NCDC / Clim. Monitoring / Climate-2007 / Sep / U.S. Drought / Help

Climate of 2007 - September
Northwest Region
Moisture Status

National Climatic Data Center, 15 October 2007

Precipitation Ranks for the
Northwest Region , 2006-2007
Period	Rank
Sep	38^th driest
Aug-Sep	31^st driest
Jul-Sep	29^th driest
Jun-Sep	31^st driest
May-Sep	14^th driest
Apr-Sep	14^th driest
Mar-Sep	11^th driest
Feb-Sep	21^st driest
Jan-Sep	12^th driest
Dec-Sep	21^st driest
Nov-Sep	52^nd wettest ( 61^st driest)
Oct-Sep	43^rd driest

Graphic showing precipitation departures, January 1998 - present

Graphic showing Palmer Z Index, January 1998 - present

Graphic showing precipitation, September 1895-2007

Graphic showing Palmer Hydrological Drought Index, January 1900 - September 2007

NCDC / Clim. Monitoring / Climate-2007 / Sep / U.S. Drought / Help

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