NCDC / Clim. Monitoring / Climate-2009 / May / U.S. Drought / Help

Climate of 2009 - May
Illinois
Moisture Status

National Climatic Data Center, 15 June 2009

Statewide Precipitation Ranks
for Illinois , 2008-2009
Period	Rank
May	22^nd wettest ( 94^th driest)
Apr-May	11^th wettest (105^th driest)
Mar-May	9^th wettest (107^th driest)
Feb-May	8^th wettest (108^th driest)
Jan-May	18^th wettest ( 98^th driest)
Dec-May	10^th wettest (105^th driest)
Nov-May	17^th wettest ( 98^th driest)
Oct-May	21^st wettest ( 94^th driest)
Sep-May	4^th wettest (111^th driest)
Aug-May	9^th wettest (106^th driest)
Jul-May	5^th wettest (110^th driest)
Jun-May	4^th wettest (111^th driest)

Graphic showing precipitation departures, January 1998 - present

Graphic showing Palmer Z Index, January 1998 - present

Graphic showing precipitation, May 1895-2009

Graphic showing Palmer Hydrological Drought Index, January 1900 - May 2009

NCDC / Clim. Monitoring / Climate-2009 / May / U.S. Drought / Help

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