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 2019
0°F10°F20°F30°F40°F50°F60°F70°F80°F90°F
Illinois (Hover over a County)
Temp Average Temperature : --
Anomaly: --
Rank: -- Coldest
Mean: --
March - May 2019 Illinois County Average Temperature
County
Value
Anomaly
Rank
131 Years
1901-2000 Mean
Adams County 51.1°F-0.9°F4752.0°F
Alexander County 57.1°F0.6°F7456.5°F
Bond County 53.5°F0.0°F5853.5°F
Boone County 45.3°F-1.3°F3646.6°F
Brown County 51.0°F-0.8°F4951.8°F
Bureau County 47.3°F-1.3°F3948.6°F
Calhoun County 53.2°F-0.2°F5253.4°F
Carroll County 46.4°F-0.7°F4947.1°F
Cass County 50.7°F-1.3°F3752.0°F
Champaign County 50.4°F0.1°F5850.3°F
Christian County 51.7°F-0.3°F5152.0°F
Clark County 52.5°F0.3°F6152.1°F
Clay County 53.9°F0.4°F7253.4°F
Clinton County 54.7°F0.5°F7054.2°F
Coles County 51.7°F0.1°F5951.7°F
Cook County 46.9°F-0.5°F5147.4°F
Crawford County 53.6°F0.5°F7153.0°F
Cumberland County 52.4°F0.1°F6252.3°F
DeKalb County 45.9°F-1.3°F3747.2°F
De Witt County 50.7°F0.4°F6550.4°F
Douglas County 51.3°F0.2°F6051.1°F
DuPage County 46.8°F-0.6°F5047.4°F
Edgar County 51.0°F-0.3°F5151.3°F
Edwards County 55.0°F0.6°F7054.5°F
Effingham County 52.7°F0.0°F5652.7°F
Fayette County 52.8°F-0.2°F5553.0°F
Ford County 49.2°F-0.3°F5249.5°F
Franklin County 55.3°F0.5°F7054.8°F
Fulton County 50.1°F-1.0°F4551.1°F
Gallatin County 55.5°F-0.3°F5355.8°F
Greene County 52.6°F-0.6°F4853.2°F
Grundy County 48.2°F-0.4°F5248.7°F
Hamilton County 55.2°F0.3°F6654.9°F
Hancock County 50.4°F-0.9°F4551.3°F
Hardin County 56.1°F0.1°F6355.9°F
Henderson County 49.2°F-1.1°F4450.3°F
Henry County 47.8°F-1.0°F4648.8°F
Iroquois County 49.5°F0.2°F6149.3°F
Jackson County 55.4°F0.3°F6955.1°F
Jasper County 53.4°F0.4°F6653.0°F
Jefferson County 54.8°F0.3°F6954.4°F
Jersey County 53.6°F-0.1°F5753.6°F
Jo Daviess County 45.3°F-1.2°F4046.5°F
Johnson County 55.8°F0.2°F5955.6°F
Kane County 46.1°F-1.0°F4147.1°F
Kankakee County 48.4°F-0.3°F5148.7°F
Kendall County 47.1°F-1.1°F4048.2°F
Knox County 48.2°F-1.2°F4049.5°F
Lake County 45.3°F-0.7°F4946.0°F
LaSalle County 47.6°F-1.1°F4248.6°F
Lawrence County 54.3°F0.4°F6653.9°F
Lee County 46.7°F-1.0°F4347.7°F
Livingston County 48.2°F-0.9°F3949.1°F
Logan County 51.3°F0.1°F5951.2°F
McDonough County 49.7°F-1.1°F4150.8°F
McHenry County 45.4°F-0.8°F5046.1°F
McLean County 49.7°F0.1°F6349.6°F
Macon County 51.2°F0.0°F5651.2°F
Macoupin County 52.4°F-0.4°F5152.8°F
Madison County 54.3°F0.2°F5954.1°F
Marion County 53.8°F0.1°F6053.7°F
Marshall County 48.8°F-0.6°F5149.4°F
Mason County 51.1°F-0.6°F5251.7°F
Massac County 57.0°F0.5°F7356.4°F
Menard County 51.0°F-0.7°F4851.7°F
Mercer County 48.1°F-1.4°F3549.5°F
Monroe County 56.0°F1.0°F8155.0°F
Montgomery County 52.0°F-0.5°F4752.6°F
Morgan County 51.0°F-1.1°F4352.1°F
Moultrie County 51.3°F-0.2°F5351.5°F
Ogle County 46.5°F-0.7°F5347.2°F
Peoria County 49.9°F-0.1°F5850.0°F
Perry County 55.1°F0.5°F7154.6°F
Piatt County 50.8°F0.2°F6150.6°F
Pike County 51.8°F-0.7°F4852.5°F
Pope County 55.9°F0.1°F5955.8°F
Pulaski County 57.1°F0.6°F7556.5°F
Putnam County 48.2°F-1.2°F4049.4°F
Randolph County 55.7°F0.8°F8354.8°F
Richland County 54.1°F0.4°F6853.8°F
Rock Island County 47.7°F-1.3°F3649.0°F
St. Clair County 55.3°F0.6°F7354.7°F
Saline County 55.3°F-0.1°F5655.4°F
Sangamon County 51.2°F-0.6°F4751.9°F
Schuyler County 50.6°F-1.0°F4251.6°F
Scott County 51.6°F-0.9°F4552.5°F
Shelby County 51.8°F-0.3°F5152.1°F
Stark County 48.0°F-1.1°F4349.1°F
Stephenson County 45.6°F-0.8°F4946.4°F
Tazewell County 50.9°F0.4°F6550.5°F
Union County 55.9°F0.3°F6555.6°F
Vermilion County 50.0°F-0.4°F4850.4°F
Wabash County 54.9°F0.4°F6354.5°F
Warren County 48.4°F-1.4°F3849.7°F
Washington County 54.6°F0.3°F6254.3°F
Wayne County 55.0°F0.7°F7854.2°F
White County 55.2°F-0.1°F5755.2°F
Whiteside County 47.2°F-0.9°F4348.1°F
Will County 47.7°F-0.7°F4748.4°F
Williamson County 55.4°F0.3°F6855.1°F
Winnebago County 45.8°F-1.1°F4246.9°F
Woodford County 49.6°F0.2°F6349.4°F

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