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Climate of 2005 - May
Northwest Region Drought


National Climatic Data Center, 14 June 2005

Precipitation Ranks for the
Northwest Region , 2004-2005
Period Rank
May 3rd wettest
(109th driest)
Apr-May 5th wettest
(107th driest)
Mar-May 2nd wettest
(110th driest)
Feb-May 43rd wettest
( 69th driest)
Jan-May 41st driest
Dec-May 29th driest
Nov-May 18th driest
Oct-May 24th driest
Sep-May 24th driest
Aug-May 37th driest
Jul-May 37th driest
Jun-May 36th driest
Graphic showing precipitation departures, January 1998 - present

Graphic showing Palmer Z Index, January 1998 - present

Graphic showing precipitation, May 1895-2005
Graphic showing Palmer Hydrological Drought Index, January 1900 - May 2005
Graphic showing NOAA logo NCDC / Clim. Monitoring / Climate-2005 / May / U.S. Regional Drought / Search / Help