County Mapping

County Data Info
Please note, 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.
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County Average Temperature
October - December 2004
0ยฐF10ยฐF20ยฐF30ยฐF40ยฐF50ยฐF60ยฐF70ยฐF80ยฐF90ยฐF
Illinois (Hover over a County)
TempAverage Temperature:
Rank:
Anomaly:
Mean:
October - December 2004 Illinois County Average Temperature
County
Value
Rank
130 Years
Anomaly
1901-2000 Mean
Adams County44.1ยฐF991.9ยฐF42.2ยฐF
Alexander County49.1ยฐF1012.0ยฐF47.1ยฐF
Bond County46.4ยฐF1032.3ยฐF44.1ยฐF
Boone County39.9ยฐF1052.7ยฐF37.2ยฐF
Brown County43.9ยฐF991.9ยฐF42.0ยฐF
Bureau County41.3ยฐF1042.7ยฐF38.6ยฐF
Calhoun County46.2ยฐF1072.4ยฐF43.8ยฐF
Carroll County40.3ยฐF1113.3ยฐF37.0ยฐF
Cass County44.2ยฐF1042.2ยฐF42.0ยฐF
Champaign County43.3ยฐF1022.4ยฐF40.9ยฐF
Christian County45.1ยฐF1062.6ยฐF42.5ยฐF
Clark County44.9ยฐF1002.0ยฐF42.9ยฐF
Clay County46.3ยฐF1042.3ยฐF44.0ยฐF
Clinton County46.8ยฐF1012.1ยฐF44.7ยฐF
Coles County44.8ยฐF1062.5ยฐF42.3ยฐF
Cook County42.0ยฐF1022.5ยฐF39.5ยฐF
Crawford County45.7ยฐF992.0ยฐF43.8ยฐF
Cumberland County45.3ยฐF1062.4ยฐF42.9ยฐF
DeKalb County40.2ยฐF992.4ยฐF37.8ยฐF
De Witt County43.1ยฐF1032.4ยฐF40.8ยฐF
Douglas County44.4ยฐF1052.8ยฐF41.7ยฐF
DuPage County41.5ยฐF1042.7ยฐF38.8ยฐF
Edgar County44.0ยฐF971.9ยฐF42.0ยฐF
Edwards County47.0ยฐF1001.9ยฐF45.1ยฐF
Effingham County45.9ยฐF1072.7ยฐF43.2ยฐF
Fayette County46.2ยฐF1062.6ยฐF43.6ยฐF
Ford County42.4ยฐF1022.3ยฐF40.1ยฐF
Franklin County47.7ยฐF1042.2ยฐF45.5ยฐF
Fulton County43.0ยฐF971.9ยฐF41.1ยฐF
Gallatin County48.4ยฐF1012.0ยฐF46.4ยฐF
Greene County45.5ยฐF1032.0ยฐF43.5ยฐF
Grundy County42.2ยฐF1073.0ยฐF39.3ยฐF
Hamilton County47.4ยฐF1012.0ยฐF45.4ยฐF
Hancock County43.4ยฐF1012.0ยฐF41.4ยฐF
Hardin County49.1ยฐF1092.4ยฐF46.7ยฐF
Henderson County42.4ยฐF1042.1ยฐF40.3ยฐF
Henry County41.5ยฐF1052.7ยฐF38.9ยฐF
Iroquois County42.6ยฐF1032.5ยฐF40.1ยฐF
Jackson County48.1ยฐF1072.5ยฐF45.6ยฐF
Jasper County45.4ยฐF971.9ยฐF43.5ยฐF
Jefferson County47.0ยฐF1022.0ยฐF45.0ยฐF
Jersey County46.4ยฐF1062.3ยฐF44.1ยฐF
Jo Daviess County39.7ยฐF1093.2ยฐF36.6ยฐF
Johnson County48.8ยฐF1072.4ยฐF46.4ยฐF
Kane County40.5ยฐF1012.4ยฐF38.2ยฐF
Kankakee County42.2ยฐF1022.5ยฐF39.7ยฐF
Kendall County41.9ยฐF1072.9ยฐF39.0ยฐF
Knox County41.9ยฐF1032.2ยฐF39.6ยฐF
Lake County40.6ยฐF1012.2ยฐF38.4ยฐF
LaSalle County41.5ยฐF1022.5ยฐF39.0ยฐF
Lawrence County46.2ยฐF971.7ยฐF44.5ยฐF
Lee County40.3ยฐF1012.5ยฐF37.8ยฐF
Livingston County42.3ยฐF1022.7ยฐF39.6ยฐF
Logan County43.7ยฐF1042.3ยฐF41.4ยฐF
McDonough County42.9ยฐF1022.1ยฐF40.8ยฐF
McHenry County39.7ยฐF1032.4ยฐF37.3ยฐF
McLean County42.2ยฐF1012.3ยฐF39.9ยฐF
Macon County44.4ยฐF1072.7ยฐF41.7ยฐF
Macoupin County45.5ยฐF1042.2ยฐF43.2ยฐF
Madison County47.1ยฐF1052.4ยฐF44.7ยฐF
Marion County46.3ยฐF1002.0ยฐF44.3ยฐF
Marshall County41.8ยฐF1022.2ยฐF39.6ยฐF
Mason County43.8ยฐF1032.0ยฐF41.8ยฐF
Massac County49.7ยฐF1092.5ยฐF47.2ยฐF
Menard County44.2ยฐF1042.3ยฐF41.9ยฐF
Mercer County41.6ยฐF1022.2ยฐF39.4ยฐF
Monroe County48.1ยฐF1072.5ยฐF45.6ยฐF
Montgomery County45.5ยฐF1052.4ยฐF43.1ยฐF
Morgan County44.5ยฐF1042.2ยฐF42.2ยฐF
Moultrie County44.7ยฐF1062.7ยฐF42.0ยฐF
Ogle County40.1ยฐF1052.8ยฐF37.3ยฐF
Peoria County42.4ยฐF1012.3ยฐF40.2ยฐF
Perry County47.6ยฐF1062.3ยฐF45.2ยฐF
Piatt County43.8ยฐF1062.7ยฐF41.1ยฐF
Pike County44.9ยฐF1042.0ยฐF42.8ยฐF
Pope County49.2ยฐF1102.5ยฐF46.7ยฐF
Pulaski County49.3ยฐF1022.1ยฐF47.2ยฐF
Putnam County41.8ยฐF1012.3ยฐF39.5ยฐF
Randolph County47.8ยฐF1072.4ยฐF45.4ยฐF
Richland County46.0ยฐF961.6ยฐF44.4ยฐF
Rock Island County41.7ยฐF1072.6ยฐF39.0ยฐF
St. Clair County48.0ยฐF1092.7ยฐF45.3ยฐF
Saline County48.2ยฐF1032.2ยฐF46.0ยฐF
Sangamon County44.7ยฐF1062.5ยฐF42.2ยฐF
Schuyler County43.6ยฐF1022.0ยฐF41.6ยฐF
Scott County44.8ยฐF1022.0ยฐF42.8ยฐF
Shelby County45.4ยฐF1062.7ยฐF42.6ยฐF
Stark County41.5ยฐF1032.3ยฐF39.2ยฐF
Stephenson County39.8ยฐF1103.3ยฐF36.5ยฐF
Tazewell County43.0ยฐF1032.4ยฐF40.6ยฐF
Union County48.3ยฐF1042.1ยฐF46.2ยฐF
Vermilion County43.3ยฐF992.1ยฐF41.2ยฐF
Wabash County47.1ยฐF1011.9ยฐF45.2ยฐF
Warren County42.0ยฐF1042.2ยฐF39.8ยฐF
Washington County47.0ยฐF1022.1ยฐF44.9ยฐF
Wayne County47.0ยฐF1002.1ยฐF44.9ยฐF
White County47.6ยฐF971.9ยฐF45.8ยฐF
Whiteside County41.1ยฐF1083.0ยฐF38.1ยฐF
Will County42.2ยฐF1052.6ยฐF39.5ยฐF
Williamson County48.0ยฐF1032.2ยฐF45.8ยฐF
Winnebago County40.0ยฐF1052.8ยฐF37.2ยฐF
Woodford County42.0ยฐF1002.4ยฐF39.6ยฐF

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