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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Illinois Precipitation Rankings, May 1992


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
May 1992
1-month period
1.26"
(32.00 mm)
4.13"
(104.90 mm)
-2.87"
(-72.90 mm)
2nd Driest 1934 Driest since: 1934
117th Wettest 1943 Wettest since: 1991