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

Statewide Rankings

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Illinois

February 1915 Average Temperature Rankings

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Record Warmest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2025)	Coolest/Warmest Since	Record
February 1915 1-Month	35.1°F (1.7°C)	29.2°F (-1.6°C)	5.9°F	112th Coolest	Coolest since: 1914	1978
February 1915 1-Month	35.1°F (1.7°C)	29.2°F (-1.6°C)	5.9°F	20th Warmest	Warmest to Date	2017
Jan–Feb 1915 2-Month	28.6°F (-1.9°C)	27.3°F (-2.6°C)	1.3°F	79th Coolest	Coolest since: 1914	1979
Jan–Feb 1915 2-Month	28.6°F (-1.9°C)	27.3°F (-2.6°C)	1.3°F	53rd Warmest	Warmest since: 1911	2017
Dec 1914–Feb 1915 3-Month	26.6°F (-3.0°C)	28°F (-2.2°C)	-1.4°F	34th Coolest	Coolest since: 1912	1978
Dec 1914–Feb 1915 3-Month	26.6°F (-3.0°C)	28°F (-2.2°C)	-1.4°F	97th Warmest	Warmest since: 1914	1932
Nov 1914–Feb 1915 4-Month	30.8°F (-0.7°C)	31.2°F (-0.4°C)	-0.4°F	43rd Coolest	Coolest since: 1912	1977
Nov 1914–Feb 1915 4-Month	30.8°F (-0.7°C)	31.2°F (-0.4°C)	-0.4°F	88th Warmest	Warmest since: 1914	1932
Oct 1914–Feb 1915 5-Month	36°F (2.2°C)	35.9°F (2.2°C)	0.1°F	59th Coolest	Coolest since: 1912	1977
Oct 1914–Feb 1915 5-Month	36°F (2.2°C)	35.9°F (2.2°C)	0.1°F	72nd Warmest	Warmest since: 1914	1932
Sep 1914–Feb 1915 6-Month	40.9°F (4.9°C)	41°F (5.0°C)	-0.1°F	58th Coolest	Coolest since: 1912	1977
Sep 1914–Feb 1915 6-Month	40.9°F (4.9°C)	41°F (5.0°C)	-0.1°F	73rd Warmest	Warmest since: 1914	1932
Aug 1914–Feb 1915 7-Month	45.8°F (7.7°C)	45.6°F (7.6°C)	0.2°F	61st Coolest	Coolest since: 1912	1977
Aug 1914–Feb 1915 7-Month	45.8°F (7.7°C)	45.6°F (7.6°C)	0.2°F	70th Warmest	Warmest since: 1914	1932
Jul 1914–Feb 1915 8-Month	49.9°F (9.9°C)	49.4°F (9.7°C)	0.5°F	76th Coolest	Coolest since: 1913	1977
Jul 1914–Feb 1915 8-Month	49.9°F (9.9°C)	49.4°F (9.7°C)	0.5°F	55th Warmest	Warmest since: 1914	1932
Jun 1914–Feb 1915 9-Month	52.7°F (11.5°C)	51.8°F (11.0°C)	0.9°F	88th Coolest	Coolest since: 1913	1977
Jun 1914–Feb 1915 9-Month	52.7°F (11.5°C)	51.8°F (11.0°C)	0.9°F	43rd Warmest	Warmest since: 1914	1932
May 1914–Feb 1915 10-Month	53.8°F (12.1°C)	52.8°F (11.6°C)	1°F	91st Coolest	Coolest since: 1913	1918
May 1914–Feb 1915 10-Month	53.8°F (12.1°C)	52.8°F (11.6°C)	1°F	40th Warmest	Warmest since: 1914	1932
Apr 1914–Feb 1915 11-Month	53.6°F (12.0°C)	52.7°F (11.5°C)	0.9°F	87th Coolest	Coolest since: 1913	1918
Apr 1914–Feb 1915 11-Month	53.6°F (12.0°C)	52.7°F (11.5°C)	0.9°F	44th Warmest	Warmest since: 1914	1932
Mar 1914–Feb 1915 12-Month	52.3°F (11.3°C)	51.6°F (10.9°C)	0.7°F	80th Coolest	Coolest since: 1913	1918
Mar 1914–Feb 1915 12-Month	52.3°F (11.3°C)	51.6°F (10.9°C)	0.7°F	51st Warmest	Warmest since: 1914	2017
Sep 1913–Feb 1915 18-Month	48.9°F (9.4°C)	48.1°F (8.9°C)	0.8°F	88th Coolest	Coolest since: 1913	1905
Sep 1913–Feb 1915 18-Month	48.9°F (9.4°C)	48.1°F (8.9°C)	0.8°F	42nd Warmest	Warmest since: 1914	2017
Mar 1913–Feb 1915 24-Month	52.5°F (11.4°C)	51.6°F (10.9°C)	0.9°F	93rd Coolest	Coolest since: 1914	1905
Mar 1913–Feb 1915 24-Month	52.5°F (11.4°C)	51.6°F (10.9°C)	0.9°F	37th Warmest	Warmest to Date	2017
Mar 1912–Feb 1915 36-Month	52°F (11.1°C)	51.6°F (10.9°C)	0.4°F	77th Coolest	Coolest since: 1914	1979
Mar 1912–Feb 1915 36-Month	52°F (11.1°C)	51.6°F (10.9°C)	0.4°F	52nd Warmest	Warmest to Date	2013, 2018
Mar 1911–Feb 1915 48-Month	51.6°F (10.9°C)	51.6°F (10.9°C)	0°F	50th Coolest	Coolest since: 1914	1905
Mar 1911–Feb 1915 48-Month	51.6°F (10.9°C)	51.6°F (10.9°C)	0°F	78th Warmest	Warmest since: 1909	2025
Mar 1910–Feb 1915 60-Month	51.7°F (10.9°C)	51.6°F (10.9°C)	0.1°F	57th Coolest	Coolest since: 1914	1905
Mar 1910–Feb 1915 60-Month	51.7°F (10.9°C)	51.6°F (10.9°C)	0.1°F	70th Warmest	Warmest to Date	2025

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Statewide Rankings, published September 2025, retrieved on September 18, 2025 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/statewide/rankings

Climate at a Glance Statewide Rankings

Statewide Rankings

Illinois

February 1915 Average Temperature Rankings

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