Climatological Rankings

Look up monthly U.S., Statewide, DivisionalClimate Divisions, and RegionalClimate Regions Temperature, Precipitation, Degree Days, and Palmer (Drought) rankings for 1-12, 18, 24, 36, 48, 60-month, and Year-to-Date time periods. Data and statistics are as of January 1895.
Please note, Degree Days are not available for Agricultural Belts

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Iowa Precipitation Rankings, September 1976


Driest
110
13
Normal
13
110
Wettest

More information on Climatological Rankings

Period Amount 20th Century
Average
Departure Rank
(out of 119 years)
Record Wettest/Driest
Since
Jul - Sep 1976
3-month period
5.52"
(140.21 mm)
11.38"
(289.05 mm)
-5.86"
(-148.84 mm)
2nd Driest 1947 Driest since: 1947
117th Wettest 1993 Wettest since: 1975