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

Minimum 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	23.2°F (-4.9°C)	16.2°F (-8.8°C)	7.0°F (3.9°C)	123rd Coolest	Coolest since: 1938	1990
December 1939 1-Month	23.2°F (-4.9°C)	16.2°F (-8.8°C)	7.0°F (3.9°C)	6th Warmest	Warmest since: 1933	1917
Nov–Dec 1939 2-Month	22.1°F (-5.5°C)	19.5°F (-6.9°C)	2.6°F (1.4°C)	102nd Coolest	Coolest since: 1938	1985
Nov–Dec 1939 2-Month	22.1°F (-5.5°C)	19.5°F (-6.9°C)	2.6°F (1.4°C)	27th Warmest	Warmest since: 1937	1917
Oct–Dec 1939 3-Month	25.7°F (-3.5°C)	23.6°F (-4.7°C)	2.1°F (1.2°C)	109th Coolest	Coolest since: 1938	1985
	25.7°F (-3.5°C)	23.6°F (-4.7°C)	2.1°F (1.2°C)	20th Warmest	Warmest since: 1937	1950
	Ties: 1907, 1941, 1958, 1995
Sep–Dec 1939 4-Month	29.5°F (-1.4°C)	27.7°F (-2.4°C)	1.8°F (1.0°C)	105th Coolest	Coolest since: 1938	1985
	29.5°F (-1.4°C)	27.7°F (-2.4°C)	1.8°F (1.0°C)	24th Warmest	Warmest since: 1937	1950
	Ties: 1980
Aug–Dec 1939 5-Month	33.1°F (0.6°C)	31.7°F (-0.2°C)	1.4°F (0.8°C)	103rd Coolest	Coolest since: 1938	1985
	33.1°F (0.6°C)	31.7°F (-0.2°C)	1.4°F (0.8°C)	26th Warmest	Warmest since: 1937	2014
	Ties: 1941, 1962, 1977, 2010, 2016, 2022
Jul–Dec 1939 6-Month	35.9°F (2.2°C)	34.6°F (1.4°C)	1.3°F (0.8°C)	103rd Coolest	Coolest since: 1938	1985
Jul–Dec 1939 6-Month	35.9°F (2.2°C)	34.6°F (1.4°C)	1.3°F (0.8°C)	26th Warmest	Warmest since: 1937	2021
Jun–Dec 1939 7-Month	36.6°F (2.6°C)	35.8°F (2.1°C)	0.8°F (0.5°C)	89th Coolest	Coolest since: 1936	1916
	36.6°F (2.6°C)	35.8°F (2.1°C)	0.8°F (0.5°C)	40th Warmest	Warmest since: 1938	2021
	Ties: 1966
May–Dec 1939 8-Month	36.8°F (2.7°C)	35.9°F (2.2°C)	0.9°F (0.5°C)	95th Coolest	Coolest since: 1938	1916
	36.8°F (2.7°C)	35.9°F (2.2°C)	0.9°F (0.5°C)	34th Warmest	Warmest since: 1938	2021
	Ties: 1906, 1938
Apr–Dec 1939 9-Month	36.1°F (2.3°C)	35.2°F (1.8°C)	0.9°F (0.5°C)	102nd Coolest	Coolest since: 1938	1916
	36.1°F (2.3°C)	35.2°F (1.8°C)	0.9°F (0.5°C)	27th Warmest	Warmest since: 1937	2021
	Ties: 1910, 1926, 1989, 1994, 2019
Mar–Dec 1939 10-Month	34.7°F (1.5°C)	33.9°F (1.1°C)	0.8°F (0.4°C)	92nd Coolest	Coolest since: 1936	1916
	34.7°F (1.5°C)	33.9°F (1.1°C)	0.8°F (0.4°C)	37th Warmest	Warmest since: 1938	2015
	Ties: 1977, 1997
Feb–Dec 1939 11-Month	32.5°F (0.3°C)	32.3°F (0.2°C)	0.2°F (0.1°C)	59th Coolest	Coolest since: 1936	1985
	32.5°F (0.3°C)	32.3°F (0.2°C)	0.2°F (0.1°C)	70th Warmest	Warmest since: 1938	2015
	Ties: 1897, 1918, 1990, 1999
Jan–Dec 1939 12-Month	31.3°F (-0.4°C)	30.8°F (-0.7°C)	0.5°F (0.3°C)	74th Coolest	Coolest since: 1937	1985
	31.3°F (-0.4°C)	30.8°F (-0.7°C)	0.5°F (0.3°C)	55th Warmest	Warmest since: 1938	1934, 2015
	Ties: 1927
Jul 1938–Dec 1939 18-Month	32.8°F (0.4°C)	32.1°F (0.1°C)	0.7°F (0.3°C)	90th Coolest	Coolest since: 1937	1985
	32.8°F (0.4°C)	32.1°F (0.1°C)	0.7°F (0.3°C)	38th Warmest	Warmest since: 1938	2015
	Ties: 1900, 1947, 1987, 1990, 1996, 2001, 2002
Jan 1938–Dec 1939 24-Month	31.7°F (-0.2°C)	30.8°F (-0.7°C)	0.9°F (0.5°C)	96th Coolest	Coolest since: 1938	1985
	31.7°F (-0.2°C)	30.8°F (-0.7°C)	0.9°F (0.5°C)	32nd Warmest	Warmest since: 1935	2015, 2016
	Ties: 1901, 1927, 1959
Jan 1937–Dec 1939 36-Month	31.1°F (-0.5°C)	30.8°F (-0.7°C)	0.3°F (0.2°C)	71st Coolest	Coolest since: 1938	1930, 1931
	31.1°F (-0.5°C)	30.8°F (-0.7°C)	0.3°F (0.2°C)	56th Warmest	Warmest since: 1936	2016
	Ties: 1934, 1980, 2010
Jan 1936–Dec 1939 48-Month	30.9°F (-0.6°C)	30.8°F (-0.7°C)	0.1°F (0.1°C)	63rd Coolest	Coolest since: 1938	1932
	30.9°F (-0.6°C)	30.8°F (-0.7°C)	0.1°F (0.1°C)	63rd Warmest	Warmest since: 1937	2017
	Ties: 1902, 1908, 1934, 1959, 1964, 1973, 1974, 1975
Jan 1935–Dec 1939 60-Month	30.6°F (-0.8°C)	30.8°F (-0.7°C)	-0.2°F (-0.1°C)	36th Coolest	Coolest since: 1935	1932, 1933
	30.6°F (-0.8°C)	30.8°F (-0.7°C)	-0.2°F (-0.1°C)	89th Warmest	Warmest since: 1938	2018
	Ties: 1903, 1921, 1925, 1934, 1935, 1945, 1948

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Statewide Rankings, published January 2023, retrieved on February 7, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/statewide/rankings