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Climate at a Glance

Statewide Rankings

Look up monthly rankings for 1-12, 18, 24, 36, 48, and 60-month time periods using the options below. Data and statistics are as of July 2022. For more information, please see Climatological Rankings.

Iowa

Palmer Modified Drought Index (PMDI) Rankings, January 1989

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  • Record Driest
  • Bottom 1/10
  • Bottom 1/3
  • Normal
  • Top 1/3
  • Top 1/10
  • Record Wettest
Period Value 1901-2000
Mean		 Anomaly Rank
(1895-2022)		 Wettest/Driest
Since		 Record
January 1989
1-Month 		-4.54 0.25 -4.79 5th Driest Driest since: 1977 1957
124th Wettest Wettest since: 1988 1994

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published August 2022, retrieved on August 13, 2022 from https://www.ncei.noaa.gov/cag/