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

Climate of 2006 - May
Northwest Region Drought

National Climatic Data Center, 15 June 2006

Precipitation Ranks for the
Northwest Region , 2005-2006
Period	Rank
May	55^th driest
Apr-May	39^th wettest ( 74^th driest)
Mar-May	39^th wettest ( 74^th driest)
Feb-May	47^th driest
Jan-May	12^th wettest (101^st driest)
Dec-May	10^th wettest (102^nd driest)
Nov-May	9^th wettest (103^rd driest)
Oct-May	8^th wettest (104^th driest)
Sep-May	12^th wettest (100^th driest)
Aug-May	16^th wettest ( 96^th driest)
Jul-May	19^th wettest ( 93^rd driest)
Jun-May	18^th wettest ( 94^th driest)

Graphic showing precipitation departures, January 1998 - present

Graphic showing Palmer Z Index, January 1998 - present

Graphic showing precipitation, May 1895-2006

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

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

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