January 1900 - September 2006

NCDC / Clim. Monitoring / Climate-2006 / Sep / U.S. Drought / Help

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