County Mapping

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
March - May 1939
0ยฐF10ยฐF20ยฐF30ยฐF40ยฐF50ยฐF60ยฐF70ยฐF80ยฐF90ยฐF
Illinois (Hover over a County)
Temp Average Temperature : 51.8ยฐF
Anomaly: 0.6ยฐF
Rank: 54th Warmest
Mean: 51.1ยฐF
March - May 1939 Illinois County Average Temperature
County
Value
Anomaly
Rank
131 Years
1901-2000 Mean
Adams County 53.3ยฐF1.3ยฐF9052.0ยฐF
Alexander County 57.1ยฐF0.5ยฐF7456.5ยฐF
Bond County 54.2ยฐF0.8ยฐF7753.5ยฐF
Boone County 47.3ยฐF0.7ยฐF7846.6ยฐF
Brown County 52.9ยฐF1.1ยฐF8651.8ยฐF
Bureau County 49.4ยฐF0.8ยฐF7748.6ยฐF
Calhoun County 54.1ยฐF0.7ยฐF7753.4ยฐF
Carroll County 48.0ยฐF0.9ยฐF7747.1ยฐF
Cass County 53.0ยฐF1.0ยฐF8552.0ยฐF
Champaign County 50.7ยฐF0.4ยฐF6850.3ยฐF
Christian County 52.6ยฐF0.6ยฐF6952.0ยฐF
Clark County 52.6ยฐF0.5ยฐF6652.1ยฐF
Clay County 54.0ยฐF0.6ยฐF7553.4ยฐF
Clinton County 54.9ยฐF0.7ยฐF7954.2ยฐF
Coles County 52.2ยฐF0.5ยฐF7251.7ยฐF
Cook County 47.8ยฐF0.4ยฐF7247.4ยฐF
Crawford County 53.3ยฐF0.3ยฐF5753.0ยฐF
Cumberland County 52.7ยฐF0.4ยฐF6652.3ยฐF
DeKalb County 47.7ยฐF0.6ยฐF7347.2ยฐF
De Witt County 50.8ยฐF0.4ยฐF6850.4ยฐF
Douglas County 51.7ยฐF0.6ยฐF7251.1ยฐF
DuPage County 47.9ยฐF0.5ยฐF7347.4ยฐF
Edgar County 52.0ยฐF0.7ยฐF7851.3ยฐF
Edwards County 54.9ยฐF0.4ยฐF6654.5ยฐF
Effingham County 53.2ยฐF0.6ยฐF7052.7ยฐF
Fayette County 53.6ยฐF0.6ยฐF7453.0ยฐF
Ford County 49.6ยฐF0.1ยฐF6049.5ยฐF
Franklin County 55.5ยฐF0.7ยฐF7854.8ยฐF
Fulton County 52.2ยฐF1.1ยฐF8651.1ยฐF
Gallatin County 56.4ยฐF0.6ยฐF7755.8ยฐF
Greene County 53.9ยฐF0.8ยฐF7753.2ยฐF
Grundy County 49.0ยฐF0.4ยฐF6848.7ยฐF
Hamilton County 55.4ยฐF0.5ยฐF7454.9ยฐF
Hancock County 52.5ยฐF1.2ยฐF8451.3ยฐF
Hardin County 56.5ยฐF0.6ยฐF7655.9ยฐF
Henderson County 51.5ยฐF1.1ยฐF8350.3ยฐF
Henry County 49.6ยฐF0.8ยฐF7748.8ยฐF
Iroquois County 49.3ยฐF0.0ยฐF5749.3ยฐF
Jackson County 55.9ยฐF0.8ยฐF8155.1ยฐF
Jasper County 53.4ยฐF0.4ยฐF6653.0ยฐF
Jefferson County 54.9ยฐF0.5ยฐF7054.4ยฐF
Jersey County 54.3ยฐF0.7ยฐF7853.6ยฐF
Jo Daviess County 47.5ยฐF1.0ยฐF7946.5ยฐF
Johnson County 56.3ยฐF0.7ยฐF7555.6ยฐF
Kane County 47.7ยฐF0.6ยฐF7347.1ยฐF
Kankakee County 48.6ยฐF-0.2ยฐF5548.7ยฐF
Kendall County 48.8ยฐF0.6ยฐF7248.2ยฐF
Knox County 50.2ยฐF0.7ยฐF7549.5ยฐF
Lake County 46.3ยฐF0.3ยฐF7146.0ยฐF
LaSalle County 49.3ยฐF0.7ยฐF7348.6ยฐF
Lawrence County 54.3ยฐF0.4ยฐF6653.9ยฐF
Lee County 48.5ยฐF0.8ยฐF7647.7ยฐF
Livingston County 49.4ยฐF0.3ยฐF6849.1ยฐF
Logan County 51.8ยฐF0.6ยฐF7251.2ยฐF
McDonough County 52.0ยฐF1.1ยฐF8550.8ยฐF
McHenry County 46.6ยฐF0.5ยฐF7346.1ยฐF
McLean County 49.8ยฐF0.2ยฐF6449.6ยฐF
Macon County 51.8ยฐF0.6ยฐF7351.2ยฐF
Macoupin County 53.5ยฐF0.7ยฐF7552.8ยฐF
Madison County 54.9ยฐF0.8ยฐF7754.1ยฐF
Marion County 54.2ยฐF0.6ยฐF7553.7ยฐF
Marshall County 49.9ยฐF0.5ยฐF6949.4ยฐF
Mason County 52.8ยฐF1.1ยฐF8351.7ยฐF
Massac County 57.0ยฐF0.5ยฐF7356.4ยฐF
Menard County 52.6ยฐF0.9ยฐF8051.7ยฐF
Mercer County 50.6ยฐF1.1ยฐF8349.5ยฐF
Monroe County 55.7ยฐF0.7ยฐF7455.0ยฐF
Montgomery County 53.3ยฐF0.7ยฐF7452.6ยฐF
Morgan County 52.8ยฐF0.8ยฐF7752.1ยฐF
Moultrie County 52.0ยฐF0.5ยฐF6851.5ยฐF
Ogle County 48.0ยฐF0.8ยฐF7647.2ยฐF
Peoria County 50.8ยฐF0.8ยฐF7350.0ยฐF
Perry County 55.2ยฐF0.6ยฐF7454.6ยฐF
Piatt County 51.1ยฐF0.5ยฐF7050.6ยฐF
Pike County 53.4ยฐF0.9ยฐF8252.5ยฐF
Pope County 56.4ยฐF0.6ยฐF7755.8ยฐF
Pulaski County 57.0ยฐF0.5ยฐF7256.5ยฐF
Putnam County 50.1ยฐF0.7ยฐF7449.4ยฐF
Randolph County 55.5ยฐF0.7ยฐF7654.8ยฐF
Richland County 54.1ยฐF0.4ยฐF6853.8ยฐF
Rock Island County 50.1ยฐF1.0ยฐF8149.0ยฐF
St. Clair County 55.4ยฐF0.7ยฐF7654.7ยฐF
Saline County 56.1ยฐF0.7ยฐF7855.4ยฐF
Sangamon County 52.6ยฐF0.7ยฐF7451.9ยฐF
Schuyler County 52.9ยฐF1.2ยฐF9151.6ยฐF
Scott County 53.3ยฐF0.8ยฐF8252.5ยฐF
Shelby County 52.6ยฐF0.5ยฐF7052.1ยฐF
Stark County 49.8ยฐF0.7ยฐF7549.1ยฐF
Stephenson County 47.1ยฐF0.7ยฐF7746.4ยฐF
Tazewell County 51.1ยฐF0.7ยฐF7150.5ยฐF
Union County 56.3ยฐF0.7ยฐF7855.6ยฐF
Vermilion County 50.8ยฐF0.3ยฐF7050.4ยฐF
Wabash County 55.0ยฐF0.5ยฐF7054.5ยฐF
Warren County 50.6ยฐF0.9ยฐF7749.7ยฐF
Washington County 54.9ยฐF0.6ยฐF7354.3ยฐF
Wayne County 54.7ยฐF0.5ยฐF7154.2ยฐF
White County 55.7ยฐF0.5ยฐF7255.2ยฐF
Whiteside County 49.0ยฐF0.8ยฐF7648.1ยฐF
Will County 48.6ยฐF0.2ยฐF6648.4ยฐF
Williamson County 55.9ยฐF0.8ยฐF8155.1ยฐF
Winnebago County 47.8ยฐF0.9ยฐF8146.9ยฐF
Woodford County 49.7ยฐF0.3ยฐF6749.4ยฐF

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