Climate at a Glance | Statewide Mapping | National Centers for Environmental Information (NCEI)

Statewide Mapping

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Year:

Month:

Time Scale:

Please note, Degree Days and Palmer Indices are not available for Alaska or Hawaii. Palmer Drought Severity Index (PDSI), Palmer Hydrological Drought Index (PHDI), and Palmer Modified Drought Index (PMDI) are not offered for multiple-month time scales. Data are available for bulk download.

ValueAnomalyRankMean

Statewide Average Temperature

December 2009 - February 2010

0°F10°F20°F30°F40°F50°F60°F70°F80°F90°F

Illinois

TempAverage Temperature: 25.4°F

Anomaly: -2.6°F

Rank: 22nd Coldest

Mean: 28.0°F

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December 2009 - February 2010 Illinois Statewide Average Temperature
State	Value	Anomaly	Rank 130 Years	1901-2000 Mean
Illinois	25.4°F	-2.6°F	22	28.0°F

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Statewide Mapping, published March 2025, retrieved on March 21, 2025 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/statewide/mapping

Climate at a Glance Statewide Mapping

Statewide Mapping

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