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, January 1940

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Record Warmest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2022)	Warmest/Coolest Since	Record
January 1940 1-Month	16.4°F (-8.7°C)	13.8°F (-10.1°C)	2.6°F (1.4°C)	79th Coolest	Coolest since: 1937	1949
	16.4°F (-8.7°C)	13.8°F (-10.1°C)	2.6°F (1.4°C)	50th Warmest	Warmest since: 1939	1953
	Ties: 1911, 1976, 1997
Dec 1939–Jan 1940 2-Month	19.8°F (-6.8°C)	15.0°F (-9.4°C)	4.8°F (2.6°C)	117th Coolest	Coolest since: 1939	1949
	19.8°F (-6.8°C)	15.0°F (-9.4°C)	4.8°F (2.6°C)	11th Warmest	Warmest since: 1934	1934
	Ties: 1970, 2005, 2018
Nov 1939–Jan 1940 3-Month	20.2°F (-6.6°C)	17.6°F (-8.0°C)	2.6°F (1.4°C)	100th Coolest	Coolest since: 1939	1949
	20.2°F (-6.6°C)	17.6°F (-8.0°C)	2.6°F (1.4°C)	28th Warmest	Warmest since: 1938	1918
	Ties: 1921, 1927
Oct 1939–Jan 1940 4-Month	23.4°F (-4.8°C)	21.2°F (-6.0°C)	2.2°F (1.2°C)	107th Coolest	Coolest since: 1939	1949
	23.4°F (-4.8°C)	21.2°F (-6.0°C)	2.2°F (1.2°C)	21st Warmest	Warmest since: 1938	1934
	Ties: 1900, 1996, 1999
Sep 1939–Jan 1940 5-Month	26.9°F (-2.8°C)	25.0°F (-3.9°C)	1.9°F (1.1°C)	105th Coolest	Coolest since: 1939	1949
	26.9°F (-2.8°C)	25.0°F (-3.9°C)	1.9°F (1.1°C)	23rd Warmest	Warmest since: 1939	1918
	Ties: 1939, 1990, 2011
Aug 1939–Jan 1940 6-Month	30.3°F (-0.9°C)	28.7°F (-1.8°C)	1.6°F (0.9°C)	102nd Coolest	Coolest since: 1939	1949
	30.3°F (-0.9°C)	28.7°F (-1.8°C)	1.6°F (0.9°C)	26th Warmest	Warmest since: 1938	2015
	Ties: 1921, 2011, 2012, 2014
Jul 1939–Jan 1940 7-Month	33.1°F (0.6°C)	31.6°F (-0.2°C)	1.5°F (0.8°C)	103rd Coolest	Coolest since: 1939	1949
	33.1°F (0.6°C)	31.6°F (-0.2°C)	1.5°F (0.8°C)	25th Warmest	Warmest since: 1939	2015
	Ties: 1921, 1935, 1939, 1992, 2000
Jun 1939–Jan 1940 8-Month	34.1°F (1.2°C)	33.1°F (0.6°C)	1.0°F (0.6°C)	97th Coolest	Coolest since: 1937	1917, 1949
	34.1°F (1.2°C)	33.1°F (0.6°C)	1.0°F (0.6°C)	31st Warmest	Warmest since: 1939	2022
	Ties: 1921, 1964, 1974, 1992, 1995, 2011
May 1939–Jan 1940 9-Month	34.5°F (1.4°C)	33.4°F (0.8°C)	1.1°F (0.6°C)	98th Coolest	Coolest since: 1937	1917
May 1939–Jan 1940 9-Month	34.5°F (1.4°C)	33.4°F (0.8°C)	1.1°F (0.6°C)	30th Warmest	Warmest since: 1939	2022
Apr 1939–Jan 1940 10-Month	34.1°F (1.2°C)	33.0°F (0.6°C)	1.1°F (0.6°C)	97th Coolest	Coolest since: 1937	1917
	34.1°F (1.2°C)	33.0°F (0.6°C)	1.1°F (0.6°C)	31st Warmest	Warmest since: 1939	2015, 2016, 2022
	Ties: 1927, 2008
Mar 1939–Jan 1940 11-Month	33.0°F (0.6°C)	32.0°F (0.0°C)	1.0°F (0.6°C)	93rd Coolest	Coolest since: 1937	1949
	33.0°F (0.6°C)	32.0°F (0.0°C)	1.0°F (0.6°C)	35th Warmest	Warmest since: 1939	2016
	Ties: 1964, 1967, 1988
Feb 1939–Jan 1940 12-Month	31.2°F (-0.4°C)	30.8°F (-0.7°C)	0.4°F (0.3°C)	71st Coolest	Coolest since: 1937	1930
	31.2°F (-0.4°C)	30.8°F (-0.7°C)	0.4°F (0.3°C)	57th Warmest	Warmest since: 1939	2016
	Ties: 1951, 1958, 1968, 1980
Aug 1938–Jan 1940 18-Month	30.9°F (-0.6°C)	30.1°F (-1.1°C)	0.8°F (0.5°C)	89th Coolest	Coolest since: 1938	1930
	30.9°F (-0.6°C)	30.1°F (-1.1°C)	0.8°F (0.5°C)	38th Warmest	Warmest since: 1939	2016
	Ties: 1967, 1988, 1995, 2002
Feb 1938–Jan 1940 24-Month	31.7°F (-0.2°C)	30.8°F (-0.7°C)	0.9°F (0.5°C)	94th Coolest	Coolest since: 1938	1930
	31.7°F (-0.2°C)	30.8°F (-0.7°C)	0.9°F (0.5°C)	33rd Warmest	Warmest since: 1939	2016
	Ties: 1990
Feb 1937–Jan 1940 36-Month	31.6°F (-0.2°C)	30.8°F (-0.7°C)	0.8°F (0.5°C)	94th Coolest	Coolest since: 1939	1931
	31.6°F (-0.2°C)	30.8°F (-0.7°C)	0.8°F (0.5°C)	32nd Warmest	Warmest since: 1928	2018
	Ties: 1994, 1995, 2013
Feb 1936–Jan 1940 48-Month	30.9°F (-0.6°C)	30.7°F (-0.7°C)	0.2°F (0.1°C)	67th Coolest	Coolest since: 1939	1932, 1933
	30.9°F (-0.6°C)	30.7°F (-0.7°C)	0.2°F (0.1°C)	58th Warmest	Warmest since: 1938	2018
	Ties: 1903, 1909, 1935, 1936, 1938, 1948, 1972, 1976
Feb 1935–Jan 1940 60-Month	30.7°F (-0.7°C)	30.8°F (-0.7°C)	-0.1°F (0.0°C)	44th Coolest	Coolest since: 1937	1933
	30.7°F (-0.7°C)	30.8°F (-0.7°C)	-0.1°F (0.0°C)	80th Warmest	Warmest since: 1939	2018, 2019
	Ties: 1901, 1902, 1903, 1908, 1912, 1930, 1948, 1961, 1988

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Statewide Rankings, published January 2023, retrieved on February 8, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/statewide/rankings