Statewide Rankings

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Please note, Degree Days and Palmer Indices are not available for Alaska. Palmer Drought Severity Index (PDSI), Palmer Hydrological Drought Index (PHDI), and Palmer Modified Drought Index (PMDI) are not offered for multiple-month time scales.

Idaho

Average Temperature Rankings, December 1939

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Record Warmest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2022)	Warmest/Coolest Since	Record
December 1939 1-Month	31.8°F (-0.1°C)	23.9°F (-4.5°C)	7.9°F (4.4°C)	126th Coolest	Coolest since: 1938	1990
December 1939 1-Month	31.8°F (-0.1°C)	23.9°F (-4.5°C)	7.9°F (4.4°C)	3rd Warmest	Warmest since: 1933	1917
Nov–Dec 1939 2-Month	33.2°F (0.7°C)	27.8°F (-2.3°C)	5.4°F (3.0°C)	126th Coolest	Coolest since: 1938	1985
Nov–Dec 1939 2-Month	33.2°F (0.7°C)	27.8°F (-2.3°C)	5.4°F (3.0°C)	3rd Warmest	Warmest since: 1933	1917
Oct–Dec 1939 3-Month	37.0°F (2.8°C)	33.2°F (0.7°C)	3.8°F (2.1°C)	126th Coolest	Coolest since: 1938	1985
	37.0°F (2.8°C)	33.2°F (0.7°C)	3.8°F (2.1°C)	3rd Warmest	Warmest since: 1933	1917
	Ties: 1999
Sep–Dec 1939 4-Month	41.8°F (5.4°C)	38.6°F (3.7°C)	3.2°F (1.7°C)	125th Coolest	Coolest since: 1938	1985
Sep–Dec 1939 4-Month	41.8°F (5.4°C)	38.6°F (3.7°C)	3.2°F (1.7°C)	4th Warmest	Warmest since: 1937	1917
Aug–Dec 1939 5-Month	46.4°F (8.0°C)	43.6°F (6.4°C)	2.8°F (1.6°C)	127th Coolest	Coolest since: 1938	1985
Aug–Dec 1939 5-Month	46.4°F (8.0°C)	43.6°F (6.4°C)	2.8°F (1.6°C)	2nd Warmest	Warmest since: 1917	1917
Jul–Dec 1939 6-Month	49.7°F (9.8°C)	47.2°F (8.4°C)	2.5°F (1.4°C)	123rd Coolest	Coolest since: 1938	1985
	49.7°F (9.8°C)	47.2°F (8.4°C)	2.5°F (1.4°C)	6th Warmest	Warmest since: 1933	1917
	Ties: 1933
Jun–Dec 1939 7-Month	50.3°F (10.2°C)	48.5°F (9.2°C)	1.8°F (1.0°C)	116th Coolest	Coolest since: 1938	1985
	50.3°F (10.2°C)	48.5°F (9.2°C)	1.8°F (1.0°C)	13th Warmest	Warmest since: 1937	2021
	Ties: 1940, 1988, 2007
May–Dec 1939 8-Month	50.6°F (10.3°C)	48.6°F (9.2°C)	2.0°F (1.1°C)	118th Coolest	Coolest since: 1938	1916
May–Dec 1939 8-Month	50.6°F (10.3°C)	48.6°F (9.2°C)	2.0°F (1.1°C)	11th Warmest	Warmest since: 1937	2021
Apr–Dec 1939 9-Month	49.9°F (9.9°C)	47.8°F (8.8°C)	2.1°F (1.1°C)	123rd Coolest	Coolest since: 1938	1916
	49.9°F (9.9°C)	47.8°F (8.8°C)	2.1°F (1.1°C)	6th Warmest	Warmest since: 1934	2021
	Ties: 2014
Mar–Dec 1939 10-Month	48.3°F (9.1°C)	46.3°F (7.9°C)	2.0°F (1.2°C)	120th Coolest	Coolest since: 1938	1985
	48.3°F (9.1°C)	46.3°F (7.9°C)	2.0°F (1.2°C)	9th Warmest	Warmest since: 1934	1934
	Ties: 1910, 1987, 2001, 2016, 2017
Feb–Dec 1939 11-Month	45.7°F (7.6°C)	44.5°F (6.9°C)	1.2°F (0.7°C)	105th Coolest	Coolest since: 1938	1985
	45.7°F (7.6°C)	44.5°F (6.9°C)	1.2°F (0.7°C)	24th Warmest	Warmest since: 1934	1934
	Ties: 1910, 1981, 1986, 1994, 2006
Jan–Dec 1939 12-Month	44.1°F (6.7°C)	42.6°F (5.9°C)	1.5°F (0.8°C)	104th Coolest	Coolest since: 1938	1985
	44.1°F (6.7°C)	42.6°F (5.9°C)	1.5°F (0.8°C)	25th Warmest	Warmest since: 1934	1934
	Ties: 1925, 1986
Jul 1938–Dec 1939 18-Month	45.3°F (7.4°C)	44.1°F (6.7°C)	1.2°F (0.7°C)	103rd Coolest	Coolest since: 1937	1985
	45.3°F (7.4°C)	44.1°F (6.7°C)	1.2°F (0.7°C)	25th Warmest	Warmest since: 1938	1934
	Ties: 1941, 1953, 1958, 2020
Jan 1938–Dec 1939 24-Month	43.7°F (6.5°C)	42.6°F (5.9°C)	1.1°F (0.6°C)	99th Coolest	Coolest since: 1938	1985
	43.7°F (6.5°C)	42.6°F (5.9°C)	1.1°F (0.6°C)	29th Warmest	Warmest since: 1935	2015, 2016
	Ties: 1954, 2008, 2012, 2020
Jan 1937–Dec 1939 36-Month	43.2°F (6.2°C)	42.6°F (5.9°C)	0.6°F (0.3°C)	87th Coolest	Coolest since: 1938	1913
	43.2°F (6.2°C)	42.6°F (5.9°C)	0.6°F (0.3°C)	40th Warmest	Warmest since: 1936	2016
	Ties: 1963, 1967, 1991
Jan 1936–Dec 1939 48-Month	43.1°F (6.2°C)	42.6°F (5.9°C)	0.5°F (0.3°C)	84th Coolest	Coolest since: 1938	1985
	43.1°F (6.2°C)	42.6°F (5.9°C)	0.5°F (0.3°C)	42nd Warmest	Warmest since: 1937	2017
	Ties: 1927, 1981, 1988
Jan 1935–Dec 1939 60-Month	42.8°F (6.0°C)	42.6°F (5.9°C)	0.2°F (0.1°C)	73rd Coolest	Coolest since: 1933	1913, 1916
	42.8°F (6.0°C)	42.6°F (5.9°C)	0.2°F (0.1°C)	52nd Warmest	Warmest since: 1938	2016, 2018
	Ties: 1927, 1983

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Statewide Rankings, published May 2023, retrieved on June 5, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/statewide/rankings