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

Regional Rankings

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Please note, Degree Days are not available for Great Plains, Souther Plains and Gulf Coast, Rockies and Westward, River Basins, or Agricultural Belts. Palmer Drought Severity Index (PDSI), Palmer Hydrological Drought Index (PHDI), and Palmer Modified Drought Index (PMDI) are not offered for multiple-month time scales.

Ohio Valley

December 1939 Average Temperature Rankings

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Record Warmest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2025)	Coolest/Warmest Since	Record
December 1939 1-Month	36.1°F (2.3°C)	33.0°F (0.6°C)	3.1°F	96th Coolest	Coolest since: 1938	1989
	36.1°F (2.3°C)	33.0°F (0.6°C)	3.1°F	35th Warmest	Warmest since: 1936	2015
	Ties: 1921
Nov–Dec 1939 2-Month	38.5°F (3.6°C)	38.0°F (3.3°C)	0.5°F	67th Coolest	Coolest since: 1937	1976
	38.5°F (3.6°C)	38.0°F (3.3°C)	0.5°F	64th Warmest	Warmest since: 1938	2015
	Ties: 1900
Oct–Dec 1939 3-Month	45.0°F (7.2°C)	43.9°F (6.6°C)	1.1°F	86th Coolest	Coolest since: 1937	1976
	45.0°F (7.2°C)	43.9°F (6.6°C)	1.1°F	45th Warmest	Warmest since: 1938	1931
	Ties: 1897
Sep–Dec 1939 4-Month	51.7°F (10.9°C)	49.7°F (9.8°C)	2.0°F	110th Coolest	Coolest since: 1938	1976
Sep–Dec 1939 4-Month	51.7°F (10.9°C)	49.7°F (9.8°C)	2.0°F	21st Warmest	Warmest since: 1931	1931
Aug–Dec 1939 5-Month	56.1°F (13.4°C)	54.5°F (12.5°C)	1.6°F	109th Coolest	Coolest since: 1937	1976
Aug–Dec 1939 5-Month	56.1°F (13.4°C)	54.5°F (12.5°C)	1.6°F	22nd Warmest	Warmest since: 1938	1931
Jul–Dec 1939 6-Month	59.4°F (15.2°C)	58.0°F (14.4°C)	1.4°F	108th Coolest	Coolest since: 1937	1976
Jul–Dec 1939 6-Month	59.4°F (15.2°C)	58.0°F (14.4°C)	1.4°F	23rd Warmest	Warmest since: 1938	1931
Jun–Dec 1939 7-Month	61.3°F (16.3°C)	60.0°F (15.6°C)	1.3°F	105th Coolest	Coolest since: 1938	1976
Jun–Dec 1939 7-Month	61.3°F (16.3°C)	60.0°F (15.6°C)	1.3°F	26th Warmest	Warmest since: 1936	1931
May–Dec 1939 8-Month	61.8°F (16.6°C)	60.3°F (15.7°C)	1.5°F	109th Coolest	Coolest since: 1938	1917
May–Dec 1939 8-Month	61.8°F (16.6°C)	60.3°F (15.7°C)	1.5°F	22nd Warmest	Warmest since: 1936	1931
Apr–Dec 1939 9-Month	60.5°F (15.8°C)	59.5°F (15.3°C)	1.0°F	95th Coolest	Coolest since: 1937	1917
Apr–Dec 1939 9-Month	60.5°F (15.8°C)	59.5°F (15.3°C)	1.0°F	36th Warmest	Warmest since: 1938	1931, 2024
Mar–Dec 1939 10-Month	58.9°F (14.9°C)	57.8°F (14.3°C)	1.1°F	95th Coolest	Coolest since: 1937	1917
Mar–Dec 1939 10-Month	58.9°F (14.9°C)	57.8°F (14.3°C)	1.1°F	36th Warmest	Warmest since: 1938	2024
Feb–Dec 1939 11-Month	56.7°F (13.7°C)	55.5°F (13.1°C)	1.2°F	100th Coolest	Coolest since: 1937	1917
Feb–Dec 1939 11-Month	56.7°F (13.7°C)	55.5°F (13.1°C)	1.2°F	31st Warmest	Warmest since: 1938	2024
Jan–Dec 1939 12-Month	54.9°F (12.7°C)	53.4°F (11.9°C)	1.5°F	109th Coolest	Coolest since: 1937	1917
Jan–Dec 1939 12-Month	54.9°F (12.7°C)	53.4°F (11.9°C)	1.5°F	22nd Warmest	Warmest since: 1938	2024
Jul 1938–Dec 1939 18-Month	56.5°F (13.6°C)	54.9°F (12.7°C)	1.6°F	114th Coolest	Coolest since: 1938	1904
Jul 1938–Dec 1939 18-Month	56.5°F (13.6°C)	54.9°F (12.7°C)	1.6°F	16th Warmest	Warmest since: 1932	2024
Jan 1938–Dec 1939 24-Month	55.2°F (12.9°C)	53.4°F (11.9°C)	1.8°F	119th Coolest	Coolest since: 1938	1979
Jan 1938–Dec 1939 24-Month	55.2°F (12.9°C)	53.4°F (11.9°C)	1.8°F	11th Warmest	Warmest since: 1922	2024
Jan 1937–Dec 1939 36-Month	54.4°F (12.4°C)	53.4°F (11.9°C)	1.0°F	103rd Coolest	Coolest since: 1938	1980
Jan 1937–Dec 1939 36-Month	54.4°F (12.4°C)	53.4°F (11.9°C)	1.0°F	26th Warmest	Warmest since: 1935	2024
Jan 1936–Dec 1939 48-Month	54.2°F (12.3°C)	53.4°F (11.9°C)	0.8°F	99th Coolest	Coolest since: 1938	1979
Jan 1936–Dec 1939 48-Month	54.2°F (12.3°C)	53.4°F (11.9°C)	0.8°F	29th Warmest	Warmest since: 1936	2024
Jan 1935–Dec 1939 60-Month	54.0°F (12.2°C)	53.4°F (11.9°C)	0.6°F	90th Coolest	Coolest since: 1938	1980
Jan 1935–Dec 1939 60-Month	54.0°F (12.2°C)	53.4°F (11.9°C)	0.6°F	37th Warmest	Warmest since: 1938	2024

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Regional Rankings, published March 2025, retrieved on March 28, 2025 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/regional/rankings

Climate at a Glance Regional Rankings

Regional Rankings

Ohio Valley

December 1939 Average Temperature Rankings

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